Lighting System Terminals Of Ecu

Vehicle Interior. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Lighting (Int). Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25

  1. CHECK THEFT WARNING ECU ASSEMBLY (w/ Theft Deterrent System)

Lighting System -- Terminals Of Ecu



CHECK THEFT WARNING ECU ASSEMBLY (w/ Theft Deterrent System)

Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25.Lighting (Int).Lighting System.Lighting System Terminals Of Ecu

  1. Disconnect the G29 theft warning ECU 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
    G29-4 (+B1) - Body ground
    		L-Y - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    G29-14 (+B2) - Body ground
    		G - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    G29-18 (IG) - Body ground
    		R-L - Body ground
    		Ignition power supply
    		Ignition switch ON
    		11 to 14 V
    Ignition switch off
    		Below 1 V
    G29-1 (E) - Body ground
    		B-W - Body ground
    		Ground
    		Always
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the G29 theft warning ECU connector.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    G29-3 (DMLP) - Body ground
    		P - Body ground
    		Interior lights signal
    		Interior lights on
    		Below 1 V
    Interior lights off
    		11 to 14 V
    G29-7 (CTY) - Body ground
    		R-L - Body ground
    		All courtesy switch signals
    		Driver side, front passenger side, rear RH* or rear LH* door closed
    		11 to 14 V
    Driver side, front passenger side, rear RH* or rear LH* door open
    		Below 1 V
    1. *: for Double Cab
    If the result is not as specified, the theft warning ECU may have a malfunction.