Engine Immobiliser System (For Sedan) Door Courtesy Switch Circuit

Vehicle Interior. Yaris. Ncp93, 131

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FRONT DOOR COURTESY SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (FRONT DOOR COURTESY SWITCH CIRCUIT)

ENGINE IMMOBILISER SYSTEM (for Sedan) - 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 to register the key.

WIRING DIAGRAM


Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Engine Immobiliser System (For Sedan)  Door Courtesy Switch Circuit


INSPECTION PROCEDURE

1.INSPECT FRONT DOOR COURTESY SWITCH ASSEMBLY


    Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Engine Immobiliser System (For Sedan)  Door Courtesy Switch Circuit
  1. Remove the driver side front door courtesy switch.

  1. Measure the resistance.

    Standard resistance:
    Tester Connection
    Condition
    Specified Condition
    1 - Switch body
    Switch pressed
    10 kΩ or higher
    1 - Switch body
    Switch free
    Below 1 Ω
  1. Reinstall the driver side front door courtesy switch.



NG
REPLACE FRONT DOOR COURTESY SWITCH ASSEMBLY (YARIS_NCP93 RM000001DKX01FX.html)
OK


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


    Yaris. Ncp93, 131.Theft Deterrent Keyless Entry.Engine Immobiliser System (For Sedan).Engine Immobiliser System (For Sedan)  Door Courtesy Switch Circuit
  1. Disconnect the D23 ECU connector.

  1. Measure the resistance.

    Standard resistance:
    Tester Connection
    Condition
    Specified Condition
    D23-7 (CTY) - Body ground
    Courtesy switch pushed
    10 kΩ or higher
    D23-7 (CTY) - Body ground
    Courtesy switch free
    Below 1 Ω
  1. Reconnect the ECU connector.



NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE