LIN COMMUNICATION SYSTEM TERMINALS OF ECU


  1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)

    A001D70E04

    1. Disconnect the DA, L12 and L13 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      DA-40 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DA-41 (GND2) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L12-1 (AM2) - DA-40 (GND2) W - W-B Battery power supply Always 11 to 14 V
      L13-6 (AM1) - DA-40 (GND2) W - W-B 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 MASTER SWITCH ASSEMBLY

    A00195XE04

    1. Disconnect the N13 master switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N13-12 (GND) - Body ground R - Body ground Ground Always Below 1 Ω
      N13-11 (B) - N13-12 (GND) B - R Ignition power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V

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

  3. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)

    A001DP9E01

    1. Disconnect the N11*1 or N3*2 motor connector.

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

      for LHD:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N11-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      N11-2 (B) - N11-1 (E) BE - B Battery power supply Always 11 to 14 V
      for RHD:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N3-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      N3-2 (B) - N3-1 (E) BE - B 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.

  4. CHECK FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)

    A001E1SE01

    1. Disconnect the N3*1 or N11*2 motor connector.

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

      for LHD:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N3-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      N3-2 (B) - N3-1 (E) BE - B Battery power supply Always 11 to 14 V
      for RHD:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N11-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      N11-2 (B) - N11-1 (E) BE - B 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.

  5. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

    A0019AHE03

    1. Disconnect the O19 motor connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O19-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      O19-2 (B) - O19-1 (E) BE - B 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.

  6. CHECK REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

    A001BW4E03

    1. Disconnect the O8 motor connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O8-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      O8-2 (B) - O8-1 (E) BE - B 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.

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

    A001C3LE03

    1. Disconnect the X5 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X5-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      X5-1 (B) - X5-2 (E) B - W-B 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.

  8. CHECK CERTIFICATION ECU

    A001DRKE04

    1. Disconnect the L15 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L15-17 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L15-1 (+B1) - L15-17 (E) L - W-B 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.

  9. CHECK IMMOBILISER CODE ECU (ID CODE BOX)

    A001DMKE04

    1. Disconnect the L32 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L32-8 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L32-1 (+B) - L32-8 (GND) L - W-B 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.

  10. CHECK STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

    A001FKRE03

    1. Disconnect the L33 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L33-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L33-7 (B) - L33-1 (GND) P - W-B 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.

  11. CHECK FRONT LIGHT ECU (FRONT CONTROLLER)

    A001FG0E08

    1. Disconnect the A50 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      A50-2 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      A50-1 (FMB3) - A50-2 (E) LG - W-B Battery power supply Always 11 to 14 V
      A50-5 (FMIG) - A50-2 (E) Y - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V

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

  12. CHECK RAIN SENSOR

    A001BT6E02

    1. Disconnect the X8*1 or X16*2 sensor connector.

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

      w/ Lane Keeping Assist System:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X8-1 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω
      X8-4 (SIG) - X8-1 (ES) LG- BR IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      w/o Lane Keeping Assist System:
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X16-1 (ES) - Body ground BR - Body ground Ground Always Below 1 Ω
      X16-4 (SIG) - X16-1 (ES) LG- BR IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V

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

  13. CHECK LUGGAGE ROOM JUNCTION BLOCK ASSEMBLY (REAR JUNCTION BLOCK ECU)

    A001AJ8E08
    *1 LF

    1. Disconnect the LA, LD and S62 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      LA-29 (SG) - Body ground W-B - Body ground Ground Always Below 1 Ω
      LD-4 (MPXB) - LA-29 (SG) R - W-B 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.

  14. CHECK MAP LIGHT ASSEMBLY (OVERHEAD JUNCTION ECU)

    A001CR1E03

    1. Disconnect the X4 and X6 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X4-16 (GND9) - Body ground W-B - Body ground Ground Always Below 1 Ω
      X4-6 (+B) - X4-16 (GND9) B - W-B 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.

  15. CHECK OUTER MIRROR SWITCH

    A001FU8E03

    1. Disconnect the L6 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L6-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L6-11 (IG) - L6-1 (E) G - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      L6-12 (B) - L6-1 (E) B - W-B 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.

  16. CHECK NO. 1 CONSOLE SWITCH

    A001DO7E02

    1. Disconnect the L75 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L75-5 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L75-1 (B) - L75-5 (E) B - W-B 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.

  17. CHECK FRONT SEAT CLIMATE CONTROL ECU LH

    A001BHEE02

    1. Disconnect the e34 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e34-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      e34-1 (IG) - e34-12 (GND) P - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      e34-2 (SYSB) - e34-12 (GND) R - W-B 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.

  18. CHECK FRONT SEAT CLIMATE CONTROL ECU RH

    A0019H6E02

    1. Disconnect the e4 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e4-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      e4-1 (IG) - e4-12 (GND)

      Y - W-B*1

      GR - W-B*2

      		 IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      e4-2 (SYSB) - e4-12 (GND) W - W-B Battery power supply Always 11 to 14 V
      e4-11 (VER) - Body ground W-B - Body ground Ground Always Below 1 Ω

      • *1: LHD

      • *2: RHD

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

  19. CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY

    A0019LME05

    1. Disconnect the L76 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L76-1 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      L76-5 (IG+) - L76-1 (GND) V - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      L76-6 (+B1) - L76-1 (GND) L - W-B Battery power supply Always 11 to 14 V
      L76-7 (+B2) - L76-1 (GND) L - W-B 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.

  20. CHECK REAR POWER SEAT MODULE SWITCH (except 4-Passemger with Ottoman)

    A001B2VE03

    1. Disconnect the r2 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      r2-9 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      r2-14 (B) - r2-9 (E) W - W-B 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.

  21. CHECK REAR POWER SEAT MODULE SWITCH (for 4-Passemger with Ottoman)

    A001F3RE03

    1. Disconnect the S15 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S15-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      S15-8 (B) - S15-1 (E) W - W-B 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.

  22. CHECK POSITION CONTROL ECU RH (w/ Seat Heater System or Climate Control Seat System)

    A001A6IE02

    1. Disconnect the f4 and f38 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f4-6 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f38-16 (SYSB) - f4-6 (GND) R - W-B Battery power supply Always 11 to 14V
      f38-26 (SEL) - f38-25 (SEL2) B - B Right or left identification Always Below 1 Ω

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

  23. CHECK POSITION CONTROL ECU LH (w/ Seat Heater System or Climate Control Seat System)

    A0019MVE02

    1. Disconnect the f41 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f41-6 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f41-16 (SYSB) - f41-6 (GND) R - W-B Battery power supply Always 11 to 14V

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

  24. CHECK REAR SEAT CLIMATE CONTROL ECU RH (w/ Seat Heater System or Climate Control Seat System)

    A001C0YE02

    1. Disconnect the f8 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f8-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f8-1 (IG) - f8-12 (GND) Y - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      f8-2 (SYSB) - f8-12 (GND) G - W-B Battery power supply Always 11 to 14 V
      f8-11 (VER) - 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.

  25. CHECK REAR SEAT CLIMATE CONTROL ECU LH (w/ Seat Heater System)

    A001FTME02

    1. Disconnect the f13 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f13-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f13-1 (IG) - f13-12 (GND) Y - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      f13-2 (SYSB) - f13-12 (GND) V - W-B 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.

  26. CHECK REAR SEAT CLIMATE CONTROL ECU LH (w/ Climate Control Seat System)

    A001F8WE02

    1. Disconnect the f28 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f28-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      f28-1 (IG) - f28-12 (GND) P - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V
      f28-2 (SYSB) - f28-12 (GND) V - W-B 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.

  27. CHECK SEAT VIBRATION MODULE ASSEMBLY (for Ottoman)

    A001F47E06

    1. Disconnect the S29 module connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S29-8 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      S29-1 (IG) - S29-8 (GND) BR - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V

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

  28. CHECK INFRARED RAY SENSOR (w/ Infrared Ray Sensor Unit)

    A001CD9E03

    1. Disconnect the X13 sensor connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X13-1 (E) - Body ground W-B - Body ground Ground Always Below 1 Ω
      X13-5 (IG) - Body ground LG - W-B IG power supply Engine switch off → Engine switch on (IG) Below 1 V → 11 to 14 V

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