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METER / GAUGE SYSTEM, Diagnostic DTC:B1507

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DTC Code DTC Name
B1507 Open in Turn Signal Circuit
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DESCRIPTION

This DTC is stored when the combination meter assembly detects an open in a front turn signal light circuit or rear turn signal light circuit.

Tip:

  • If there is an open in a front turn signal light circuit or rear turn signal light circuit, the turn signal lights on the side with the open circuit will blink faster than usual.

  • If there is an open in a side turn signal light circuit, DTC B1507 will not be stored.

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

Diagnosis Condition:


  • Battery voltage is 10 V or more

Malfunction Status:


  • Open in front turn signal light circuit

  • Open in rear turn signal light circuit

  • Clearance light assembly

  • Clearance light LED unit assembly

  • Raer combination light socket and wire sub-assembly

  • Rear turn signal light bulb

  • Harness or connector

  • Combination meter assembly

 DTC stored -
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

  • Inspect the turn signal light bulbs and sockets before performing the following procedure.

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PROCEDURE


  1. Click here

    CHECK LIGHTS


    1. Inspect the illumination of each turn signal light.

      Result
      Result Proceed to
      Front turn signal light LH does not blink A
      Rear turn signal light LH does not blink B
      Front turn signal light RH does not blink C
      Rear turn signal light RH does not blink D

  2. Click here

    CHECK HARNESS AND CONNECTOR (CLEARANCE LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the D4 clearance light assembly LH connector.

    2. Disconnect the O4 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D4-1 (B) - O4-13 (LL) Always Below 1 Ω
      D4-2 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    CHECK LH SIDE LIGHTS (COMBINATION METER ASSEMBLY)


    1. Interchange the clearance light assembly LH with RH and connect the connectors.

      Click here

    2. Check that the front turn signal light operates normally.

      OK
      Front turn signal light blinks.
      Result
      Proceed to
      OK
      NG

  4. Click here

    INSPECT CLEARANCE LAMP ASSEMBLY LH


    1. Remove the clearrance light assembly LH.

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    2. Inspect the clearrance light assembly LH.

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      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE CLEARANCE LIGHT LED UNIT ASSEMBLY LHClick here

    • NG

      REPLACE CLEARANCE LIGHT ASSEMBLY LHClick here

  5. Click here

    CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the U41 rear combination light assembly LH connector.

    2. Disconnect the O4 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U41-4 (TRN) - O4-9 (TRNL) Always Below 1 Ω
      U41-3 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  6. Click here

    CHECK LH SIDE LIGHTS (COMBINATION METER ASSEMBLY)


    1. Interchange the rear combination light socket and wire sub-assembly LH with RH and connect the connectors.

      Click here

    2. Check that the rear turn signal light operates normally.

      OK
      Rear turn signal light blinks.
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY LHClick here

    • NG

      REPLACE COMBINATION METER ASSEMBLYClick here

  7. Click here

    CHECK HARNESS AND CONNECTOR (CLEARANCE LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the D2 clearance light assembly RH connector.

    2. Disconnect the O4 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D2-1 (B) - O4-7 (LR) Always Below 1 Ω
      D2-2 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. Click here

    CHECK RH SIDE LIGHTS (COMBINATION METER ASSEMBLY)


    1. Interchange the clearance light assembly RH with LH and connect the connectors.

      Click here

    2. Check that the front turn signal light operates normally.

      OK
      Front turn signal light blinks.
      Result
      Proceed to
      OK
      NG

  9. Click here

    INSPECT CLEARANCE LIGHT ASSEMBLY RH


    1. Remove the clearrance light assembly RH.

      Click here

    2. Inspect the clearrance light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE CLEARANCE LIGHT LED UNIT ASSEMBLY RHClick here

    • NG

      REPLACE CLEARANCE LIGHT ASSEMBLY RHClick here

  10. Click here

    CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the U5 rear combination light assembly RH connector.

    2. Disconnect the O4 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      U5-4 (TRN) - O4-1 (TRNR) Always Below 1 Ω
      U5-3 (E) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  11. Click here

    CHECK RH SIDE LIGHTS (COMBINATION METER ASSEMBLY)


    1. Interchange the rear combination light socket and wire sub-assembly RH with LH and connect the connectors.

      Click here

    2. Check that the rear turn signal light operates normally.

      OK
      Rear turn signal light blinks.
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE SUB-ASSEMBLY RHClick here

    • NG

      REPLACE COMBINATION METER ASSEMBLY