Theft Deterrent System Terminals Of Ecu

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

  1. CHECK THEFT WARNING ECU ASSEMBLY

Theft Deterrent System -- Terminals Of Ecu



CHECK THEFT WARNING ECU ASSEMBLY


    Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Theft Deterrent Keyless Entry.Engine Immobiliser System.Theft Deterrent System Terminals Of Ecu

  1. Disconnect the G29 theft warning ECU assembly connector.

  2. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G29-1 (E) - Body ground
    		B-W - Body ground
    		Ground
    		Always
    		Below 1 Ω
    G29-4 (+B1) - G29-1 (E)
    		L-Y - B-W
    		Battery power supply (power supply for ECU)
    		Always
    		11 to 14 V
    G29-14 (+B2) - G29-1 (E)
    		G - B-W
    		Battery power supply (for actuator operation)
    		Always
    		11 to 14 V
    G29-18 (IG) - G29-1 (E)
    		R-L - B-W
    		Ignition power supply
    		Ignition switch off
    		Below 1 V
    Ignition switch ON
    		11 to 14 V
    1. If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the G29 theft warning ECU assembly connector.

  4. Measure the resistance and voltage according to the value(s) in the table below.

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G29-5 (KSW) - Body ground
    		G-Y - Body ground
    		Unlock warning switch input signal
    		No key in ignition key cylinder
    		10 kΩ or higher
    Key inserted in ignition key cylinder
    		Below 1 Ω
    G29-7 (CTY) - G29-1 (E)
    		R-L - B-W
    		All courtesy light switches input signal
    		One or more doors open
    		Below 1 V
    All doors closed
    		11 to 14 V
    G29-9 (DSWH) - G29-1 (E)
    		G-R - B-W
    		Hood lock assembly (security courtesy switch) input signal
    		Engine hood fully closed
    		Below 1 Ω
    Engine hood open
    		10 kΩ or higher
    G29-11 (HORN) - G29-1 (E)
    		W-R - B-W
    		Vehicle horns output signal
    		Alarm sounding state
    		Below 1 V
    Armed state
    		11 to 14 V
    G29-12 (SRLY) - G29-1 (E)*
    		W-B - B-W
    		Starter cut output signal
    		Armed state
    		11 to 14 V
    Alarm sounding state
    		Below 1 V
    G29-13 (SH-) - G29-1 (E)
    		B - B-W
    		Security horn output signal
    		Security horn assembly is sounding
    (theft deterrent system is in alarm sounding state)
    		Alternating between below 1 V and 11 to 14 V
    G29-27 (IND) - G29-1 (E)
    		G-R - B-W
    		Security indicator light assembly output signal
    		Security indicator light is flashing
    (theft deterrent system is operating)
    		Alternating between
    below 1 V and 11 to 14 V
    G29-28 (HAZD) - G29-1 (E)
    		G-O - B-W
    		All hazard warning light output signals
    		Hazard warning lights and side turn signal lights are flashing
    (theft deterrent system is in alarm sounding state)
    		Below 1 V
    1. *: w/o Engine Immobiliser System
    2. If the result is not as specified, the theft warning ECU assembly may have a malfunction.