METER / GAUGE SYSTEM, Diagnostic DTC:B1507 and 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

E262044E02

CAUTION / NOTICE / HINT

Note:

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

PROCEDURE

  1. 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

    CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)Click here

    C

    CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)Click here

    D

    CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)Click here

    A

  2. 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)

      Table 1. for LH

      Tester Connection

      Condition

      Specified Condition

      E45-13 (LL) - 3D-36

      Always

      Below 1 Ω
      Table 2. for RH

      Tester Connection

      Condition

      Specified Condition

      E45-7 (LR) - 3D-45

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Table 3. for LH

      Tester Connection

      Condition

      Specified Condition

      E45-13 (LL) - Body ground

      Always

      10 kΩ or higher
      Table 4. for RH

      Tester Connection

      Condition

      Specified Condition

      E45-7 (LR) - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    Proceed to

    NG

    A

    OK

    B
    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    B

    INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here

  3. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    1. Disconnect the A69*1 or A72*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)

      Table 5. for LH

      Tester Connection

      Condition

      Specified Condition

      A69-1 - 3A-36

      Always

      Below 1 Ω

      A69-2 - Body ground

      Always

      Below 1 Ω
      Table 6. for RH

      Tester Connection

      Condition

      Specified Condition

      A72-1 - 3A-47

      Always

      Below 1 Ω

      A72-2 - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Table 7. for LH

      Tester Connection

      Condition

      Specified Condition

      A69-1 - Body ground

      Always

      10 kΩ or higher
      Table 8. for RH

      Tester Connection

      Condition

      Specified Condition

      A72-1 - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    Proceed to

    NG

    A

    OK

    B
    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    B

    INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here

  4. 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)

      Table 9. for LH

      Tester Connection

      Condition

      Specified Condition

      L3-4 (L) - 3E-26

      Always

      Below 1 Ω

      L3-3 (B) - Body ground

      Always

      Below 1 Ω
      Table 10. for RH

      Tester Connection

      Condition

      Specified Condition

      L4-4 (L) - 3E-33

      Always

      Below 1 Ω

      L4-3 (B) - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Table 11. for LH

      Tester Connection

      Condition

      Specified Condition

      L3-4 (L) - Body ground

      Always

      10 kΩ or higher
      Table 12. for RH

      Tester Connection

      Condition

      Specified Condition

      L4-4 (L) - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    Proceed to

    NG

    A

    OK

    B
    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    B

    INSPECT INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLYClick here

  5. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY)

    1. Disconnect the H8*1 or G8*2 outer rear view mirror 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)

      Table 13. 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
      Table 14. 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)

      Table 15. for LH

      Tester Connection

      Condition

      Specified Condition

      H8-1 (B) - Body ground

      Always

      10 kΩ or higher
      Table 16. for RH

      Tester Connection

      Condition

      Specified Condition

      G8-1 (B) - Body ground

      Always

      10 kΩ or higher

    Result

    Result

    Proceed to

    NG

    A

    OK

    B
    A

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    B

  6. 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

      E262502C01

      *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

        Table 17. for LH

        Tester Connection

        Condition

        Specified Condition

        3D-36 - 3A-36

        Always

        Below 1 Ω
        Table 18. 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

        Table 19. for LH

        Tester Connection

        Condition

        Specified Condition

        3D-36 - 3E-26

        Always

        Below 1 Ω
        Table 20. 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

        Table 21. for LH

        Tester Connection

        Condition

        Specified Condition

        3D-36 - 3D-37

        Always

        Below 1 Ω
        Table 22. for RH

        Tester Connection

        Condition

        Specified Condition

        3D-45 - 3D-46

        Always

        Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    for Hatchback, Wagon:Click here

    for Sedan:Click here

    NG

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY

    for LHD:Click here

    for RHD:Click here