Theft Deterrent System Engine Hood Courtesy Switch Circuit


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT SECURITY COURTESY SWITCH (ENGINE HOOD COURTESY SWITCH)

CHECK WIRE HARNESS (SECURITY COURTESY SWITCH - THEFT WARNING ECU AND BODY GROUND)

THEFT DETERRENT SYSTEM - Engine Hood Courtesy Switch Circuit


DESCRIPTION

The security courtesy switch (engine hood courtesy switch) is built into the hood lock. This switch turns OFF when the engine hood is opened and turns ON when the engine hood is closed.

WIRING DIAGRAM


Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Engine Hood Courtesy Switch Circuit


INSPECTION PROCEDURE

1.INSPECT SECURITY COURTESY SWITCH (ENGINE HOOD COURTESY SWITCH)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Engine Hood Courtesy Switch Circuit

  1. Remove the courtesy switch from the hood lock.

  1. Measure the resistance of the switch.

    Standard resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - 2
    		Not pushed (ON)
    		Below 1 Ω
    1 - 2
    		Pushed (OFF)
    		10 kΩ or higher


NG
REPLACE SECURITY COURTESY SWITCH
OK


2.CHECK WIRE HARNESS (SECURITY COURTESY SWITCH - THEFT WARNING ECU AND BODY GROUND)
Toyota Fortuner. Ggn50, 60 Kun51, 61 Tgn51 Lan50.Theft Deterrent.Theft Deterrent System.Theft Deterrent System Engine Hood Courtesy Switch Circuit

  1. Disconnect the E2 switch connector.

  1. Disconnect the T16 ECU connector.

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

    Standard resistance:
    Tester Connection
    		Specified Condition
    E2-1 - T16-9 (DSWH)
    		Below 1 Ω
    E2-1 or T16-9 (DSWH) - Body ground
    		10 kΩ or higher
    E2-2 - Body ground
    		Below 1 Ω


NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE