Door Courtesy Switch Circuit

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM: Door Courtesy Switch Circuit

Door Courtesy Switch Circuit

DESCRIPTION

When an additional transponder key is registered, the transponder key ECU assembly detects the front door courtesy light switch open/closed condition to register the key.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. INSPECT FRONT DOOR COURTESY SWITCH ASSEMBLY




(a) Remove the driver side front door courtesy switch.
(b) Measure the resistance.
Standard resistance:





(c) Reinstall the driver side front door courtesy switch.
NG -- REPLACE FRONT DOOR COURTESY SWITCH ASSEMBLY
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY SWITCH CIRCUIT)




(a) Disconnect the D23 ECU connector.
(b) Measure the resistance.
Standard resistance:





(c) Reconnect the ECU connector.
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE