SEAT BELT WARNING SYSTEM TERMINALS OF ECU


  1. CHECK NO. 1 METER ECU SUB-ASSEMBLY


    1. Disconnect the L124 No. 1 meter ECU sub-assembly connector.

      A01H1HHE02
    2. Measure the resistance and voltage according to the value(s) in the table below.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L124-14 (IG2) - Body ground L - Body ground

      Ignition power supply

      (IG signal)

      Power switch off Below 1 V
      Power switch on (IG) 11 to 14 V
      L124-13 (B) - Body ground P - Body ground Auxiliary battery power supply Always 11 to 14 V
      L124-18 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω
    3. Reconnect the L124 No. 1 meter ECU sub-assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      L124-24 (EPB) - Body ground L - Body ground Parking brake switch signal Power switch on (IG), parking brake switch off 11 to 14 V
      Power switch on (IG), parking brake switch on Below 1.5 V
  2. CHECK CENTER AIRBAG SENSOR ASSEMBLY

    A01GZPME03
    Terminal No. Terminal Symbol Destination
    S8-10*1 LBE+ Front seat inner belt assembly LH
    R5-15*1 RBE+ Front seat inner belt assembly RH
    R5-16*1 FSR+ Occupant detection sensor
    R5-22*1 FSR- Occupant detection sensor
    R5-15*2 RBE+ Front seat inner belt assembly RH
    S8-9*2 FSL+ Occupant detection sensor
    S8-10*2 LBE+ Front seat inner belt assembly LH
    S8-19*2 FSL- Occupant detection sensor

    • *1: for LHD

    • *2: for RHD