Diagrama Interno Volkwagen Suran 2012
Wiring Diagram VW SURAN 2012 - Battery - Starter - Alternator - Voltage regulator
| A | Battery |
| B | Starter |
| C | Alternator |
| C1 | Voltage regulator |
 ">J623 | "> Engine control unit |
| S162 | Fuse 1 (30), in battery fuse holder |
| S163 | Fuse 2 (30), in battery fuse holder |
| T1j | Single connector |
| T2ak | 2-pin connector |
| T2ar | 2-pin connector |
 "> 1 | "> Earth strap, battery - body |
| "> 49 | "> Earth point, near ..., near battery |
| 507 | Threaded connection (30), on battery fuse holder |
Wiring Diagram VW SURAN 2012 - Ignition/starter switch
| D | Ignition/starter switch |
| SC2 | Fuse 2 on fuse holder C |
| T8a | 8-pin connector |
| B272 | Positive connection (30), in main wiring harness |
| B298 | Positive connection 2 (30), in main wiring harness |
| B346 | Connection 1 (75), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Light switch - Turn signal switch - Headlight dipper and flasher switch - Parking light switch - Horn plate - Horn activation contact ring
| E1 | Light switch |
| E2 | Turn signal switch |
| E4 | Headlight dipper and flasher switch |
| E19 | Parking light switch |
| H | Horn plate |
| H1 | Horn or dual tone horn |
| H23 | Horn activation contact ring |
| T1gh | Single connector |
| T1h | Single connector |
| T2z | 2-pin connector |
| T12a | 12-pin connector |
| "> 678 | "> Earth point, on steering wheel |
| B300 | Positive connection 4 (30), in main wiring harness |
| B727 | Connection (71a), in main wiring harness |
| * | Only models with multifunction steering wheel |
| *2 | Only CROSS models |
| *3 | From October 2011 |
Wiring Diagram VW SURAN 2012 - Headlight main beam relay - Dipped beam relay
| ">J12 | "> Headlight main beam relay |
| J331 | Dipped beam relay |
| T9a | 9-pin connector |
| T9b | 9-pin connector |
| T10i | 10-pin connector |
| 366 | Earth connection 1, in main wiring harness |
| "> 606 | "> Earth point, under the centre console near gear stick |
| B644 | Connection 3 (56a), in main wiring harness |
| * | From October 2011 |
| *2 | Only CROSS models |
Wiring Diagram VW SURAN 2012 - Hazard warning light switch - Hazard warning light relay - Indicator lamp for hazard warning light
| E3 | Hazard warning light switch |
| J2 | Hazard warning light relay |
| K6 | Indicator lamp for hazard warning light |
| T8e | 8-pin connector |
| T9l | 9-pin connector |
| T16a | 16-pin connector |
| 368 | Earth connection 3, in main wiring harness |
| "> 606 | "> Earth point, under the centre console near gear stick |
| B316 | Positive connection 2 (30a) in main wiring harness |
| B728 | Connection (49a), in main wiring harness |
| * | Diagnostic connection |
Wiring Diagram VW SURAN 2012 - X-contact relief relay - Left side light bulb - Right side light bulb - Front left turn signal bulb - Front right turn signal bulb - Left headlight dipped beam bulb - Left headlight main beam bulb - Right headlight dipped beam bulb - Right headlight main beam bulb
| ">J59 | "> X-contact relief relay |
| M1 | Left side light bulb |
| M3 | Right side light bulb |
| M5 | Front left turn signal bulb |
| M7 | Front right turn signal bulb |
| M29 | Left headlight dipped beam bulb |
| M30 | Left headlight main beam bulb |
| M31 | Right headlight dipped beam bulb |
| M32 | Right headlight main beam bulb |
| T6d | 6-pin connector |
| T10a | 10-pin connector |
| T10b | 10-pin connector |
| "> 12 | "> Earth point, on left in engine compartment |
| 369 | Earth connection 4, in main wiring harness |
| B275 | Positive connection (87), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Right tail light bulb - Left tail light bulb - Rear left turn signal bulb - Rear right turn signal bulb - Left brake light bulb - Right brake light bulb - Left reversing light bulb - Right reversing light bulb
| M2 | Right tail light bulb |
| M4 | Left tail light bulb |
| M6 | Rear left turn signal bulb |
| M8 | Rear right turn signal bulb |
| M9 | Left brake light bulb |
| M10 | Right brake light bulb |
| M16 | Left reversing light bulb |
| M17 | Right reversing light bulb |
| T5p | 5-pin connector |
| T5q | 5-pin connector |
| "> 21 | "> Earth point, near fuel pump |
| "> 50 | "> Earth point, on left in luggage compartment |
| 372 | Earth connection 7, in main wiring harness |
| B335 | Connection 1 (54), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Brake light switch - Reversing light switch - Brake pedal switch - Additional brake light bulb
| F | Brake light switch |
| F4 | Reversing light switch |
| F47 | Brake pedal switch |
| ">J623 | "> Engine control unit |
| M25 | Additional brake light bulb |
| SB25 | Fuse 25 on fuse holder B |
| SB37 | Fuse 37 on fuse holder B |
| SB38 | Fuse 38 on fuse holder B |
| T2al | 2-pin connector |
| T2du | 2-pin connector |
| T4m | 4-pin connector |
| T5b | 5-pin connector |
| "> 50 | "> Earth point, on left in luggage compartment |
| 98 | Earth connection, in rear lid wiring harness |
| B273 | Positive connection (15), in main wiring harness |
| B277 | Positive connection 1 (15a) in main wiring harness |
| B335 | Connection 1 (54), in main wiring harness |
| B336 | Connection 2 (54), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Fuse 31 on fuse holder B - Fuse 35 on fuse holder B - Fuse 36 on fuse holder B - Fuse 40 on fuse holder B - Fuse 46 on fuse holder B - Fuse 47 on fuse holder B
| SB31 | Fuse 31 on fuse holder B |
| SB35 | Fuse 35 on fuse holder B |
| SB36 | Fuse 36 on fuse holder B |
| SB40 | Fuse 40 on fuse holder B |
| SB46 | Fuse 46 on fuse holder B |
| SB47 | Fuse 47 on fuse holder B |
| B273 | Positive connection (15), in main wiring harness |
| B456 | Connection (56b), in main wiring harness |
| B543 | Positive connection (58R), in main wiring harness |
| B629 | Connection (56a), in main wiring harness |
| B642 | Positive connection (58), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Speedometer - Control unit in dash panel insert - Dash panel insert - Main beam warning lamp
| G21 | Speedometer |
| ">J285 | "> Control unit in dash panel insert |
| K | Dash panel insert |
| K1 | Main beam warning lamp |
| SB43 | Fuse 43 on fuse holder B |
| SB48 | Fuse 48 on fuse holder B |
| T3c | 3-pin connector |
| T32a | 32-pin connector |
| U5 | 12 V socket |
| B274 | Positive connection (58L), in main wiring harness |
| B642 | Positive connection (58), in main wiring harness |
| B643 | Connection 2 (56a), in main wiring harness |
| B726 | Positive connection 2 (58), in main wiring harness |
Wiring Diagram VW SURAN 2012 - Rev. counter - Control unit in dash panel insert - Dash panel insert - Alternator warning lamp - Left turn signal warning lamp - Right turn signal warning lamp
| G5 | Rev. counter |
| ">J285 | "> Control unit in dash panel insert |
| K | Dash panel insert |
| K2 | Alternator warning lamp |
| K65 | Left turn signal warning lamp |
| K94 | Right turn signal warning lamp |
| T32a | 32-pin connector |
| B630 | Positive connection (left turn signal bulb), in main wiring harness |
| B631 | Positive connection (right turn signal bulb), in main wiring harness |
VW SURAN 2012 ABS control unit J104
| 1 - | ABS control unit -J104- |
| A - | 38-pin connector, in the ABS control unit -T38a- |
Connector description: ABS control unit -J104-
| T38a | - | Function |
| 1 | - | Fuse 5 (30) of the battery fuse holder -S177- |
| 2 | - | -- |
| 3 | - | -- |
| 4 | - | Front right wheel rotation sensor -G45- |
| 5 | - | -- |
| 6 | - | -- |
| 7 | - | -- |
| 8 | - | Front left wheel rotation sensor -G47- |
| 9 | - | -- |
| 10 | - | -- |
| 11 | - | -- |
| 12 | - | -- |
| 13 | - | Terminal 31 |
| 14 | - | CAN-Bus, Low |
| 15 | - | -- |
| 16 | - | Front right wheel rotation sensor -G45- |
| 17 | - | Rear right wheel rotation sensor -G44- |
| 18 | - | Rear left wheel rotation sensor -G46- |
| 19 | - | Front left wheel rotation sensor -G47- |
| 20 | - | -- |
| 21 | - | -- |
| 22 | - | -- |
| 23 | - | -- |
| 24 | - | -- |
| 25 | - | Fuse 12 (30) of the battery fuse holder -S270- |
| 26 | - | CAN-Bus, High |
| 27 | - | -- |
| 28 | - | Fuse 24 of fuse holder A -SA24- |
| 29 | - | Rear right wheel rotation sensor -G44- |
| 30 | - | Brake pedal switch -F47- , Brake light switch -F- , Engine control unit -J623- |
| 31 | - | Rear left wheel rotation sensor -G46- |
| 32 | - | -- |
| 33 | - | -- |
| 34 | - | -- |
| 35 | - | -- |
| 36 | - | -- |
| 37 | - | -- |
| 38 | - | Terminal 31 |
Automatic gearbox control unit -J217-
| 1 - | Automatic gearbox control unit -J217- |
| A - | 80-pin connector, in the automatic gearbox control unit -T80b- |
Connector Description: Automatic gearbox control unit -J217-
| T80b | - | Function |
| 1 | - | Terminal 31 |
| 2 | - | Terminal 31, Electrovalves |
| 3 | - | -- |
| 4 | - | -- |
| 5 | - | -- |
| 6 | - | -- |
| 7 | - | -- |
| 8 | - | -- |
| 9 | - | -- |
| 10 | - | -- |
| 11 | - | -- |
| 12 | - | Gear identification sensor -G604- |
| 13 | - | Gear identification sensor -G604- |
| 14 | - | -- |
| 15 | - | -- |
| 16 | - | -- |
| 17 | - | -- |
| 18 | - | -- |
| 19 | - | -- |
| 20 | - | -- |
| 21 | - | -- |
| 22 | - | -- |
| 23 | - | -- |
| 24 | - | Gear identification sensor -G604- |
| 25 | - | Gear identification sensor -G604- |
| 26 | - | -- |
| 27 | - | Fuse 8 (30) of the battery fuse holder -S180- |
| 28 | - | Fuse 9 of fuse holder A -SA9- |
| 29 | - | Gear selection valve 3 -N286- |
| 30 | - | -- |
| 31 | - | Gearbox hydraulic pump relay -J510- |
| 32 | - | Gear selection valve 1 -N284- |
| 33 | - | CAN-Bus, Low |
| 34 | - | Gear identification sensor 2 -G616- |
| 35 | - | Gear identification sensor 2 -G616- |
| 36 | - | -- |
| 37 | - | -- |
| 38 | - | Gearbox intake rotation sensor -G182- |
| 39 | - | -- |
| 40 | - | Gearbox hydraulic pressure sensor -G270- |
| 41 | - | -- |
| 42 | - | Engine control unit -J623- |
| 43 | - | Clutch actuator valve -N255- |
| 44 | - | Gear selection valve 2 -N285- |
| 45 | - | CAN-Bus, High |
| 46 | - | Gear identification sensor 2 -G616- |
| 47 | - | Gear identification sensor 2 -G616- |
| 48 | - | -- |
| 49 | - | Diagnosis terminal - K |
| 50 | - | Gearbox intake rotation sensor -G182- |
| 51 | - | -- |
| 52 | - | Clutch position sensor -G476- |
| 53 | - | -- |
| 54 | - | -- |
| 55 | - | -- |
| 56 | - | -- |
| 57 | - | -- |
| 58 | - | -- |
| 59 | - | Gearbox hydraulic pressure sensor -G270- |
| 60 | - | -- |
| 61 | - | Clutch position sensor -G476- |
| 62 | - | Handbrake control switch -F9- , Instrument cluster -K- |
| 63 | - | -- |
| 64 | - | -- |
| 65 | - | Clutch position sensor -G476- |
| 66 | - | -- |
| 67 | - | -- |
| 68 | - | -- |
| 69 | - | Onboard network control unit -J519- |
| 70 | - | -- |
| 71 | - | -- |
| 72 | - | -- |
| 73 | - | Clutch position sensor -G476- |
| 74 | - | -- |
| 75 | - | -- |
| 76 | - | Terminal 50, Onboard network control unit -J519- |
| 77 | - | -- |
| 78 | - | -- |
| 79 | - | Gearbox hydraulic pressure sensor -G270- |
| 80 | - | -- |
Engine control unit -J623-
| 1 - | Engine control unit -J623- |
| A - | 56-pin connector -T56a- |
| B - | 56-pin connector -T56b- |
Heating system control unit -J65-
| 1 - | Heating system control unit -J65- |
| A - | 11-pin connector -T11a- |
Connector description: Heating system control unit -J65-
| T11a | - | Function |
| 1 | - | Fuel preheating resistance -Z66- |
| 2 | - | Fuel preheating resistance 2 -Z108- |
| 3 | - | Fuel preheating resistance 3 -Z109- |
| 4 | - | -- |
| 5 | - | -- |
| 6 | - | Spark plugs relay -J52- |
| 7 | - | -- |
| 8 | - | -- |
| 9 | - | -- |
| 10 | - | Engine control unit -J623- |
| 11 | - | Spark plugs relay -J52- |
VW SURAN 2012 Engine compartment earth points
Engine compartment earth points
| 1 | Ground cable, battery-body |
| 11 | Battery housing earth points |
| 12 | Engine comp. left earth points |
| 13 | Engine comp. right earth points |
| 49 | Earth points, next to the battery |
| 55 | Earth points next to the ABS control unit |
| 671 | Earth point 1 on the front left side member |
Vehicle interior earth points
| 21 | Earth points next to the fuel pump |
| 50 | Left boot earth points |
| 605 | Earth point on the upper steering column region |
| 606 | Earth point under the central console, next to the selector lever |
| 678 | Steering wheel earth point |
VW SURAN 2012 Relay to the right of the dashboard, behind the glove compartment
Relay to the right of the dashboard, behind the glove compartment
Relay descriptions, as of April 2013:
| 17 - | Starter relay 2 -J695- |
Relay to the left, behind the dashboard
Relay descriptions, as of April 2013:
| 1a - | Air conditioning system cut-off relay -J365- |
| 1b - | Relief relay 2 of contact X -J339- |
| 3 - | External side mirror folding control unit -J351- |
| 4 - | External side mirror folding control unit -J351- |
| 5 - | Voltage input relay 1 -J701- |
| 6a - | Alarm horn relay -J641- |
| 6b - | Relay 2 for long-range headlights -J1062- |
| 7 - | Gearbox hydraulic pump relay -J510- |
| 8 - | Relief relay for contact X -J59- |
| 9 - | Radiator fan and natural air fan relay -J209- |
| 10 - | Radiator fan's 2nd speed relay -J101- |
| 11 - | Fuel pump relay -J17- |
| 12a - | Cold start device relay -J41- |
| 12b - | Fog lights relay -J5- |
| 13 - | Relief relay of terminal 15 -J404- |
| 14b - | Headlights relay -J12- |
VW SURAN 2012 Relay to the left, behind the dashboard
Relay to the left, behind the dashboard
Description of relays from January 2011 until April 2012:
| 1a - | Air conditioning system cut-off relay -J365- |
| 1b - | Relief relay 2 of contact X -J339- |
| 3 - | External side mirror folding control unit -J351- |
| 4 - | External side mirror folding control unit -J351- |
| - | Fog lights relay -J5-1) |
| 6 - | Rear window heating system regulator relay -J48- |
| 7 - | Gearbox hydraulic pump relay -J510-2) |
| 8 - | Relief relay for contact X -J59- |
| 9 - | Radiator fan and natural air fan relay -J209- |
| 10 - | Radiator fan's 2nd speed relay -J101- |
| 11 - | Fuel pump relay -J17- |
| 12a - | Double horn relay -J4- |
| 12b - | Cold start device relay -J41- |
| 13 - | Starter relay 2 -J695- |
| 14a - | Low beam relay -J331- |
| 14b - | Headlight relay -J12- |
| 15 - | Automatic intermittent wiper and washer system relay -J31- |
| Note
|
Description of relays from January 2011 until April 2012:
| 1a - | Air conditioning system cut-off relay -J365- |
| 1b - | Relief relay 2 of contact X -J339- |
| 3 - | External side mirror folding control unit -J351- |
| 4 - | External side mirror folding control unit -J351- |
| - | Fog lights relay -J5-1) |
| 6 - | Rear window heating system regulator relay -J48- |
| 7 - | Gearbox hydraulic pump relay -J510-2) |
| 8 - | Relief relay for contact X -J59- |
| 9 - | Radiator fan and natural air fan relay -J209- |
| 10 - | Radiator fan's 2nd speed relay -J101- |
| 11 - | Fuel pump relay -J17- |
| 12a - | Double horn relay -J4- |
| 12b - | Cold start device relay -J41- |
| 13 - | Starter relay 2 -J695- |
| 14 - | Automatic intermittent wiper and washer system control unit -J932- |
| 15 - | Automatic intermittent wiper and washer system control unit -J932- |
| Note
|
Relay to the left, behind the dashboard
Relay descriptions, as of April 2012:
| 1a - | Air conditioning system cut-off relay -J365- |
| 1b - | Relief relay 2 of contact X -J339- |
| 3 - | External side mirror folding control unit -J351- |
| 4 - | External side mirror folding control unit -J351- |
| - | Fog lights relay -J5-1) |
| 6 - | Rear window heating system regulator relay -J48- |
| 7 - | Gearbox hydraulic pump relay -J510- |
| 8 - | Relief relay for contact X -J59- |
| 9 - | Radiator fan and natural air fan relay -J209- |
| 10 - | Radiator fan's 2nd speed relay -J101- |
| 11 - | Fuel pump relay -J17- |
| 12a - | Double horn relay -J4- |
| 12b - | Cold start device relay -J41- |
| 13 - | Relief relay of terminal 15 -J404- |
| 14a - | Low beam relay -J331- |
| 14b - | Headlight relay -J12- |
| 15 - | Automatic intermittent wiper and washer system relay -J31- |
| Note 1) Only for CROSS vehicles |
Relay descriptions, as of April 2012:
| 1a - | Air conditioning system cut-off relay -J365- |
| 1b - | Relief relay 2 of contact X -J339- |
| 3 - | External side mirror folding control unit -J351- |
| 4 - | External side mirror folding control unit -J351- |
| - | Fog lights relay -J5-1) |
| 6 - | Rear window heating system regulator relay -J48- |
| 7 - | Gearbox hydraulic pump relay -J510- |
| 8 - | Relief relay for contact X -J59- |
| 9 - | Radiator fan and natural air fan relay -J209- |
| 10 - | Radiator fan's 2nd speed relay -J101- |
| 11 - | Fuel pump relay -J17- |
| 12a - | Double horn relay -J4- |
| 12b - | Cold start device relay -J41- |
| 13 - | Relief relay of terminal 15 -J404- |
| 14 - | Automatic intermittent wiper and washer system control unit -J932- |
| 15 - | Automatic intermittent wiper and washer system control unit -J932- |
| Note 1) Only for CROSS vehicles |
Relay over the relay-holder
| A - | Warning light relay -J2- |
Relay to the right of the dashboard, behind the glove compartment
| 16 - | Starter relay -J53-2) |
| 17 - | Starter relay 2 -J695-1) |
| 18 - | Gearbox hydraulic pump relay -J510-2) |
| Note
|
VW SURAN 2012 Onboard network control unit: BFM J519
Onboard network control unit: BFM -J519-
| 1 - | Onboard network control unit -J519- |
| A - | 73-pole fitting connector in the onboard control unit -T73a- |
Connector description: Onboard network control unit: BFM -J519-
| T73a | - | Function |
| 1 | - | Windscreen wiper motor -V- |
| 2 | - | Windscreen wiper motor -V- |
| 3 | - | Terminal 31 |
| 4 | - | Front interior light -W1- |
| 5 | - | -- |
| 6 | - | -- |
| 7 | - | -- |
| 8 | - | -- |
| 9 | - | Terminal 30, Fuse 40 in fuse holder B -SB40- |
| 10 | - | Rear tailgate unlocking motor -V139- , Central control unit for window control -J1015- |
| 11 | - | Terminal 31 |
| 12 | - | Terminal 30, Fuse 16 in fuse holder A -SA16- |
| 13 | - | -- |
| 14 | - | Terminal 31 |
| 15 | - | Rear right central locking system motor -V308- , Driver door central locking system motor -V302- , Rear left central locking system motor -V307- |
| 16 | - | Passenger door central locking system motor -V303- , Rear right central locking system motor -V308- |
| 17 | - | -- |
| 18 | - | -- |
| 19 | - | -- |
| 20 | - | Central control unit for window control -J1015- , Alarm system ultrasound sensor -G209- , Rear window wiper motor -E34- |
| 21 | - | Rear window heating system switch -E230- |
| 22 | - | -- |
| 23 | - | -- |
| 24 | - | Alarm horn relay -J641- |
| 25 | - | Warning light switch -E3- |
| 26 | - | Instrument cluster -K- |
| 27 | - | Diagnosis terminal - CAN High |
| 28 | - | Diagnosis terminal - CAN Low |
| 29 | - | CAN-Bus, High |
| 30 | - | CAN-Bus, Low |
| 31 | - | Front lid / engine lid contact switch for the alarm system -F120- |
| 32 | - | Int. locking switch, driver side -E150- |
| 33 | - | Alarm system ultrasound sensor -G209- |
| 34 | - | Rear tailgate unlocking switch -E165- |
| 35 | - | Driver door central locking system motor -V302- |
| 36 | - | Driver door central locking system motor -V302- |
| 37 | - | Central control unit for window control -J1015- , Rear tailgate unlocking motor -V139- |
| 38 | - | Terminal 31 |
| 39 | - | -- |
| 40 | - | -- |
| 41 | - | -- |
| 42 | - | Terminal 30, Fuse 9 (30) of the battery fuse holder -S267- |
| 43 | - | Terminal31 |
| 44 | - | Windscreen wiper motor -V- |
| 45 | - | Engine control unit -J623- , Brake pedal switch -F47- |
| 46 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 47 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 48 | - | External side mirror folding control unit -J351- , Reverse gear light switch -F4- |
| 49 | - | Instrument cluster -K- |
| 50 | - | Generator (Alternator) -C- , Voltage regulator -C1- |
| 51 | Terminal 15, Fuse 38 in fuse holder B -SB38- , Relief relay of terminal 15 -J404- | |
| 52 | - | Terminal 50, Automatic gearbox control unit -J217- |
| 53 | - | Terminal S, Fuse 2 in fuse holder A -SA2- |
| 54 | - | Rear window wiper motor -V12- , Rear window and windscreen washer pump -V59- |
| 55 | - | Rear window heating system switch -E230- |
| 56 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 57 | - | Turn light/flashing light switch -E2- |
| 58 | - | Turn light/flashing light switch -E2- |
| 59 | - | Contact of the airbag coil and return spring with slip ring -F138- |
| 60 | - | Warning light switch -E3- |
| 61 | - | Driver door contact switch -F2- |
| 62 | - | Passenger door contact switch -F3- , Rear left door contact switch -F10- , Rear right door contact switch -F11- |
| 63 | - | Terminal 30, Fuse 29 in fuse holder B -SB29- |
| 64 | - | Front right turn signal lamp -M7- |
| 65 | - | Fuse 25 in fuse holder B -SB25- |
| 66 | - | Front left turn signal lamp -M5- |
| 67 | - | Horn and double horn -H1- |
| 68 | - | Fuse 41 in fuse holder B -SB41- |
| 69 | - | Left brake light lamp -M9- , Right brake light lamp -M10- |
| 70 | - | -- |
| 71 | - | -- |
| 72 | - | Rear window defogger -Z1- |
| 73 | - | Fuse 6 of fuse holder A -SA6- |
Onboard network control unit: BCM -J519-
| 1 - | Onboard network control unit -J519- |
| A - | 73-pole fitting connector in the onboard control unit -T73b- |
| B - | 73-pole fitting connector in the onboard control unit -T73c- |
Connector description: Onboard network control unit: BCM -J519-
| T73b | - | Function | - | T73c | - | Function |
| 1 | - | Headlights relay -J12- | - | 1 | - | -- |
| 2 | - | Left low beam lamp -M29- , Sealed left headlight double-filament lamp -L1- | - | 2 | - | Sealed right headlight double-filament lamp -L2- , Right low beam lamp -M31- |
| 3 | - | -- | - | 3 | - | -- |
| 4 | - | Internal lighting, Front internal light -W1- | - | 4 | - | Instrument cluster -K- |
| 5 | - | -- | - | 5 | - | -- |
| 6 | - | Fog light lamp -L20- , Fog lights switch -E23- , Instrument cluster -K- | - | 6 | - | -- |
| 7 | - | Fog lights switch -E23- | - | 7 | - | License plate light -X- |
| 8 | - | -- | - | 8 | - | -- |
| 9 | - | -- | - | 9 | - | Left fog light and long-range headlight lamp -M94- , Right fog light lamp -L23- |
| 10 | - | Rear tailgate unlocking motor -V139- , Central control unit for window control -J1015- , Spare wheel unlocking motor -V340- | - | 10 | - | Right fog light and long-range headlight lamp -M95- , Left fog light lamp -L22- |
| 11 | - | Passenger door central locking system motor -V303- , Driver door central locking system motor -V302- , Rear left central locking system motor -V307- , Rear right central locking system motor -V308- | - | 11 | - | Terminal 30, Fuse 1 in fuse holder A -SA1- |
| 12 | - | Driver door central locking system motor -V302- | - | 12 | - | -- |
| 13 | - | -- | - | 13 | - | Terminal 30, Fuse 25 in fuse holder B -SB25- |
| 14 | - | Terminal 31 | - | 14 | - | Front left turn signal lamp -M5- , Rear left turn signal lamp -M6- |
| 15 | - | Passenger door central locking system motor -V303- , Driver door central locking system motor -V302- , Rear left central locking system motor -V307- , Rear right central locking system motor -V308- | - | 15 | - | Front right turn signal lamp -M7- , Rear right turn signal lamp -M8- |
| 16 | - | Terminal 30, Fuse 16 in fuse holder A -SA16- | - | 16 | - | Left brake light lamp -M9- , Right brake light lamp -M10- , Automatic gearbox control unit -J217- |
| 17 | - | Driver door central locking system motor -V302- | - | 17 | - | Central control unit for window control -J1015- , Alarm system ultrasound sensor -G209- , Rear window wiper motor -E34- |
| 18 | - | Driver door central locking system motor -V302- | - | 18 | - | CAN-Bus, Low |
| 19 | - | Driver door contact switch -F2- | - | 19 | - | CAN-Bus, High |
| 20 | - | Passenger door contact switch -F3- | - | 20 | - | Radio -R- |
| 21 | - | Driver door central locking system motor -V302- | - | 21 | - | Radio -R- |
| 22 | - | Driver door central locking system motor -V302- | - | 22 | - | Diagnosis terminal, CAN-Low |
| 23 | - | Rear tailgate unlocking switch -E165- , Spare wheel unlocking switch -E405- , Spare wheel unlocking support switch -E727- | - | 23 | - | Diagnosis terminal, CAN-High |
| 24 | - | Driver door central locking system motor -V302- | - | 24 | - | Right alarm ultrasound sensor -G171- , Alarm system ultrasound sensor -G209- , Rain sensor and photodetector -G397- |
| 25 | - | Int. locking switch, driver side -E150- | - | 25 | - | -- |
| 26 | - | Rear right door contact switch -F11- | - | 26 | - | -- |
| 27 | - | Front lid / engine lid contact switch for the alarm system -F120- | - | 27 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 28 | - | Warning light switch -E3- | - | 28 | - | -- |
| 29 | - | Contact of the airbag coil and return spring with slip ring -F138- | - | 29 | - | -- |
| 30 | - | Central control unit for window control -J1015- , Rear tailgate unlocking motor -V139- | - | 30 | - | Left alarm ultrasound sensor -G170- |
| 31 | - | -- | - | 31 | - | Rear window heating system switch -E230- |
| 32 | - | Turn light/flashing light switch -E2- | - | 32 | - | Windscreen wiper motor -V- |
| 33 | - | Turn light/flashing light switch -E2- | - | 33 | - | -- |
| 34 | - | Rear left door contact switch -F10- | - | 34 | - | Instrument cluster -K- , Light switch illumination lamp -L9- , |
| 35 | - | Sunroof movement control unit -J245- | - | 35 | - | -- |
| 36 | - | -- | - | 36 | - | -- |
| 37 | - | Light switch -E1- | - | 37 | - | -- |
| 38 | - | -- | - | 38 | - | Terminal 31 |
| 39 | - | Terminal 31 | - | 39 | - | Terminal 30, Fuse 40 in fuse holder B -SB40- |
| 40 | - | Front right side lamp -M3- , Rear right lamp -M2- | - | 40 | - | Terminal 31 |
| 41 | - | Front left side lamp -M1- , Rear left lamp -M4- | - | 41 | - | -- |
| 42 | - | Terminal S, Fuse 2 in fuse holder A -SA2- | - | 42 | - | -- |
| 43 | - | Engine control unit -J623- , Brake pedal switch -F47- | - | 43 | - | Light switch -E1- |
| 44 | - | Terminal 15, Fuse 38 in fuse holder B -SB38- , Relief relay of terminal 15 -J404- | - | 44 | - | -- |
| 45 | - | Light switch -E1- | - | 45 | - | -- |
| 46 | - | -- | - | 46 | - | -- |
| 47 | - | -- | - | 47 | - | -- |
| 48 | - | Sunroof movement control unit -J245- | - | 48 | - | External side mirror folding control unit -J351- , Reverse gear light switch -F4- , Left reverse gear light lamp -M16- , Right reverse gear light lamp -M17- |
| 49 | - | -- | - | 49 | - | Generator (Alternator) -C- , Voltage regulator -C1- |
| 50 | - | -- | - | 50 | - | Automatic gearbox control unit -J217- , Starter -B- , Ignition switch -D- , Engine control unit -J623- |
| 51 | - | -- | - | 51 | - | Ignition switch -D- , Relief relay for contact X -J59- , Relief relay 2 of contact X -J339- |
| 52 | - | -- | - | 52 | - | Light switch -E1- |
| 53 | - | Alarm horn relay -J641- | - | 53 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 54 | - | -- | - | 54 | - | CAN-Bus, High |
| 55 | - | -- | - | 55 | - | -- |
| 56 | - | Warning light switch -E3- | - | 56 | - | -- |
| 57 | - | Left alarm ultrasound sensor -G170- | - | 57 | - | CAN-Bus, Low |
| 58 | - | Instrument cluster -K- | - | 58 | - | -- |
| 59 | - | -- | - | 59 | - | Terminal 30, Fuse 9 (30) of the battery fuse holder -S267- |
| 60 | - | Rear window heating system switch -E230- | - | 60 | - | Terminal 31 |
| 61 | - | -- | - | 61 | - | Rear window wiper motor -V12- , Rear window and windscreen washer pump -V59- , Windscreen wiper delay relay control -E38- |
| 62 | - | Relay 2 for long-range headlights -J1062- , Fog lights relay -J5- , Turn light/flashing light switch -E2- | - | 62 | - | Windscreen wiper delay relay switch (intermittent operation) -E22- |
| 63 | - | Terminal 30, Fuse 36 in fuse holder B -SB36- | - | 63 | - | Rear window defogger -Z1- |
| 64 | - | -- | - | 64 | - | -- |
| 65 | - | Internal lighting, Rear left reading light -W11- , Rear right reading lamp -W12- | - | 65 | - | -- |
| 66 | - | Internal lighting, Alarm system ultrasound sensor -G209- , Right alarm ultrasound sensor -G171- , Rain sensor and photodetector -G397- | - | 66 | - | -- |
| 67 | - | -- | - | 67 | - | Terminal 30, Fuse 6 in fuse holder A -SA6- |
| 68 | - | Terminal 30, Fuse 29 in fuse holder B -SB29- | - | 68 | - | Terminal 30, Fuse 47 in fuse holder B -SB47- |
| 69 | - | Windscreen wiper motor -V- | - | 69 | - | -- |
| 70 | - | Terminal 31 | - | 70 | - | -- |
| 71 | - | Windscreen wiper motor -V- | - | 71 | - | -- |
| 72 | - | Horn and double horn -H1- | - | 72 | - | -- |
| 73 | - | Terminal 30, Fuse 41 in fuse holder B -SB41- | - | 73 | - | -- |
Instrument cluster indicator control unit -J285-
| 1 - | Instrument cluster indicator control unit -J285- |
| A - | 32-pole fitting connector in the instrument cluster -T32a- |
Connector description: Instrument cluster indicator control unit -J285-
| T32a | - | Function |
| 1 | - | Fuel gauge sensor |
| 2 | - | -- |
| 3 | - | -- |
| 4 | - | Terminal 58d |
| 5 | - | Terminal 58 |
| 6 | - | -- |
| 7 | - | Immobilizer reading coil |
| 8 | - | Immobilizer reading coil |
| 9 | - | Speed sensor |
| 10 | - | -- |
| 11 | - | -- |
| 12 | - | -- |
| 13 | - | Fog lights |
| 14 | - | Headlights |
| 15 | - | Alarm |
| 16 | - | Terminal 31 |
| 17 | - | -- |
| 18 | - | -- |
| 19 | - | External temperature sensor |
| 20 | - | Terminal 31, Sensors mass |
| 21 | - | Multifunctional (MFA) above |
| 22 | - | Multifunctional (MFA) below |
| 23 | - | Multifunctional (MFA) enter |
| 24 | - | -- |
| 25 | - | Handbrake control switch |
| 26 | - | Brake oil level warning contact |
| 27 | - | Oil pressure switch |
| 28 | - | CAN-Bus, High |
| 29 | - | CAN-Bus, Low |
| 30 | - | -- |
| 31 | - | Terminal 15 |
| 32 | - | Terminal 30 |
Central control unit for window control -J1015-
| 1 - | Central control unit for window control -J1015- |
| A - | 12-pole fitting connector in the window control central control unit -T12g- |
| B - | 23-pole fitting connector in the window control central control unit -T23b- |
Connector description: Central control unit for window control -J1015-
| T12g | - | Function | - | T23b | - | Function |
| 1 | - | Rear window control blocking switch -E39- | - | 1 | - | Terminal 31 |
| 2 | - | Rear window control blocking switch -E39- | - | 2 | - | Onboard network control unit -J519- |
| 3 | - | -- | - | 3 | - | -- |
| 4 | - | Rear window control blocking switch -E39- | - | 4 | - | -- |
| 5 | - | Rear left window control switch, driver side -E53- | - | 5 | - | -- |
| 6 | - | Rear left window control switch -E52- | - | 6 | - | -- |
| 7 | - | Rear left window control switch, driver side -E53- | - | 7 | - | Front right window control switch, driver side -E81- |
| 8 | - | Rear right window control switch -E54- | - | 8 | - | -- |
| 9 | - | Rear left window control motor -V26- | - | 9 | - | Terminal 31 |
| 10 | - | Rear left window control motor -V26- | - | 10 | - | -- |
| 11 | - | Rear right window control motor -V27- | - | 11 | - | -- |
| 12 | - | Rear right window control motor -V27- | - | 12 | - | Diagnosis terminal - K |
| -- | - | -- | - | 13 | - | -- |
| - | -- | - | 14 | - | -- | |
| -- | - | -- | - | 15 | - | Front right window control switch, driver side -E81- |
| -- | - | -- | - | 16 | - | Passenger door window control switch -E107- |
| -- | - | -- | - | 17 | - | -- |
| -- | - | -- | - | 18 | - | -- |
| -- | - | -- | - | 19 | - | Driver window control motor -V147- |
| -- | - | -- | - | 20 | - | Driver window control motor -V147- |
| -- | - | -- | - | 21 | - | Passenger window activation motor -V148- |
| -- | - | -- | - | 22 | - | Passenger window activation motor -V148- |
| -- | - | -- | - | 23 | - | Terminal 30, Fuse 22 in fuse holder A -SA22- |
Airbag control unit -J234-
| 1 - | Airbag control unit -J234- |
| A - | 50-pin connector in the airbag control unit -T50a- |
Air conditioning control unit -J301-
| 1 - | Air conditioning control unit -J301- |
| A - | 10-pin connector in the air conditioning control unit -T10f- |
| B - | 5-pin connector in the natural air fan switch -T5m- |
Connector description: Air conditioning control unit -J301-
| T5m | - | Function | - | T10f | - | Function |
| 1 | - | Blower level 4 Pre-resistance of the natural air fan w/ overheating fuse -N24- | - | 1 | - | -- |
| 2 | - | Blower level 3 Pre-resistance of the natural air fan w/ overheating fuse -N24- | - | 2 | - | -- |
| 3 | - | Blower level 2 Pre-resistance of the natural air fan w/ overheating fuse -N24- | - | 3 | - | Recirculation valve and natural air valve control motor -V154- |
| 4 | - | Blower level 1 Pre-resistance of the natural air fan w/ overheating fuse -N24- | - | 4 | - | Recirculation valve and natural air valve control motor -V154- |
| 5 | - | Power output +12V | - | 5 | - | Terminal 31 |
| - | - | -- | - | 6 | - | Compressed air compressor -V534- |
| - | - | -- | - | 7 | - | Engine control unit -J623- |
| - | - | -- | - | 8 | - | Natural air fan switch -E9- , Pre-resistance of the natural air fan w/ overheating fuse -N24- |
| - | - | -- | - | 9 | - | Onboard network control unit -J519- |
| - | - | -- | - | 10 | - | Recirculation valve and natural air valve control motor -V154- |
Selector lever sensors control unit -J587-
| 1 - | Selector lever sensors control unit -J587- |
| A - | 10-pin connector in the selector lever sensors control unit -T10g- |
Connector description: Selector lever sensors control unit -J587-
| T10g | - | Function |
| 1 | - | Terminal 31 |
| 2 | - | -- |
| 3 | - | -- |
| 4 | - | -- |
| 5 | - | Terminal 58d |
| 6 | - | -- |
| 7 | - | CAN-Bus, High |
| 8 | - | CAN-Bus, Low |
| 9 | - | Terminal 15, Fuse 19 in fuse holder A -SA19- |
| 10 | - | Terminal 30, Fuse 13 in fuse holder A -SA13- |
Parking assist control unit -J446-
| 1 - | Parking assist control unit -J446- |
| A - | 12-pin connector in the parking assist control unit -T12f- |
| B - | 16-pin connector in the parking assist control unit -T16e- |
Connector description: Parking assist control unit -J446-
| T12f | - | Function | - | T16e | - | Function |
| 1 | - | -- | - | 1 | - | Terminal 15, Fuse 38 in fuse holder B -SB38- |
| 2 | - | Rear right parking assist sensor, centre -G205- | - | 2 | - | Rear parking assist warning buzzer -H15- |
| 3 | - | Rear left parking assist sensor, centre -G204- | - | 3 | - | -- |
| 4 | - | Rear right parking assist sensor -G206- | - | 4 | - | -- |
| 5 | - | Rear left parking assist sensor -G203- | - | 5 | - | -- |
| 6 | - | -- | - | 6 | - | CAN-Bus, High |
| 7 | - | -- | - | 7 | - | -- |
| 8 | - | Sensor, Mass, rear | - | 8 | - | Terminal 31 |
| 9 | - | -- | - | 9 | - | -- |
| 10 | - | -- | - | 10 | - | Rear parking assist warning buzzer -H15- |
| 11 | - | Sensor, voltage, rear | - | 11 | - | -- |
| 12 | - | -- | - | 12 | - | -- |
| - | - | -- | - | 13 | - | -- |
| - | - | -- | - | 14 | - | -- |
| - | - | -- | - | 15 | - | CAN-Bus, Low |
| - | - | -- | - | 16 | - | -- |
Source: https://portal-diagnostov.com/fi/2021/01/24/6643938-vw-suran-2012-dual-headlight-wiring-diagrams-pin-connector-location/
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