METER / GAUGE SYSTEM, Diagnostic DTC:B1507, B1508

DTC Code DTC Name
B1507 Open in Turn Signal Circuit
B1508 Short in Turn Signal / Hazard Flasher Circuit

DESCRIPTION

These DTCs are stored when the combination meter assembly detects an open in a turn signal light circuit, a short in a turn signal light circuit, or a short in the hazard warning light circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note
B1507 Open in Turn Signal Circuit

When IG voltage is 9.5 V or more and the following condition is detected:


  • Open in turn signal light circuit


  • Bulb

  • Harness or connector

  • Instrument panel junction block assembly

  • Combination meter assembly

DTC stored -
B1508 Short in Turn Signal / Hazard Flasher Circuit

When IG voltage is 9.5 V or more and the following condition is detected:


  • Short in turn signal light circuit or hazard warning light circuit


  • Bulb

  • Harness or connector

  • Instrument panel junction block assembly

  • Combination meter assembly

DTC stored -

WIRING DIAGRAM


  1. for Hatchback

    A01TD2JE01
  2. for Sedan

    A01TDR7E02

CAUTION / NOTICE / HINT

Note

Inspect the bulbs for this system before performing the following procedure.

Rear combination light assembly (for Sedan): Click here

Rear combination light assembly (for Hatchback): Click here

PROCEDURE


  1. CONFIRM VEHICLE TYPE


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for Hatchback A
      for Sedan B

    B
    A
  2. INSPECT LIGHTS


    1. Inspect the illumination of each turn signal light.

      Result
      Result Proceed to
      Turn signal lights for one side do not illuminate. A
      Front turn signal light does not illuminate. B
      Rear turn signal light does not illuminate. C
      Side turn signal light does not illuminate. D

    B
    C
    D
    A
  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the E45 combination meter assembly connector.

    2. Disconnect the 3D instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      E45-13 (LL) - 3D-36 Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      E45-7 (LR) - 3D-45 Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      E45-13 (LL) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      E45-7 (LR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  4. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the A160*1 or A161*2 headlight assembly connector.


      • *1: for LH

      • *2: for RH

    2. Disconnect the 3A instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      A160-1 (B) - 3A-36 Always Below 1 Ω
      A160-2 (E) - Body ground Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      A161-1 (B) - 3A-47 Always Below 1 Ω
      A161-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      A160-1 (B) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      A161-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  5. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the L3*1 or L4*2 rear combination light assembly connector.


      • *1: for LH

      • *2: for RH

    2. Disconnect the 3E instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      L3-4 (TRN) - 3E-26 Always Below 1 Ω
      L3-3 (E) - Body ground Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      L4-4 (TRN) - 3E-33 Always Below 1 Ω
      L4-3 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      L3-4 (TRN) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      L4-4 (TRN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  6. CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the H8*1 or G8*2 side turn signal light assembly connector.


      • *1: for LH

      • *2: for RH

    2. Disconnect the 3D instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      H8-1 (B) - 3D-37 Always Below 1 Ω
      H8-2 (E) - Body ground Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      G8-1 (B) - 3D-46 Always Below 1 Ω
      G8-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      H8-1 (B) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      G8-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  7. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      for LHD: Click here

      for RHD: Click here

      A01TBEEC01
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      - -
    2. Front turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3A-36 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3A-47 Always Below 1 Ω
    3. Rear turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3E-26 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3E-33 Always Below 1 Ω
    4. Side turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3D-37 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3D-46 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG
  8. INSPECT LIGHTS


    1. Inspect the illumination of each turn signal light.

      Result
      Result Proceed to
      Turn signal lights for one side do not illuminate. A
      Front turn signal light does not illuminate. B
      Rear turn signal light does not illuminate. C
      Side turn signal light does not illuminate. D

    B
    C
    D
    A
  9. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the E45 combination meter assembly connector.

    2. Disconnect the 3D instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      E45-13 (LL) - 3D-36 Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      E45-7 (LR) - 3D-45 Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      E45-13 (LL) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      E45-7 (LR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  10. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the A145*1 or A149*2 headlight assembly connector.


      • *1: for LH

      • *2: for RH

    2. Disconnect the 3A instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      A145-1 (B) - 3A-36 Always Below 1 Ω
      A145-2 (E) - Body ground Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      A149-1 (B) - 3A-47 Always Below 1 Ω
      A149-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      A145-1 (B) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      A149-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  11. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. Disconnect the L68*1 or L64*2 rear combination light assembly connector.


      • *1: for LH

      • *2: for RH

    2. Disconnect the 3E instrument panel junction block assembly connector.

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

      Standard Resistance (Check for Open)
      for LH
      Tester Connection Condition Specified Condition
      L68-1 (TRN) - 3E-26 Always Below 1 Ω
      L68-2 (E) - Body ground Always Below 1 Ω
      for RH
      Tester Connection Condition Specified Condition
      L64-1 (TRN) - 3E-33 Always Below 1 Ω
      L64-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      for LH
      Tester Connection Condition Specified Condition
      L68-1 (TRN) - Body ground Always 10 kΩ or higher
      for RH
      Tester Connection Condition Specified Condition
      L64-1 (TRN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK
    NG
  12. CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)


    1. w/o Retractable Mirror


      1. Disconnect the H16*1 or G16*2 side turn signal light assembly connector.


        • *1: for LH

        • *2: for RH

      2. Disconnect the 3D instrument panel junction block assembly connector.

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

        Standard Resistance (Check for Open)
        for LH
        Tester Connection Condition Specified Condition
        H16-1 (B) - 3D-37 Always Below 1 Ω
        H16-2 (E) - Body ground Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        G16-1 (B) - 3D-46 Always Below 1 Ω
        G16-2 (E) - Body ground Always Below 1 Ω
        Standard Resistance (Check for Short)
        for LH
        Tester Connection Condition Specified Condition
        H16-1 (B) - Body ground Always 10 kΩ or higher
        for RH
        Tester Connection Condition Specified Condition
        G16-1 (B) - Body ground Always 10 kΩ or higher
    2. w/ Retractable Mirror


      1. Disconnect the H8*1 or G8*2 side turn signal light assembly connector.


        • *1: for LH

        • *2: for RH

      2. Disconnect the 3D instrument panel junction block assembly connector.

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

        Standard Resistance (Check for Open)
        for LH
        Tester Connection Condition Specified Condition
        H8-1 (B) - 3D-37 Always Below 1 Ω
        H8-2 (E) - Body ground Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        G8-1 (B) - 3D-46 Always Below 1 Ω
        G8-2 (E) - Body ground Always Below 1 Ω
        Standard Resistance (Check for Short)
        for LH
        Tester Connection Condition Specified Condition
        H8-1 (B) - Body ground Always 10 kΩ or higher
        for RH
        Tester Connection Condition Specified Condition
        G8-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG
    OK
  13. INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY


    1. Remove the main body ECU (multiplex network body ECU) from the instrument panel junction block assembly.

      for LHD: Click here

      for RHD: Click here

      A01TBEEC01
      *a

      Component without harness connected

      (Instrument Panel Junction Block Assembly)

      - -
    2. Front turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3A-36 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3A-47 Always Below 1 Ω
    3. Rear turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3E-26 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3E-33 Always Below 1 Ω
    4. Side turn signal light


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

        Standard Resistance
        for LH
        Tester Connection Condition Specified Condition
        3D-36 - 3D-37 Always Below 1 Ω
        for RH
        Tester Connection Condition Specified Condition
        3D-45 - 3D-46 Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK
    NG