LIN COMMUNICATION SYSTEM TERMINALS OF ECU


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

    A000XEXE04

    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 (GND1) - Body ground W-B - Body ground Ground Always Below 1 Ω
      DA-40 (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

    A000XRXE04

    1. Disconnect the N13 master switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N13-11 (B) - N13-12 (GND) B - R Battery power supply Always 11 to 14 V
      N13-12 (GND) - Body ground R - 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 POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side)

    A000U8CE01

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


      • *1: for LHD

      • *2: for RHD

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

      for LHD
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N11-2 (B) - N11-1 (E) BE - B Battery power supply Always 11 to 14 V
      N11-1 (E) - Body ground B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      N3-2 (B) - N3-1 (E) BE - B Battery power supply Always 11 to 14 V
      N3-1 (E) - Body ground 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 POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side)

    A000VKAE01

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


      • *1: for LHD

      • *2: for RHD

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

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

    A000YOKE03

    1. Disconnect the O19 motor connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O19-2 (B) - O19-1 (E) BE - B Battery power supply Always 11 to 14 V
      O19-1 (E) - Body ground 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 POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

    A000YA2E03

    1. Disconnect the O8 motor connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      O8-2 (B) - O8-1 (E) BE - B Battery power supply Always 11 to 14 V
      O8-1 (E) - Body ground 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 (SLIDING ROOF ECU) (w/ Sliding Roof System)

    A000X3FE03

    1. Disconnect the X5 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X5-1 (B) - X5-2 (E) B - W-B Battery power supply Always 11 to 14 V
      X5-2 (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

    A000Y1FE04

    1. Disconnect the L15 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L15-1 (+B1) - L15-17 (E) L - W-B Battery power supply Always 11 to 14 V
      L15-17 (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 ID CODE BOX

    A000UXVE04

    1. Disconnect the L32 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L32-1 (+B) - L32-8 (GND) L - W-B Battery power supply Always 11 to 14 V
      L32-8 (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.

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

    A000W0NE03

    1. Disconnect the L33 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L33-7 (B) - L33-1 (GND) P - W-B Battery power supply Always 11 to 14 V
      L33-1 (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.

  11. CHECK MULTIPLEX NETWORK FRONT LIGHT ECU (FRONT CONTROLLER)

    A000X8VE08

    1. Disconnect the A50 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      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 Power switch off Below 1 V
      A50-5 (FMIG) - A50-2 (E) Y - W-B IG power supply Power switch on (IG) 11 to 14 V
      A50-2 (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.

  12. CHECK RAIN SENSOR

    A000Y68E02

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


      • *1: w/ Lane-keeping Assist System

      • *2: w/o Lane-keeping Assist System

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

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

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

    A000YBGE08
    *1 LF

    1. Disconnect the LA and LD ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      LD-4 (MPXB) - LA-29 (SG) R - W-B Battery power supply Always 11 to 14 V
      LA-29 (SG) - 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.

  14. CHECK MAP LIGHT ASSEMBLY (OVERHEAD JUNCTION BLOCK)

    A000XWIE03

    1. Disconnect the X4 and X6 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      X4-6 (+B) - X4-16 (GND9) B - W-B Battery power supply Always 11 to 14 V
      X4-16 (GND9) - 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.

  15. CHECK OUTER MIRROR SWITCH

    A000TYME03

    1. Disconnect the L6 switch connector.

    2. Measure the voltage and resistance 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 Power switch off Below 1 V
      L6-11 (IG) - L6-1 (E) G - W-B IG power supply Power switch on (IG) 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

    A000XAUE02

    1. Disconnect the L75 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L75-1 (B) - L75-5 (E) B - W-B Battery power supply Always 11 to 14 V
      L75-5 (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.

  17. CHECK FRONT SEAT CLIMATE CONTROL ECU LH

    A000Z6CE02

    1. Disconnect the e34 ECU connector.

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

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

  18. CHECK FRONT SEAT CLIMATE CONTROL ECU RH

    A000VBDE02

    1. Disconnect the e4 ECU connector.

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

      for LHD
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e4-1 (IG) - e4-12 (GND) Y - W-B IG power supply Power switch off Below 1 V
      e4-1 (IG) - e4-12 (GND) Y - W-B IG power supply Power switch on (IG) 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
      e4-12 (GND) - Body ground W-B - Body ground Ground Always Below 1 Ω
      for RHD
      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      e4-1 (IG) - e4-12 (GND) GR - W-B IG power supply Power switch off Below 1 V
      e4-1 (IG) - e4-12 (GND) GR - W-B IG power supply Power switch on (IG) 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
      e4-12 (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.

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

    A000ZOYE05

    1. Disconnect the L76 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      L76-5 (IG+) - L76-1 (GND) V - W-B IG power supply Power switch off Below 1 V
      L76-5 (IG+) - L76-1 (GND) V - W-B IG power supply Power switch on (IG) 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
      L76-1 (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.

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

    A000XPLE02

    1. Disconnect the z54 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      z54-14 (B) - z54-9 (E) W - W-B Battery power supply Always 11 to 14 V
      z54-9 (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.

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

    A000TMPE03

    1. Disconnect the S15 switch connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S15-6 (B) - S15-1 (E) W - W-B Battery power supply Always 11 to 14 V
      S15-1 (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.

  22. CHECK POSITION CONTROL ECU RH (w/ Rear Power Seat Control System)

    A000VVSE03

    1. Disconnect the f4 and f39 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f4-1 (+B) - f4-6 (GND) L - W-B Battery power supply Always 11 to 14 V
      f39-16 (SYSB) - f4-6 (GND) R - W-B Battery power supply Always 11 to 14 V
      f39-26 (SEL) - f39-25 (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/ Rear Power Seat Control System)

    A000ZLPE03

    1. Disconnect the f24 and f43 ECU connectors.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f24-1 (+B) - f24-6 (GND) L - W-B Battery power supply Always 11 to 14 V
      f43-16 (SYSB) - f24-6 (GND) R - W-B Battery power supply Always 11 to 14 V
      f43-23 (SGND) - 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.

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

    A000ZM1E02

    1. Disconnect the f8 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f8-1 (IG) - f8-12 (GND) Y - W-B IG power supply Power switch off Below 1 V
      f8-1 (IG) - f8-12 (GND) Y - W-B IG power supply Power switch on (IG) 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
      f8-12 (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.

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

    A000XZVE02

    1. Disconnect the f28 ECU connector.

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

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

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

    A000TDNE02

    1. Disconnect the f13 ECU connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      f13-1 (AMP) - f13-12 (GND) L - W-B IG power supply Power switch off Below 1 V
      f13-1 (AMP) - f13-12 (GND) L - W-B IG power supply Power switch on (IG) 11 to 14 V
      f13-2 (SYSB) - f13-12 (GND) G - W-B Battery power supply Always 11 to 14 V
      f13-12 (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.

  27. CHECK SEAT VIBRATOR MODULE ASSEMBLY (w/ Seat Vibration System [for Ottoman])

    A000W7YE06

    1. Disconnect the S29 module connector.

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

      Terminal No. (Symbols) Wiring Color Terminal Description Condition Specified Condition
      S29-1 (IG) - S29-8 (GND) BR - W-B IG power supply Power switch off Below 1 V
      S29-1 (IG) - S29-8 (GND) BR - W-B IG power supply Power switch on (IG) 11 to 14 V
      S29-8 (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.