LIN COMMUNICATION SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    A0052HQE02

    1. Disconnect the D80, DB and DE ECU connectors.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D80-4 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DE-17 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DB-30 (BECU) - Body ground W - Body ground Battery power supply Always 11 to 14 V

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

  2. CHECK POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY

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    Text in Illustration
    *1 for LHD *2 for RHD

    1. Disconnect the E14*1 or E8*2 master switch connector.

      *1: for LHD

      *2: for RHD

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E14-11 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      E14-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E8-11 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      E8-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  3. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY LH

    A0054KYE02
    Text in Illustration
    *1 for LHD *2 for RHD

    1. Disconnect the E15*1 or E20*2 regulator connector.

      *1: for LHD

      *2: for RHD

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E15-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
      E15-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E20-2 (B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
      E20-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  4. CHECK FRONT DOOR WINDOW REGULATOR ASSEMBLY RH

    A0057IWE02

    1. Disconnect the E6 regulator connector.

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

      for LHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E6-2 (B) - Body ground G - Body ground Battery power supply Always 11 to 14 V
      E6-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      E6-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
      E6-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  5. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY LH (w/ Rear Door Power Window)

    A0052V3E02

    1. Disconnect the F9 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F9-2 (B) - Body ground BR - Body ground Battery power supply Always 11 to 14 V
      F9-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  6. CHECK REAR DOOR WINDOW REGULATOR ASSEMBLY RH (w/ Rear Door Power Window)

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    1. Disconnect the F4 regulator connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      F4-2 (B) - Body ground L - Body ground Battery power supply Always 11 to 14 V
      F4-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  7. CHECK SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY (w/ Roof Sunshade System)

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    1. Disconnect the K9 drive gear connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K9-1 (B) - Body ground B - Body ground Battery power supply Always 11 to 14 V
      K9-3 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  8. CHECK CERTIFICATION ECU (w/ Entry and Start System)

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    1. Disconnect the D54 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D54-1 (+B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      D54-15 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  9. CHECK POWER MANAGEMENT CONTROL ECU (w/ Entry and Start System)

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    1. Disconnect the D109 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D109-1 (AM22) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      D109-2 (AM21) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      D109-6 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      D109-5 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω

  10. CHECK ID CODE BOX (w/ Entry and Start System)

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    1. Disconnect the D26 ECU connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D26-1 (+B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      D26-8 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

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

  11. CHECK STEERING LOCK ECU (w/ Entry and Start System)

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    Text in Illustration
    *1 for Power Tilt and Power Telescopic Steering Column *2 for Manual Tilt and Manual Telescopic Steering Column

    1. Disconnect the D108*1 or D57*2 ECU connector.

      *1: for Power Tilt and Power Telescopic Steering Column

      *2: for Manual Tilt and Manual Telescopic Steering Column

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

      for Power Tilt and Power Telescopic Steering Column
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D108-2 (B) - Body ground LG - Body ground Battery power supply Always 11 to 14 V
      D108-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for Manual Tilt and Manual Telescopic Steering Column
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D57-7 (B) - Body ground LG - Body ground Battery power supply Always 11 to 14 V
      D57-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  12. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (A/C ECU)

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    Text in Illustration
    *1 for Automatic Air Conditioning System *2 for Manual Air Conditioning System

    1. Disconnect the D47*1 or D101*2 amplifier connector.

      *1: for Automatic Air Conditioning System

      *2: for Manual Air Conditioning System

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

      for Automatic Air Conditioning System
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D47-1 (IG+) - Body ground Y - Body ground IG power supply Ignition switch off Below 1 V
      D47-1 (IG+) - Body ground Y - Body ground IG power supply Ignition switch ON 11 to 14 V
      D47-21 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      D47-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for Manual Air Conditioning System
      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D101-1 (IG+) - Body ground Y - Body ground IG power supply Ignition switch off Below 1 V
      D101-1 (IG+) - Body ground Y - Body ground IG power supply Ignition switch ON 11 to 14 V
      D101-21 (B) - Body ground R - Body ground Battery power supply Always 11 to 14 V
      D101-14 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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

  13. CHECK AIR CONDITIONING CONTROL ASSEMBLY

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    1. Disconnect the D12 control connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      D12-5 (IG+) - Body ground P - Body ground IG power supply Ignition switch off Below 1 V
      D12-5 (IG+) - Body ground P - Body ground IG power supply Ignition switch ON 11 to 14 V
      D12-11 (GND) - Body ground BR - Body ground Ground Always Below 1 Ω

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

  14. CHECK RAIN SENSOR (w/ Rain Sensor)

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    1. Disconnect the K5 sensor connector.

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

      Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
      K5-3 (SIG) - Body ground P - Body ground IG power supply Ignition switch off Below 1 V
      K5-3 (SIG) - Body ground P - Body ground IG power supply Ignition switch ON 11 to 14 V
      K5-2 (ES) - Body ground LG - Body ground Ground Always Below 1 V

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

  15. CHECK WINDSHIELD WIPER RELAY ASSEMBLY (w/ Rain Sensor)

    A0054RCE02

    1. Disconnect the D60 relay connector.

    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
      D60-2 (IG) - Body ground L - Body ground IG power supply Ignition switch off Below 1 V
      D60-2 (IG) - Body ground L - Body ground IG power supply Ignition switch ON 11 to 14 V
      D60-12 (E) - Body ground BR - Body ground Ground Always Below 1 Ω

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

  16. CHECK DOUBLE LOCK DOOR CONTROL RELAY (w/Double Locking System)

    A0057XCE02

    1. Disconnect the D162 relay connector.

    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
      D162-11 (CPUB) - Body ground W - Body ground Battery power supply Always 11 to 14 V
      D162-12 (+B) - Body ground B - Body ground Battery power supply Always 11 to 14 V
      D162-7 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω

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