Checking Opening Using the Key

Checking opening using the key

Checking opening using the key
This fault-tracing assumes that the lock cylinder is not mechanically defective.
Check door control module connector A and the lock unit connector. Check for contact resistance and oxidation.
Check the cable between door control module connector terminal #A6 and lock unit connector terminal #4. Check for an open-circuit.
Check the cable between door control module connector terminal #A12 and lock unit connector terminal #1. Check for an open-circuit.
Check the cable between door control module connector terminal #A13 and lock unit connector terminal #5. Check for an open-circuit.
If no fault was found, replace the lock unit.

Other information:
- Signal specification Pinout Values and Diagnostic Parameters
- Connecting the breakout box Connecting the Breakout Box
- To access the driver/passenger door module (DDM/PDM) connector, see Driver's door module / passenger door module (DDM/PDM), replacing Driver's Door Module/Passenger Door Module (DDM/PDM), Replacing
- To access or replace the lock unit, see Lock mechanism front side door, replacing Lock Mechanism Front Side Door, Replacing
- Checking wiring and terminals Checking Wiring And Terminals

Select Continue.

Continue - Symptom verification

-------------------------------------------------

Symptom verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
Try locking the central locking system using the key from the driver's door.

Does the unlocking function?

Yes - VERIFIED

No - Fault-tracing information

-------------------------------------------------

Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - FAULT-TRACING FAILED

No - Attempt New Test

------------------------

FAULT-TRACING FAILED - FAULT-TRACING FAILED

Attempt New Test - Checking opening using the key

-------------------------------------------------