Power Supply and Cables Check

Checking voltage supply and wiring to control module
- Remove driver's stowage compartment:
- Pull 6-pin connector off accelerator pedal position sender.
- Switch ignition on.







- Connect multimeter to measure voltage at the following contacts of the connector using adapter cables from V.A.G 1594 A
Contact 1 + Ground
Contact 1 + 5
Contact 2 + Ground
Contact 2 + 3
Specification: minimum 4.5 V

- Switch off ignition.

If no voltage is present:







- Connect test box V.A.G 1598/31 to control module wiring harness. The engine control module remains disconnected.







- Check wiring between test box and connector for open circuit according to wiring diagram.
Contact 1 + socket 72
Contact 2 + socket 73
Contact 3 + socket 36
Contact 4 + socket 35
Contact 5 + socket 33
Contact 6 + socket 34
Wire resistance: max. 1.5 Ohms

- Additionally check the wiring for short to battery positive or Ground.
- Additionally check wires for short to one another.

If no fault is detected in the wiring:
- Replace accelerator pedal position sender, item 4

Vehicles with automatic transmission 01M
- Adapt control module for automatic transmission:

Continued for all vehicles
- Check DTC memory:
- Read out readiness code:
- If the DTC memory has been erased or the engine control module separated from the permanent positive, the readiness code must be generated again.