Theft Deterrent System Driver Side Door Courtesy Switch Circuit

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Theft Deterrent Keyless Entry. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK COMBINATION METER ASSEMBLY

CHECK HARNESS AND CONNECTOR (COMBINATION METER - THEFT WARNING ECU)

INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH

CHECK HARNESS AND CONNECTOR (COMBINATION METER - FRONT DOOR COURTESY LIGHT SWITCH LH)

THEFT DETERRENT SYSTEM - Driver Side Door Courtesy Switch Circuit


DESCRIPTION

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

WIRING DIAGRAM


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Driver Side Door Courtesy Switch Circuit


INSPECTION PROCEDURE

1.CHECK COMBINATION METER ASSEMBLY

  1. When the driver side door is opened/closed, check that the indicator in the combination meter assembly operates normally.

    OK:
    Indicator operates normally.


NG
Go to step 3
OK


2.CHECK HARNESS AND CONNECTOR (COMBINATION METER - THEFT WARNING ECU)

  1. Disconnect the G19 combination meter assembly connector.

  1. Disconnect the G29 theft warning ECU assembly connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G19-17 (DOOR) - G29-7 (CTY)
    		Always
    		Below 1 Ω
    G19-17 (DOOR) or G29-7 (CTY) - Body ground
    		Always
    		10 kΩ or higher

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

    Standard Voltage:
    Tester Connection
    		Condition
    		Specified Condition
    G19-17 (DOOR) - Body ground
    		Always
    		11 to 14 V


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE (HILUX_TGN26 RM000001J8N01BX.html)

3.INSPECT FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Driver Side Door Courtesy Switch Circuit

  1. Remove the front door courtesy light switch assembly LH (HILUX_TGN26 RM000003YNE014X.html).

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

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 - Body ground
    		Not pushed (ON)
    		Below 1 Ω
    Pushed (OFF)
    		10 kΩ or higher
    Text in Illustration
    *a
    		Not pushed (ON)
    *b
    		Pushed (OFF)
    *c
    		Body ground


NG
REPLACE FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH (HILUX_TGN26 RM000003YNE014X.html)
OK


4.CHECK HARNESS AND CONNECTOR (COMBINATION METER - FRONT DOOR COURTESY LIGHT SWITCH LH)

  1. Disconnect the G19 combination meter assembly connector.

  1. Disconnect the K4 front door courtesy light switch assembly LH connector.

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

    Standard Resistance:
    Tester Connection
    		Condition
    		Specified Condition
    G19-16 (DCTY) - K4-1
    		Always
    		Below 1 Ω
    G19-16 (DCTY) or K4-1 - Body ground
    		Always
    		10 kΩ or higher


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE COMBINATION METER ASSEMBLY (HILUX_TGN26 RM000000THS02OX.html)