Pinpoint Test D: All Door Locks Are Inoperative From One Switch

Locks, Latches and Entry Systems





Pinpoint Test D: All Door Locks Are Inoperative From One Switch

Refer to Wiring Diagram Set 117, Remote Keyless Entry and Alarm for schematic and connector information. Diagrams By Number

Normal Operation

The door lock control switches provide ground to the Driver Door Module (DDM) through circuits 119 (PK/YE) and 120 (PK/LG) for the lock and unlock requests, respectively. When the lock or unlock switch is pressed, the ground signal is routed to the DDM. The door lock switches are grounded through circuit 57 (BK).

This pinpoint test is intended to diagnose the following:

- Wiring, terminals or connectors
- Door lock control switch



PINPOINT TEST D: ALL DOOR LOCKS ARE INOPERATIVE FROM ONE SWITCH

NOTICE: Use the correct probe adapter(s) when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

-------------------------------------------------
D1 CHECK THE SUSPECT DOOR LOCK CONTROL SWITCH FOR CORRECT OPERATION


- Disconnect: Suspect Door Lock Control Switch.
- Carry out the door lock control switch component test.

- Is the door lock control switch OK?

Yes
REPAIR circuit 57 (BK) for an open. TEST the system for normal operation.

No
INSTALL a new door lock control switch. REFER to Door Lock Control Switch Service and Repair. TEST the system for normal operation.

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