Door Courtesy Switch Circuit

THEFT DETERRENT / KEYLESS ENTRY: ENGINE Immobilizer 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 (for driver side) open/close 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:





Text in Illustration





NG -- INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side)
OK -- REPLACE TRANSPONDER KEY ECU ASSEMBLY
2. INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (for Driver Side)




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





Text in Illustration





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