Door Courtesy Switch Circuit

THEFT DETERRENT / KEYLESS ENTRY: 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/close condition, and enters the key registration mode.

WIRING DIAGRAM





INSPECTION PROCEDURE
NOTE: If the transponder key ECU assembly is replaced, register the key and ECU communication ID Engine Immobiliser 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
OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY
2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY




(a) Remove the front door courtesy light switch (driver side) 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)