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, 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

  • Harness or connector

  • Front multiplex network door ECU LH

  • Front multiplex network door ECU RH

  • Outer mirror actuator assembly LH

  • Outer mirror actuator assembly RH

  • Front turn signal light assembly LH

  • Front turn signal light assembly RH

  • Side turn signal light assembly LH

  • Side turn signal light assembly RH

  • Rear combination light lens and body LH

  • Rear combination light lens and body RH

  • 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

  • Harness or connector

  • Front multiplex network door ECU LH

  • Front multiplex network door ECU RH

  • Outer mirror actuator assembly LH

  • Outer mirror actuator assembly RH

  • Front turn signal light assembly LH

  • Front turn signal light assembly RH

  • Side turn signal light assembly LH

  • Side turn signal light assembly RH

  • Rear combination light lens and body LH

  • Rear combination light lens and body RH

  • Combination meter assembly

 DTC stored -

WIRING DIAGRAM

B000WF7E07
B000XIKE04

CAUTION / NOTICE / HINT

Note


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

  • 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.

PROCEDURE


  1. INSPECT LIGHTS


    1. Inspect the illumination of each turn signal light.

      Result
      Result Proceed to
      RH side turn signal light does not illuminate. A
      LH side turn signal light does not illuminate. B

    B

    CHECK TURN SIGNAL LIGHTS (LH SIDE) Click here

    A

  2. CHECK TURN SIGNAL LIGHTS (RH SIDE)


    1. Turn the engine switch on (IG).

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

    3. Check the operation of the turn signal lights (RH side).

      Result
      Result Proceed to
      Side turn signal light assembly (RH side) does not blink. A
      Front turn signal light assembly (RH side) does not blink. B
      Rear turn signal light assembly (RH side) does not blink. C

    B

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT ASSEMBLY RH) Click here

    C

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

    A

  3. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the R9 front multiplex network door ECU RH connector.

    2. Disconnect the D5 front turn signal light assembly RH connector.

    3. Disconnect the P26 combination meter 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
      R9-20 (TRN1) - P26-7 (LR) Always Below 1 Ω
      R9-1 (GND) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      R9-20 (TRN1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  4. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU RH


    1. Remove the front multiplex network door ECU RH.

      Click here

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

      B000X1TC10
      *a

      Component without harness connected

      (Front Multiplex Network Door ECU RH)

      		 - -
      Standard Resistance
      Tester Connection Condition Specified Condition
      R9-20 (TRN1) - R10-16 (TRN+) Always Below 1 Ω
      R9-1 (GND) - R10-12 (HTR-) Always Below 1 Ω
      R9-20 (TRN1) - R9-1 (GND) Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU RH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU RH - OUTER MIRROR ACTUATOR ASSEMBLY RH AND BODY GROUND)


    1. Disconnect the R10 front multiplex network door ECU RH connector.

    2. Disconnect the R6 outer mirror actuator assembly RH connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      R10-16 (TRN+) - R6-16 (B) Always Below 1 Ω
      R10-12 (HTR-) - R6-12 (-) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      R10-16 (TRN+) or R6-16 (B) - Other terminals and body ground Always 10 kΩ or higher
      R10-12 (HTR-) or R6-12 (-) - Other terminals and body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH


    1. Remove the side turn signal light assembly RH.

      Click here

    2. Inspect the side turn signal light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH Click here

    OK

  7. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY RH


    1. Remove the outer mirror actuator assembly RH.

      Click here

    2. Inspect the outer mirror actuator assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY RH Click here

  8. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT ASSEMBLY RH)


    1. Disconnect the P26 combination meter assembly connector.

    2. Disconnect the R9 front multiplex network door ECU RH connector

    3. Disconnect the D5 front turn signal light assembly RH connector

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      P26-7 (LR) - D5-1 (B) Always Below 1 Ω
      D5-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      D5-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. INSPECT FRONT TURN SIGNAL LIGHT ASSEMBLY RH


    1. Remove the front turn signal light assembly RH.

      Click here

    2. Inspect the front turn signal light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE FRONT TURN SIGNAL LIGHT ASSEMBLY RH Click here

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


    1. Disconnect the X69 rear combination light assembly RH connector.

    2. Disconnect the P26 combination meter 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
      X69-4 (TRN) - P26-5 (TRNR) Always Below 1 Ω
      X69-3 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      X69-4 (TRN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  11. INSPECT REAR COMBINATION LIGHT LENS AND BODY RH


    1. Remove the rear combination lens and body RH.

      Click here

    2. Inspect the rear turn signal light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE REAR COMBINATION LIGHT LENS AND BODY RH Click here

  12. CHECK TURN SIGNAL LIGHTS (LH SIDE)


    1. Turn the engine switch on (IG).

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

    3. Check the operation of the turn signal lights (LH side).

      Result
      Result Proceed to
      Side turn signal light assembly (LH side) does not blink. A
      Front turn signal light assembly (LH side) does not blink. B
      Rear turn signal light assembly (LH side) does not blink. C

    B

    CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT ASSEMBLY LH) Click here

    C

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

    A

  13. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - COMBINATION METER ASSEMBLY AND BODY GROUND)


    1. Disconnect the S9 front multiplex network door ECU LH connector.

    2. Disconnect the D6 front turn signal light assembly LH connector.

    3. Disconnect the P26 combination meter 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
      S9-20 (TRN1) - P26-13 (LL) Always Below 1 Ω
      S9-1 (GND) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      S9-20 (TRN1) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  14. INSPECT FRONT MULTIPLEX NETWORK DOOR ECU LH


    1. Remove the front multiplex network door ECU LH.

      Click here

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

      B000X1TC12
      *a

      Component without harness connected

      (Front Multiplex Network Door ECU LH)

      		 - -
      Standard Resistance
      Tester Connection Condition Specified Condition
      S9-20 (TRN1) - S10-16 (TRN+) Always Below 1 Ω
      S9-1 (GND) - S10-12 (HTR-) Always Below 1 Ω
      S9-20 (TRN1) - S9-1 (GND) Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE FRONT MULTIPLEX NETWORK DOOR ECU LH Click here

    OK

  15. CHECK HARNESS AND CONNECTOR (FRONT MULTIPLEX NETWORK DOOR ECU LH - OUTER MIRROR ACTUATOR ASSEMBLY RH AND BODY GROUND)


    1. Disconnect the S10 front multiplex network door ECU LH connector.

    2. Disconnect the S6 outer mirror actuator assembly LH connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      S10-16 (TRN+) - S6-16 (B) Always Below 1 Ω
      S10-12 (HTR-) - S6-12 (-) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      S10-16 (TRN+) or S6-16 (B) - Other terminals and body ground Always 10 kΩ or higher
      S10-12 (HTR-) or S6-12 (-) - Other terminals and body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  16. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH


    1. Remove the side turn signal light assembly LH.

      Click here

    2. Inspect the side turn signal light assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH Click here

    OK

  17. INSPECT OUTER MIRROR ACTUATOR ASSEMBLY LH


    1. Remove the outer mirror actuator assembly LH.

      Click here

    2. Inspect the outer mirror actuator assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE OUTER MIRROR ACTUATOR ASSEMBLY LH Click here

  18. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT ASSEMBLY LH)


    1. Disconnect the P26 combination meter assembly connector.

    2. Disconnect the S9 front multiplex network door ECU LH connector

    3. Disconnect the D6 front turn signal light assembly LH connector

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      P26-13 (LL) - D6-1 (B) Always Below 1 Ω
      D6-2 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      D6-1 (B) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  19. INSPECT FRONT TURN SIGNAL LIGHT ASSEMBLY LH


    1. Remove the front turn signal light assembly LH.

      Click here

    2. Inspect the front turn signal light assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE FRONT TURN SIGNAL LIGHT ASSEMBLY LH Click here

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


    1. Disconnect the X70 rear combination light assembly LH connector.

    2. Disconnect the P26 combination meter 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
      P26-11 (TRNL) - X70-4 (TRN) Always Below 1 Ω
      X70-3 (E) - Body ground Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      X70-4 (TRN) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  21. INSPECT REAR COMBINATION LIGHT LENS AND BODY LH


    1. Remove the rear combination lens and body LH.

      Click here

    2. Inspect the rear turn signal light assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE REAR COMBINATION LIGHT LENS AND BODY LH Click here