Theft Deterrent System Front Passenger Side Door Courtesy Switch Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT FRONT DOOR COURTESY LIGHT SWITCH (FOR FRONT PASSENGER SIDE)

CHECK WIRE HARNESS (FRONT DOOR COURTESY LIGHT SWITCH (FOR FRONT PASSENGER SIDE) - THEFT WARNING ECU)

THEFT DETERRENT SYSTEM - Front Passenger Side Door Courtesy Switch Circuit


DESCRIPTION

The theft warning ECU detects the condition of the front door courtesy light switch (front passenger side).

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Front Passenger Side Door Courtesy Switch Circuit


INSPECTION PROCEDURE

1.INSPECT FRONT DOOR COURTESY LIGHT SWITCH (FOR FRONT PASSENGER SIDE)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Front Passenger Side Door Courtesy Switch 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 FRONT DOOR COURTESY LIGHT SWITCH
OK


2.CHECK WIRE HARNESS (FRONT DOOR COURTESY LIGHT SWITCH (FOR FRONT PASSENGER SIDE) - THEFT WARNING ECU)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Front Passenger Side Door Courtesy Switch Circuit

  1. Disconnect the D5 switch connector.

  1. Disconnect the T16 ECU connector.

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

    Standard resistance:
    Tester Connection
    		Specified Condition
    D5-1 - T16-7 (CTY)
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE