Power Distribution Module: Description and Operation

Vehicle Electrical System Control Module J519

• The Vehicle Electrical System Control Module and relay carrier on Vehicle Electrical System Control Module are one component and cannot be replaced separately.

• If the Vehicle Electrical System Control Module or relay carrier is to be replaced, the work procedure => [ Coding ] Coding to read out the codes stored in the module must always be performed.

• Additional information:

Refer to the Owner's Manual.

General Description

Vehicle Electrical System Control Module performs the following tasks in the vehicle:

• Electric load management

• Exterior light control

• Turn signal control

• Wipers, rear window

• Rear Window Defogger

• Interior light control

• Shift-/selector gate illumination

• Terminal control

• Dimming, instrument illumination

• Fuel Pump (FP) supply

• Pre-energizing of generator

• Horn

• Warning lamp

The following functions can be adapted:

• Adapting high beams as assisting driving light, refer to => [ Adapting High Beams As Assisting Driving Light ] Adapting High Beams As Assisting Driving Light.

• Adapting assisting driving light delay, refer to => [ Adapting Assisting Driving Light Delay ] Adapting Assisting Driving Light Delay.

• Adapting footwell light dimmer value, refer to => [ Adapting Footwell Light Dimmer Value ] Adapting Footwell Light Dimmer Value.

• Setting Coming Home Time, refer to => [ Adapting Coming Home Time ] Adapting Coming Home Time.

• Setting Leaving Home Time, refer to => [ Adapting Leaving Home Time ] Adapting Leaving Home Time.

• Setting headlamp cleaning system "on time" (headlamp cleaning time), refer to => [ Headlamp Washer System, Adapting ] Headlamp Washer System, Adapting.

• Adapting "shut-off time" of heater function for rear window and exterior mirror, refer to => [ Adapting Shut-Off Time Of Heater Function For Rear Window and Exterior Mirror ] Adapting Shut-Off Time Of Heater Function For Rear Window and Exterior Mirror.

• Daytime running lamps, coding and decoding, refer to => [ Daytime Running Lamps, Coding and Decoding ] Daytime Running Lamps, Coding and Decoding.

• Adaptations listed above are dependent on vehicle equipment level and market version.

DTC Recognition and Display

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

The "Guided Fault Finding" function is to be used for troubleshooting of the systems as described in => [ Vehicle Diagnosis, Testing and Information Systems ] Vehicle Diagnosis, Testing and Information Systems