SEAT BELT WARNING SYSTEM TERMINALS OF ECU


  1. COMBINATION METER ASSEMBLY


    1. Disconnect the F15 combination meter assembly connector.

      A01NF7GE06

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

      Tech Tips

      Measure the values on the wire harness side with the connector disconnected.

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      F15-10 (P/SB) - Body ground GR - Body ground Front passenger side seat belt buckle switch signal Front passenger side seat occupied, seat belt fastened 10 kΩ or higher
      F15-10 (P/SB) - Body ground GR - Body ground Front passenger side seat belt buckle switch signal Front passenger side seat occupied, seat belt unfastened Below 1 Ω
      F15-12 (RRSB) - Body ground P - Body ground Rear RH side seat belt buckle switch signal Rear RH side seat belt fastened 10 kΩ or higher
      F15-12 (RRSB) - Body ground P - Body ground Rear RH side seat belt buckle switch signal Rear RH side seat belt unfastened Below 1 Ω
      F15-13 (RCSB) - Body ground SB - Body ground Rear center seat belt buckle switch signal Rear center seat belt fastened 10 kΩ or higher
      F15-13 (RCSB) - Body ground SB - Body ground Rear center seat belt buckle switch signal Rear center seat belt unfastened Below 1 Ω
      F15-14 (RLSB) - Body ground B - Body ground Rear LH side seat belt buckle switch signal Rear LH side seat belt fastened 10 kΩ or higher
      F15-14 (RLSB) - Body ground B - Body ground Rear LH side seat belt buckle switch signal Rear LH side seat belt unfastened Below 1 Ω
      F15-16 (E2) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

    3. Reconnect the F15 combination meter assembly connector.

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      F16-1 (IG+) - Body ground GR - Body ground Power switch power supply Power switch off Below 1 V
      F16-1 (IG+) - Body ground GR - Body ground Power switch power supply Power switch on (IG) 11 to 14 V
      F16-12 (PBLT) - Body ground L - Body ground Front passenger side seat belt warning light signal Power switch on (IG), front passenger side seat occupied, seat belt fastened 11 to 14 V
      F16-12 (PBLT) - Body ground L - Body ground Front passenger side seat belt warning light signal Power switch on (IG), front passenger side seat occupied, seat belt unfastened Below 1 V

      If the result is not as specified, the combination meter assembly may have a malfunction.

  2. ACCESSORY METER ASSEMBLY (w/o Navigation System)

    A01NGPDE03

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G1-2 (IG2) - Body ground LG - Body ground Power switch power supply Power switch on (IG) 11 to 14 V
      G1-2 (IG2) - Body ground LG - Body ground Power switch power supply Power switch off Below 1 V
      G1-6 (PBEW) - Body ground L - Body ground Front passenger side seat belt warning light signal Front passenger side seat occupied, seat belt fastened 11 to 14 V
      G1-6 (PBEW) - Body ground L - Body ground Front passenger side seat belt warning light signal Front passenger side seat occupied, seat belt unfastened Below 1 V

      • If the result is not as specified, the accessory meter assembly may have a malfunction.

  3. RADIO RECEIVER ASSEMBLY (w/ Navigation System)

    A01NE56E01

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

      Tester Connection Wiring Color Terminal Description Condition Specified Condition
      G8-15 (IG+) - Body ground Y - Body ground Power switch power supply Power switch off Below 1 V
      G8-15 (IG+) - Body ground Y - Body ground Power switch power supply Power switch on (IG) 11 to 14 V
      G8-2 (PBEW) - Body ground L - Body ground Front passenger side seat belt warning light signal Front passenger side seat occupied, seat belt fastened 11 to 14 V
      G8-2 (PBEW) - Body ground L - Body ground Front passenger side seat belt warning light signal Front passenger side seat occupied, seat belt unfastened Below 1 V

      If the result is not as specified, the radio receiver assembly may have a malfunction.

  4. CHECK CENTER AIRBAG SENSOR ASSEMBLY

    A01NDLCE31
    Terminal No. Terminal Symbol Destination
    P10-10*1 LBE+ Front seat inner belt assembly (for driver side)
    P10-18*1 LBE- Front seat inner belt assembly (for driver side)
    O8-15*2 RBE+ Front seat inner belt assembly (for driver side)
    O8-23*2 RBE- Front seat inner belt assembly (for driver side)

    • *1: for LHD

    • *2: for RHD