Checking Opening Using The Key

Fault-Tracing Information

Condition

No DTCs stored.

Possible source

- Open-circuit in the lock cables
- Oxidation in the connectors
- Defective lock unit.

Fault symptom[s]

- Cannot be operated with a key from the driver's door.

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.

Replace the lock unit if no fault is found.

Other information:
- For further information about signals and other values, see Signal specification.
- To connect the breakout box, see 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.
- To access and replace the lock unit, see Lock mechanism front side door, replacing.
- Checking wiring and terminals.