Key Reminder Warning System Terminals Of Ecu

Vehicle Interior. Land Cruiser. Urj200, 202 Grj200 Vdj200
Door Lock. Land Cruiser. Urj200, 202 Grj200 Vdj200

  1. CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

Key Reminder Warning System -- Terminals Of Ecu



CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH)

Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Key Reminder Warning System Terminals Of Ecu

  1. Disconnect the 2A, 2B, 2D and E4 ECU connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    2B-20 (BATB) - Body ground
    		L - Body ground
    		Battery power supply
    		Always
    		11 to 14 V
    2A-1 (ACC) - Body ground
    		B - Body ground
    		ACC power supply
    		Ignition switch ACC
    		11 to 14 V
    2A-1 (ACC) - Body ground
    		B - Body ground
    		ACC power supply
    		Ignition switch off
    		Below 1 Ω
    2D-62 (GND2) - Body ground
    		W-B - Body ground
    		Ground
    		Always
    		Below 1 Ω
    E4-5 (KSW) - Body ground
    		BR - Body ground
    		Unlock warning switch input
    		No key in ignition key cylinder
    		10 kΩ or higher
    E4-5 (KSW) - Body ground
    		BR - Body ground
    		Unlock warning switch input
    		Key inserted in ignition key cylinder
    		Below 1 Ω
    If the result is not as specified, there may be a malfunction on the wire harness side.

  3. Reconnect the 2A, 2B, 2D and E4 ECU connectors.

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

    Terminal No. (Symbol)
    		Wiring Color
    		Terminal Description
    		Condition
    		Specified Condition
    E1-24 (DCTY) - Body ground
    		L*1 - Body ground
    Y*2 - Body ground
    		Driver side door courtesy switch input
    		Driver side door open
    		Below 1 V
    E1-24 (DCTY) - Body ground
    		L*1 - Body ground
    Y*2 - Body ground
    		Driver side door courtesy switch input
    		Ignition switch off, and driver side door courtesy switch off
    		Pulse generation
    HINT:
    *1: for LHD
    *2: for RHD
    If the result is not as specified, the ECU may have a malfunction.