Door Courtesy Switch Circuit

ENGINE IMMOBILISER: ENGINE IMMOBILISER SYSTEM (w/o Smart Key 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 assembly LH open/closed condition, and enters the key registration mode.

WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication ID Engine Immobiliser System (W/O Smart Key System).

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT)

(a) Disconnect the transponder key ECU assembly connector.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY Removal

2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

(a) Remove the driver side front door courtesy light switch assembly LH Removal.





(b) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH Removal

OK -- REPAIR OR REPLACE HARNESS OR CONNECTOR (TRANSPONDER KEY ECU - FRONT DOOR COURTESY LIGHT SWITCH)