Power Distribution Module: Description and Operation

Vehicle Electrical System Control Module (J519)

The Vehicle Electrical System Control Module - arrow - is located under instrument cluster, at left.






• Additional information:

Refer to Self Study Program No. 297; The Touareg.

Refer to Self Study Program No. 298; The Touareg Electrical System.

General Description

The Vehicle Electrical System Control Module has the following tasks in the vehicle:

• Electric load management

• Parking light

• Low beam

• Running light

• Turn signal (not in outside mirror)

• High beam headlamp

• Auxiliary high beam

• Fog Lamps

• Footwell Lamps

• Dimming, instrument illumination

• Indicator light for emergency flasher

• Relay for headlamp washer system

• Fuel Pump (FP) supply

• Horn

• Dual washer pump

• Interior light

• Voltage supply for Rain/Light sensor

Some of the functions listed above can be adapted:

• Tap signaling, comfort-flashing, or highway signaling means that turn signals are activated multiple times (1-5 times) when turn signal lever is tapped once (signal cycles).

• Adapting signal cycles for tap signaling, refer to => [ Tap Signaling Signal Cycles, Adapting ] Programming and Relearning.

• Adapting activation times of headlamp cleaning system, refer to => [ Headlamp Washer System Activation Time, Adapting ] Testing and Inspection.

• Adapting shut-off priority of electrical consumers, refer to => [ Electrical Consumer Shut-Off Priority, Adapting ] Testing and Inspection.

DTC Recognition and Display

The Vehicle Electrical System Control Module is equipped with On Board Diagnostics (OBD) which assists troubleshooting.

For troubleshooting, use Vehicle Diagnostic, Testing and Information System (VAS 5051A) in operating mode "Guided Fault Finding".

Vehicle Electrical System Control Module (J519) must be coded under the following conditions:

• Changes were made to vehicle equipment.

• One particular functionality is to be changed.

• Vehicle Electrical System Control Module is to be replaced.

- Code Vehicle Electrical System Control Module, refer to => [ Vehicle Electrical System Control Module, Coding ] Programming and Relearning.