2012 Volkswagen Passat DirectWire 2.0 Vehicle Information
All Products
Item Wire Color Polarity Wire Location
12 Volts red (40A) + VESCM, black 52 pin plug, pin 1
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Second 12 Volts RED / yellow (40A) + VESCM, brown 52 pin plug, pin 42
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Starter RED / black (without push-button start) + VESCM, brown 52 pin plug, pin 14
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Second Starter pur/yel (sw1), pur/blk (sw2) (push-button start) - resistor start system button, black 4 pin plug, pins 3 and 4
Ignition black + VESCM, brown 52 pin plug, pin 31
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Second Ignition RED / blue + VESCM, white 52 pin plug, pin 14
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Third Ignition N/A
Accessory BLACK/ purple (for accessory sense only) + VESCM, white 52 pin plug, pin 28 or black 52 pin plug, pin 3
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Second Accessory N/A
Third Accessory N/A
Keysense PURPLE / red (push-button start only) + VESCM, brown 52 pin plug, pin 13
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Data Bus N/A
Can Bus High ORANGE / green data VESCM, brown 52 pin plug, pin 15
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Can Bus Low ORANGE / brown data VESCM, brown 52 pin plug, pin 16
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Can Bus Sw N/A
Power Lock BROWN / green - Driver Door Module, gray 32 pin plug, pin 32
Power Unlock same as power lock - 180 ohms
Lock Motor blue/green 5 wire VESCM, white 52 pin plug, pin 7
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Driver Unlock Motor purple 5 wire Driver Door Module, black 20 pin plug, pin 12
Passenger Unlock Motor BROWN / yellow 5 wire VESCM, white 52 pin plug, pin 8
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Parking Lights (-) N/A
Parking Lights (+) gray / YELLOW + VESCM, black 52 pin plug, pin 19
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash. Must interrupt the autolights wire to activate the parking lights.
Hazards BROWN / red - VESCM, brown 52 pin plug, pin 7
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Turn Signal (Left) gray/white (F); BLACK/ white (R) + VESCM, black 52 pin plug, pin 10; brown 52 pin plug, pin 51
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Turn Signal (Right) gray/brown (F); BLACK/ red (R) + VESCM, brown 52 pin plug, pin 50; black 52 pin plug, pin 9
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Headlight WHITE/ black + VESCM, black 52 pin plug, pin 22
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
AutoLights purple (interrupt to turn off autolights) + VESCM, black 52 pin plug, pin 20
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Reverse Light blue/purple + VESCM, black 52 pin plug, pin 28
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Left Front Door Trigger BROWN / yellow - Driver Door Module, black 20 pin plug, pin 7
Right Front Door Trigger BROWN / yellow - Passenger Door Module, black 20 pin plug, pin 7
Left Rear Door Trigger BLACK/ gray - VESCM, black 52 pin plug, pin 41
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Right Rear Door Trigger BLACK/ green - VESCM, black 52 pin plug, pin 30
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Dome Supervision RED / white - VESCM, brown 52 pin plug, pin 10
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Trunk/Hatch Pin BROWN / blue or BROWN / black - VESCM, black 52 pin plug, pin 29
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Rear Glass Pin N/A
Hood Pin BROWN / green - VESCM, black 52 pin plug, pin 14
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Trunk/Hatch Release purple (rear handle switch) - VESCM, black 52 pin plug, pin 13
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Trunk Release Motor RED / blue 5 wire VESCM, white 52 pin plug, pin 11
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Fuel Door Release locks/unlocks along with doors
Power Sliding Door (Left) N/A
Power Sliding Door (Right) N/A
Factory Alarm Arm GREEN / WHITE (driver door key lock) - Driver Door Module, black 20 pin plug, pin 16
Factory Alarm Disarm same as factory alarm arm - 180 ohms
Disarm No Unlock Transponder and ignition
Trunk Alarm Shunt N/A
Tachometer PURPLE / stripe (2.5L), BROWN / stripe (3.6L, 2.0L) ac any fuel injector, 2 pin plug, pin 2
Wait to Start N/A
Neutral Safety N/A
Clutch Pedal PURPLE / white - VESCM, brown 52 pin plug, pin 30
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Fuel Pump RED / white (2.5L), blue/red (2.0L diesel) + fuel pump relay on upper VESCM
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash. On 3.6L models, it is BLACK/ green (+) in the driver kick, harness to rear.
Rear Defroster BLACK/ green - latched VESCM, white 52 pin plug, pin 22
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Mirror Defroster yellow - Driver Door Module, gray 32 pin plug, pin 28
Left Front Heated Seat (CAN and LIN bus)
Right Front Heated Seat (CAN and LIN bus)
Speed Sense (wheel speed sensor)
Brake Wire BLACK/ red (functions with ignition on only) + VESCM, brown 52 pin plug, pin 17
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Parking Brake BROWN / yellow - parking brake switch, black 2 pin plug, pin 1
Horn Trigger RED / brown - VESCM, white 52 pin plug, pin 41
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Wipers WHITE/ red - VESCM, white 52 pin plug, pin 23
The VESCM (Vehicle Electrical System Control Module) is the relay box under the driver dash.
Left Front Window (Up/Down) use factory alarm arm/disarm
Right Front Window (Up/Down) see left front window
Left Rear Window (Up/Down) see left front window
Right Rear Window (Up/Down) see left front window
Sun Roof (Open/Close) WHITE/ purple (tilt up/down) (func w/ign on only) - resistor sunroof switch, 4 pin plug, pin 4
Sun Roof (Limit/Close) N/A
Memory Seat 1 RED / black - resistor memory switch or Driver Seat Module, 32 pin plug, pin 12
Memory Seat 2 same as memory seat 1 - resistor
Memory Seat 3 yellow/black - resistor memory switch or Driver Seat Module, 32 pin plug, pin 28
Radio 12V RED / yellow + radio, 16 pin plug, pins 15 and 16
Radio Ground brown - radio, 16 pin plug, pin 12
Radio Ignition (Infotainment CAN)
Radio Illumination (Infotainment CAN)
Factory Amp Turn-on (Infotainment CAN)
Power Antenna N/A
Left Front Speaker (+/-) BROWN / green - BROWN / blue or green - brown +,- radio, 8 pin plug, pins 3 and 7
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are BROWN / green - BROWN / blue (woofer); blue/black - WHITE/ black (midrange); white - WHITE/ black (tweeter) at the amplifier, 38 pin plug, pins 18 and 6; 13 and 14; 8 and 20.
Right Front Speaker (+/-) BROWN / red - BROWN / black or blue - brown +,- radio, 8 pin plug, pins 2 and 6
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are BROWN / red - BROWN / black (woofer); RED / gray - BROWN / gray (midrange); gray - gray/black (tweeter) at the amplifier, 38 pin plug, pins 15 and 3; 12 and 11; 19 and 7.
Left Rear Speaker (+/-) RED / white - BROWN / white or white - brown +,- radio, 8 pin plug, pins 4 and 8
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are RED / white - BROWN / white at the amplifier, 38 pin plug, pins 9 and 21.
Right Rear Speaker (+/-) RED / purple - BROWN / purple or yellow - brown +,- radio, 8 pin plug, pins 1 and 5
If equipped, the amplifier is under the driver seat. On vehicles with amplifier, the speaker wires are RED / purple - BROWN / purple at the amplifier, 38 pin plug, pins 22 and 10.
Center Channel (+/-) N/A
Subwoofer (+/-) WHITE/ red - BROWN / red (1); gray/red - gray/brn (2) +,- amplifier, 38 pin plug, pins 16 and 4; 5 and 17
If equipped, the amplifier is under the driver seat.
Aux. Audio Input Left (+/-) yellow - green +,- radio, 12 pin plug, pins 1 and 2
Aux. Audio Input Right (+/-) gray - green +,- radio, 12 pin plug, pins 7 and 2
RSE Video (+/-) N/A
RSE Audio Left (+/-) N/A
RSE Audio Right (+/-) N/A
Satellite Radio 12 Volts N/A
Satellite Radio Ground N/A
Satellite Radio Ignition N/A
Satellite Radio Antenna N/A
Satellite Audio Left (+/-) N/A
Satellite Audio Right (+/-) N/A
Item Size Depth Location
Headunit irregular
Left Front Speaker 6.5 3.5 left front door
Left Front Tweeter 1 1 left front dash
Right Front Speaker 6.5 3.5 right front door
Right Front Tweeter 1 1 right front dash
Left Rear Speaker 6.5 3.5 left rear door
Left Rear Tweeter 1 1 left rear door
Right Rear Speaker 6.5 3.5 right rear door
Right Rear Tweeter 1 1 right rear door
Center Channel N/A
Subwoofer under rear deck
Left Front Headrest
Right Front Headrest
Left Rear Headrest
Right Rear Headrest
Satellite Radio Tuner (built into radio)
M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!