LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2006 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> (Door / Hatch) >> Luggage Compartment Door Opener System >> Terminals Of Ecu

Terminals Of Ecu

  1. CHECK MAIN BODY ECU RH 
    1. Disconnect the RD and RK junction block connectors.
    2. Disconnect the J75 ECU connector.
      Fig 1: Identifying Main Body ECU RH
      G04051277Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Measure the resistance and voltage according to the value(s) in SYMBOLS TERMINAL DESCRIPTION SPECIFIED CONDITION TABLE  .
      SYMBOLS TERMINAL DESCRIPTION SPECIFIED CONDITION TABLE

      Symbols (Terminal No. Wiring Color Terminal Description Condition Specified Condition
      BECU (RK-5 ) - Body ground G-R - Body ground Battery (power supply) Always 10 to 14 V
      GND1 (RD-17) - Body ground W-B - Body ground Ground Always Below 1 ohms
      GND2 (RD-7) - Body ground W-B - Body ground Ground Always Below 1 ohms

      If the result is not as specified, there may be a malfunction on the wire harness side.

    4. Reconnect the RD and RK junction block connectors.
    5. Reconnect the J75 ECU connector.
    6. Measure the voltage according to the value(s) in SYMBOLS TERMINAL DESCRIPTION SPECIFIED CONDITION TABLE  .
      SYMBOLS TERMINAL DESCRIPTION SPECIFIED CONDITION TABLE

      Symbols (Terminal No. Wiring Color Terminal Description Condition Specified Condition
      TSW (J75-2) - Body ground LG - Body ground Luggage compartment door main opener switch signal input Luggage compartment door main opener switch OFF 10 to 14 V
      Luggage compartment door main opener switch ON Below 1 V
      TKUL (J75-3) - Body ground P - Body ground Luggage compartment door opener switch signal input Luggage compartment door opener switch OFF 10 to 14 V
      Luggage compartment door opener switch ON Below 1 V

      If the result is not as specified, the ECU may have a malfunction.