Engine Immobiliser System (W/O Smart Key System) Door Courtesy Switch Circuit

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

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

INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY

ENGINE IMMOBILISER SYSTEM (w/o Smart Key System) - 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


Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/O Smart Key System) Door Courtesy Switch Circuit


INSPECTION PROCEDURE

NOTICE:
If the transponder key ECU assembly is replaced, register the key and ECU communication ID (COROLLA_ZRE142 RM00000120Y02CX.html).
1.CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY LIGHT SWITCH CIRCUIT)


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/O Smart Key System) Door Courtesy Switch Circuit

  1. Disconnect the transponder key ECU assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    E21-7 (CTY) - Body ground
    		Courtesy switch pushed
    (Door closed)
    		10 kΩ or higher
    E21-7 (CTY) - Body ground
    		Courtesy switch free
    (Door open)
    		Below 1 Ω


NG
Go to step 2
OK

REPLACE TRANSPONDER KEY ECU ASSEMBLY (COROLLA_ZRE142 RM000003G05004X.html)

2.INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY


    Corolla. Zre142 Aze141.Theft Deterrent Keyless Entry.Smart Key System (For Entry Function).Engine Immobiliser System (W/O Smart Key System) Door Courtesy Switch Circuit

  1. Remove the driver side front door courtesy light switch (COROLLA_ZRE142 RM000002VPS00OX.html).

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

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - Switch body
    		Courtesy switch pushed
    (Door closed)
    		10 kΩ or higher
    1 - Switch body
    		Courtesy switch free
    (Door open)
    		Below 1 Ω


NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY (COROLLA_ZRE142 RM000002VPS00OX.html)
OK

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