Checking Opening Using The Key: Notes

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: 

• see SIGNAL SPECIFICATION
• see CONNECTING THE BREAKOUT BOX
• To access the driver/passenger door module (DDM/PDM) connector, see PASSENGER DOOR MODULE (PDM), REPLACING
• To access or replace the lock unit, see LOCK MECHANISM FRONT SIDE DOOR, REPLACING
• see CHECKING WIRING AND TERMINALS

• Continue 

  Refer to SYMPTOM VERIFICATION