Automatic Transmission/Transaxle: Testing and Inspection

Selector Lever Voltage Supply, Checking

Special tools, testers and auxiliary items required

• Multimeter.

• Wiring diagram.

Test requirements

• The Direct Shift Gearbox (DSG) Mechatronic (J743) fuses OK.

• Battery voltage at least 12.5 volts.

• All electrical consumers such as, lights and rear window defroster, switched off.

• Selector lever in "P".

• A/C switched off.

• Ground connections between engine/transmission/chassis OK.

• Ignition switched off.

Test procedure

- Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] Preliminary Check

Start diagnosis

- Remove the selector mechanism, far enough to gain access to the Selector Lever (E313) electrical harness connector - A -. Refer to the Repair Information.

- Disconnect the Selector Lever (E313) electrical harness connector - A -.





Checking voltage supply, terminal 10

- Using a multimeter, check the Selector Lever (E313) electrical harness connector terminals 10 to 1 for voltage.

Specified value: Battery voltage.

If the specified value was Not obtained:

- Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground.

- Check the wiring connection for damage, corrosion, loose or broken terminals.

- If necessary, repair the faulty wiring connection.

If the specified value was obtained:

Checking voltage supply, terminal 9

- Using a multimeter, check the Selector Lever (E313) electrical harness connector terminals 9 to 1 for voltage.

Specified value: Battery voltage.

If the specified value was Not obtained:

- Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground.

- Check the wiring connection for damage, corrosion, loose or broken terminals.

- If necessary, repair the faulty wiring connection.

If no faults were found in the wiring and the voltage was OK:

- Replace the Selector Lever (E313). Refer to the Repair Information.

Final procedures

After the repair work, the following work steps must be performed in the following sequence:

1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Modes 01 - 09.

2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] Diagnostic Modes 01 - 09.

3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] Monitors, Trips, Drive Cycles and Readiness Codes.