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, or a short in a turn signal light circuit or 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

  • Driver side 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

  • Driver side junction block assembly

  • Combination meter assembly

DTC stored

-

WIRING DIAGRAM

  1. E284756E03

CAUTION / NOTICE / HINT

Note:

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

    Side turn signal light assembly:Click here

  • When it is necessary to replace the combination meter assembly, be sure to replace it with a new one.

PROCEDURE

  1. INSPECT LIGHTS

    1. Inspect the illumination of each turn signal light.

    Result

    Result

    Proceed to

    All RH turn signal lights or all LH turn signal lights do not blink.

    A

    RH side turn signal light does not illuminate.

    B

    LH side turn signal light does not illuminate.

    C
    B

    CHECK TURN SIGNAL LIGHTS (RH SIDE)Click here

    C

    CHECK TURN SIGNAL LIGHTS (LH SIDE)Click here

    A

  2. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the E13 combination meter assembly connector.

    2. RH side

      1. Disconnect the 3G driver side junction block assembly connectors.

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

        Standard Resistance (Check for Open)

        Tester Connection

        Condition

        Specified Condition

        E13-5 (LR) - 3G-7

        Always

        Below 1 Ω

        Standard Resistance (Check for Short)

        Tester Connection

        Condition

        Specified Condition

        E13-5 (LR) - Body ground

        Always

        10 kΩ or higher

    3. LH side

      1. Disconnect the 3N driver side junction block assembly connectors.

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

        Standard Resistance (Check for Open)

        Tester Connection

        Condition

        Specified Condition

        E13-4 (LL) - 3N-5

        Always

        Below 1 Ω

        Standard Resistance (Check for Short)

        Tester Connection

        Condition

        Specified Condition

        E13-4 (LL) - Body ground

        Always

        10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

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

      E293090C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

      -

      -

      1. RH side

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        3G-7 - 3C-5

        Always

        Below 1 Ω

        3G-7 - 3M-7

        Always

        Below 1 Ω

      2. LH side

        Standard Resistance

        Tester Connection

        Condition

        Specified Condition

        3N-5 - 3K-4

        Always

        Below 1 Ω

        3N-5 - 3M-5

        Always

        Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE COMBINATION METER ASSEMBLY

    Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  4. CHECK TURN SIGNAL LIGHTS (RH SIDE)

    1. Turn the ignition switch to ON.

    2. Set the headlight dimmer switch assembly to the right turn switch position.

    3. Check the operation of the turn signal lights.

    Result

    Result

    Proceed to

    Front turn signal light RH does not blink.

    A

    Side turn signal light assembly RH does not blink.

    B

    Rear turn signal light RH does not blink.

    C

    Front turn signal light RH and side turn signal light assembly RH do not blink.

    D
    B

    CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    C

    CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    D

    CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH AND SIDE TURN SIGNAL LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    A

  5. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A7 headlight assembly RH connector.

    2. Disconnect the A1 side turn signal light assembly RH connector.

    3. Disconnect the 3C driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A7-2 (B) - 3C-5

      Always

      Below 1 Ω

      A7-1 (E) - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3C-5 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292686C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3G-7 - 3C-5

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HEADLIGHT ASSEMBLY RH

    Click hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  7. CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A1 side turn signal light assembly RH connector.

    2. Disconnect the A7 headlight assembly RH connector.

    3. Disconnect the 3C driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A1-2 - 3C-5

      Always

      Below 1 Ω

      A1-1 - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3C-5 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292686C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3G-7 - 3C-5

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH

    Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  9. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the K3 rear combination light assembly RH connector.

    2. Disconnect the 3M driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      K3-1 (B) - 3M-7

      Always

      Below 1 Ω

      K3-5 (E) - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3M-7 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  10. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292687C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3G-7 - 3M-7

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE REAR COMBINATION LIGHT ASSEMBLY RH

    Click hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  11. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH AND SIDE TURN SIGNAL LIGHT ASSEMBLY RH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A7 headlight assembly RH connector.

    2. Disconnect the A1 side turn signal light assembly RH connector.

    3. Disconnect the 3C driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A7-2 (B) - 3C-5

      Always

      Below 1 Ω

      A1-2 - 3C-5

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3C-5 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  12. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292686C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3G-7 - 3C-5

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  13. CHECK TURN SIGNAL LIGHTS (LH SIDE)

    1. Turn the ignition switch to ON.

    2. Set the headlight dimmer switch assembly to the left turn switch position.

    3. Check the operation of the turn signal lights.

    Result

    Result

    Proceed to

    Front turn signal light LH does not blink.

    A

    Side turn signal light assembly LH does not blink.

    B

    Rear turn signal light LH does not blink.

    C

    Front turn signal light LH and side turn signal light assembly LH do not blink.

    D
    B

    CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    C

    CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    D

    CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH AND SIDE TURN SIGNAL LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)Click here

    A

  14. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A56 headlight assembly LH connector.

    2. Disconnect the A58 side turn signal light assembly LH connector.

    3. Disconnect the 3K driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A56-2 (B) - 3K-4

      Always

      Below 1 Ω

      A56-1 (E) - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3K-4 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  15. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292688C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3N-5 - 3K-4

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE HEADLIGHT ASSEMBLY LH

    Click hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  16. CHECK HARNESS AND CONNECTOR (SIDE TURN SIGNAL LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A58 side turn signal light assembly LH connector.

    2. Disconnect the A56 headlight assembly LH connector.

    3. Disconnect the 3K driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A58-2 - 3K-4

      Always

      Below 1 Ω

      A58-1 - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3K-4 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  17. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292688C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3N-5 - 3K-4

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH

    Click here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  18. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the K14 rear combination light assembly LH connector.

    2. Disconnect the 3M driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      K14-1 (B) - 3M-5

      Always

      Below 1 Ω

      K14-5 (E) - Body ground

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3M-5 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292689C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3N-5 - 3M-5

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE REAR COMBINATION LIGHT ASSEMBLY LH

    Click hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here

  20. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH AND SIDE TURN SIGNAL LIGHT ASSEMBLY LH - DRIVER SIDE JUNCTION BLOCK ASSEMBLY OR BODY GROUND)

    1. Disconnect the A56 headlight assembly LH connector.

    2. Disconnect the A58 side turn signal light assembly LH connector.

    3. Disconnect the 3K driver side junction block assembly connector.

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

      Standard Resistance (Check for Open)

      Tester Connection

      Condition

      Specified Condition

      A56-2 (B) - 3K-4

      Always

      Below 1 Ω

      A58-2 - 3K-4

      Always

      Below 1 Ω

      Standard Resistance (Check for Short)

      Tester Connection

      Condition

      Specified Condition

      3K-4 - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  21. INSPECT DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    1. Remove the driver side junction block assembly.

      Click here

    2. E292688C01

      *a

      Component without harness connected

      (Driver Side Junction Block Assembly)

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      3N-5 - 3K-4

      Always

      Below 1 Ω

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click hereClick hereClick here

    NG

    REPLACE DRIVER SIDE JUNCTION BLOCK ASSEMBLY

    Click here