Theft Deterrent System Rear Door Courtesy Switch Lh Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT REAR DOOR COURTESY LIGHT SWITCH (FOR REAR LH)

CHECK WIRE HARNESS (REAR DOOR COURTESY LIGHT SWITCH [FOR REAR LH] - THEFT WARNING ECU)

THEFT DETERRENT SYSTEM - Rear Door Courtesy Switch LH Circuit


DESCRIPTION

The theft warning ECU detects the condition of the rear door courtesy light switch LH.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Rear Door Courtesy Switch Lh Circuit


INSPECTION PROCEDURE

1.INSPECT REAR DOOR COURTESY LIGHT SWITCH (FOR REAR LH)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Rear Door Courtesy Switch Lh Circuit

  1. Measure the resistance of the switch.

    Standard resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - Body ground
    		Not pushed (ON)
    		Below 1 Ω
    1 - Body ground
    		Pushed (OFF)
    		10 kΩ or higher


NG
REPLACE REAR DOOR COURTESY LIGHT SWITCH
OK


2.CHECK WIRE HARNESS (REAR DOOR COURTESY LIGHT SWITCH [FOR REAR LH] - THEFT WARNING ECU)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Rear Door Courtesy Switch Lh Circuit

  1. Disconnect the D6 switch connector.

  1. Disconnect the T16 ECU connector.

  1. Measure the resistance of the wire harness side connectors.

    Standard resistance:
    Tester Connection
    		Specified Condition
    D6-1 - T16-7 (CTY)
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE