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

Key Reminder Warning System -- Terminals Of Ecu



CHECK MAIN BODY ECU

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


Text in Illustration
*1
Cowl Side Junction Block LH
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Land Cruiser. Urj200, 202 Grj200 Vdj200.Door Lock.Power Door Lock Control System.Key Reminder Warning System  Terminals Of Ecu


Text in Illustration
*1
Main Body ECU
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  1. Remove the main body ECU from the cowl side junction block LH.
    for LHD: Click here
    for RHD: Click here

  2. Connect the cowl side junction block LH connectors.

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    A-11 (GND1) - Body ground
    None - Body ground
    Ground
    Always
    Below 1 Ω
    A-30 (ACC) - Body ground
    None - Body ground
    ACC power supply
    ignition switch ACC
    11 to 14 V
    ignition switch off
    Below 1 V
    A-31 (BECU) - Body ground
    None - Body ground
    Battery power supply
    Always
    11 to 14 V
    A-32 (IG) - Body ground
    None - Body ground
    IG power supply
    ignition switch ON
    11 to 14 V
    ignition switch off
    Below 1 V
    If the result is not as specified, there may be a malfunction on the wire harness side.
  4. Install the main body ECU to the cowl side junction block LH.
    for LHD: Click here
    for RHD: Click here

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

    Terminal No. (Symbol)
    Wiring Color
    Terminal Description
    Condition
    Specified Condition
    2J-28 (KSW) - Body ground
    G - Body ground
    Key unlock warning switch input
    No key in ignition key cylinder
    Pulse generation
    Key in ignition key cylinder
    Below 1 V
    E118-6 (FLCY) - Body ground
    V - Body ground
    Front door courtesy light switch assembly LH input signal
    Front door LH open
    Front door LH open
    Front door LH closed
    Pulse generation
    E118-27 (FRCY) - Body ground
    V - Body ground
    Front door courtesy light switch assembly RH input signal
    Front door RH open
    Below 1 V
    Front door RH closed
    Pulse generation
    If the result is not as specified, the ECU may have a malfunction.