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 Signal Specification, Driver Door Module (DDM) / Passenger Door Module (PDM)
- 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

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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 - Verification complete

No - Fault-tracing information

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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 - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking opening using the key

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