Theft Deterrent System Ignition 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

INSPECT IGNITION SWITCH ASSEMBLY

CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - BATTERY AND BODY GROUND)

THEFT DETERRENT SYSTEM - Ignition Switch Circuit


DESCRIPTION

When the ignition switch assembly is turned to ON, voltage is applied to terminal IG of the theft warning ECU assembly.

WIRING DIAGRAM


Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Ignition Switch Circuit


INSPECTION PROCEDURE

NOTICE:
  1. Inspect the fuses for circuits related to this system before performing the following inspection procedure.
  2. When replacing the theft warning ECU assembly, refer to the registration procedures (HILUX_TGN26 RM000000Z4Z01KX.html).
1.INSPECT IGNITION SWITCH ASSEMBLY
Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Ignition Switch Circuit

  1. Remove the ignition switch assembly.

    1. for 2TR-FE: HILUX_TGN26 RM00000135Z01BX.html
    2. for 2TR-FBE: HILUX_TGN26 RM00000135Z01GX.html
    3. for 1KD-FTV: HILUX_TGN26 RM0000013XF01HX.html
    4. for 2KD-FTV: HILUX_TGN26 RM0000013XF01IX.html

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

    Standard Resistance:
    Tester Connection
    		Switch Condition
    		Specified Condition
    1 (IG1) - 4 (AM1)
    		Off, ACC
    		10 kΩ or higher
    ON, Start
    		Below 1 Ω
    Result
    Result
    		Proceed to
    OK
    		A
    NG (for 2TR-FE)
    		B
    NG (for 2TR-FBE)
    		C
    NG (for 1KD-FTV)
    		D
    NG (for 2KD-FTV)
    		E


B
REPLACE IGNITION SWITCH ASSEMBLY (HILUX_TGN26 RM00000135Z01BX.html)

C
REPLACE IGNITION SWITCH ASSEMBLY (HILUX_TGN26 RM00000135Z01GX.html)

D
REPLACE IGNITION SWITCH ASSEMBLY (HILUX_TGN26 RM0000013XF01HX.html)

E
REPLACE IGNITION SWITCH ASSEMBLY (HILUX_TGN26 RM0000013XF01IX.html)
A


2.CHECK HARNESS AND CONNECTOR (THEFT WARNING ECU - BATTERY AND BODY GROUND)


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Ignition Switch Circuit

  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
    G29-1 (E) - Body ground
    		Always
    		Below 1 Ω

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

    Standard Voltage:
    Tester Connection
    		Switch Condition
    		Specified Condition
    G29-18 (IG) - Body ground
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		11 to 14 V
Text in Illustration
*a
Front view of wire harness connector
(to Theft Warning ECU Assembly)


NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

REPLACE THEFT WARNING ECU ASSEMBLY (HILUX_TGN26 RM000004QXI007X.html)