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 open/closed condition, and enters the key registration mode.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE: If the transponder key ECU 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 connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






NG -- INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY
OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY
2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY





(a) Remove the driver side front door courtesy light switch Removal.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance:






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