Door Key Lock / Unlock Switch Circuit

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: Door Key Lock / Unlock Switch Circuit
- Door Key Lock / Unlock Switch Circuit

DESCRIPTION

The door lock and unlock switch is built in the door lock assembly.

This switch is ON when the door key is in the unlock position and OFF when the door key is in the lock position. It is used as one of the operating conditions for the key confinement prevention function.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING TECHSTREAM (DOOR KEY LOCK AND UNLOCK SWITCH)

(a) Connect Techstream to the DLC3.

(b) Turn the ignition switch on (IG).

(c) Turn the tester on.

(d) Enter the following menus: Body Electrical / Main Body / Data List.

(e) Read the Data List according to the display on the tester.

Main Body:





OK:

On the tester screen, each item changes between ON and OFF according to the chart above.

NG -- INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR KEY LOCK AND UNLOCK SWITCH)

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

2. INSPECT FRONT DOOR LOCK ASSEMBLY LH (DOOR KEY LOCK AND UNLOCK SWITCH)

(a) Remove the front door lock assembly LH.





(b) Measure the resistance of the switch when the switch is operated.

Resistance:





NG -- REPLACE FRONT DOOR LOCK ASSEMBLY LH
OK -- Continue to next step.

3. CHECK WIRE HARNESS (FRONT DOOR LOCK ASSEMBLY LH - INSTRUMENT PANEL J/B)

(a) Disconnect the D8 and H9 connectors.





(b) Remove the body ECU from instrument panel J/B.

(c) Measure the resistance of the switch when the switch is operated.

Resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE