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
B1507 Open in Turn Signal Circuit

Both conditions are met:


  • IG voltage is 10.5 V or higher.

  • Open in turn signal light circuit.

  • Harness or connector

  • Outer mirror control ECU assembly*1

  • Outer rear view mirror assembly

  • Side turn signal light assembly

  • Clearance light assembly

  • Clearance light LED unit assembly*2

  • Headlight light control ECU sub-assembly

  • Rear combination light assembly

  • Combination meter assembly
B1508 Short in Turn Signal / Hazard Flasher Circuit

Both conditions are met:


  • IG voltage is 10.5 V or higher.

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

  • Harness or connector

  • Outer mirror control ECU assembly*1

  • Outer rear view mirror assembly

  • Side turn signal light assembly

  • Clearance light assembly

  • Clearance light LED unit assembly*2

  • Headlight light control ECU sub-assembly

  • Rear combination light socket and wire sub-assembly

  • Combination meter assembly

WIRING DIAGRAM

B008J8XE01
B008J0IE01
B008H1ME03

CAUTION / NOTICE / HINT

Note


  • When replacing the combination meter assembly, make sure to replace it with a new one.

  • Inspect the bulbs for circuits related to this system before performing the following inspection procedure.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs.

      Click here


      Body Electrical > Combination Meter > Clear DTCs

    2. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      OK
      B1507 and B1508 are not output.
      Result
      Proceed to
      OK
      NG

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  2. INSPECT LIGHTS


    1. Inspect the illumination of each turn signal light.

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

    B

    CHECK HARNESS AND CONNECTOR (FRONT RH SIDE CIRCUIT) Click here

    C

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

    D

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

    A

  3. CHECK HARNESS AND CONNECTOR (FRONT LH SIDE CIRCUIT)


    1. Disconnect the I11 combination meter assembly connector.

    2. Disconnect the M11 outer rear view mirror assembly LH connector.

    3. Disconnect the A30 clearance light assembly LH connector.

    4. Disconnect the A19 headlight light control ECU sub-assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I11-13 (LL) - M11-16 (B) Always Below 1 Ω
      I11-13 (LL) - A30-1 (B) Always Below 1 Ω
      I11-13 (LL) - A19-11 (TNS) Always Below 1 Ω
      M11-12 (-) - Body ground Always Below 1 Ω
      A30-2 (E) - Body ground Always Below 1 Ω
      I11-13 (LL) or M11-16 (B) - Body ground Always 10 kΩ or higher
      I11-13 (LL) or A30-1 (B) - Body ground Always 10 kΩ or higher
      I11-13 (LL) or A19-11 (TNS) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (w/ Memory) B
      NG (w/o Memory) C

    B

    CHECK HARNESS AND CONNECTOR (FRONT LH SIDE CIRCUIT) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  4. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH


    1. Remove the outer rear view mirror assembly LH.

      Click here

    2. Inspect the outer rear view mirror assembly LH.

      Click here

      Result
      Result Proceed to
      OK (for LED Type Side Turn Signal Light) A
      OK (for Bulb Type Side Turn Signal Light) B
      NG C

    B

    INSPECT CLEARANCE LIGHT ASSEMBLY LH Click here

    C

    INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH Click here

    A

  5. INSPECT CLEARANCE LIGHT ASSEMBLY LH (CLEARANCE LIGHT LED UNIT ASSEMBLY LH)


    1. Remove clearance light assembly LH (clearance light LED unit assembly LH).

      Click here

    2. Inspect clearance light assembly LH (clearance light LED unit assembly LH).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    INSPECT CLEARANCE LIGHT ASSEMBLY LH Click here

    OK

  6. CHECK HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH


    1. Remove the headlight light control ECU sub-assembly LH.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Combination Meter > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH IS DEFECTIVE)

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

  7. CHECK HARNESS AND CONNECTOR (FRONT LH SIDE CIRCUIT)


    1. Disconnect the I11 combination meter assembly connector.

    2. Disconnect the M5 outer mirror control ECU assembly LH connector.

    3. Disconnect the A30 clearance light assembly LH connector.

    4. Disconnect the A19 headlight light control ECU sub-assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I11-13 (LL) - M5-11 (TRNI) Always Below 1 Ω
      I11-13 (LL) - A30-1 (B) Always Below 1 Ω
      I11-13 (LL) - A19-11 (TNS) Always Below 1 Ω
      M5-7 (GND) - Body ground Always Below 1 Ω
      A30-2 (E) - Body ground Always Below 1 Ω
      I11-13 (LL) or M5-11 (TRNI) - Body ground Always 10 kΩ or higher
      I11-13 (LL) or A30-1 (B) - Body ground Always 10 kΩ or higher
      I11-13 (LL) or A19-11 (TNS) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  8. INSPECT CLEARANCE LIGHT ASSEMBLY LH


    1. Remove the clearance light assembly LH.

      Click here

    2. Inspect the clearance light assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 6 Click here

    NG

    REPLACE CLEARANCE LIGHT ASSEMBLY LH Click here

  9. INSPECT CLEARANCE LIGHT ASSEMBLY LH


    1. B008II1E01

      Remove the clearance light assembly LH.

      Click here

    2. Remove the clearance light LED unit assembly LH from clearance light assembly LH.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-1 - B-1 (B) Always Below 1 Ω
      A-2 - B-2 (E) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CLEARANCE LIGHT LED UNIT ASSEMBLY LH Click here

    NG

    REPLACE CLEARANCE LIGHT ASSEMBLY LH Click here

  10. 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

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH Click here

    NG

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH Click here

  11. CHECK HARNESS AND CONNECTOR (FRONT RH SIDE CIRCUIT)


    1. Disconnect the I11 combination meter assembly connector.

    2. Disconnect the L12 outer rear view mirror assembly RH connector.

    3. Disconnect the A31 clearance light assembly RH connector.

    4. Disconnect the A20 headlight light control ECU sub-assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I11-7 (LR) - L12-16 (B) Always Below 1 Ω
      I11-7 (LR) - A31-1 (B) Always Below 1 Ω
      I11-7 (LR) - A20-11 (TNS) Always Below 1 Ω
      L12-12 (-) - Body ground Always Below 1 Ω
      A31-2 (E) - Body ground Always Below 1 Ω
      I11-7 (LR) or L12-16 (B) - Body ground Always 10 kΩ or higher
      I11-7 (LR) or A31-1 (B) - Body ground Always 10 kΩ or higher
      I11-7 (LR) or A20-11 (TNS) - Body ground Always 10 kΩ or higher
      Result
      Result Proceed to
      OK A
      NG (w/ Memory) B
      NG (w/o Memory) C

    B

    CHECK HARNESS AND CONNECTOR (FRONT RH SIDE CIRCUIT) Click here

    C

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    A

  12. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH


    1. Remove the outer rear view mirror assembly RH.

      Click here

    2. Inspect the outer rear view mirror assembly RH.

      Click here

      Result
      Result Proceed to
      OK (for LED Type Side Turn Signal Light) A
      OK (for Bulb Type Side Turn Signal Light) B
      NG C

    B

    INSPECT CLEARANCE LIGHT ASSEMBLY RH Click here

    C

    INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH Click here

    A

  13. INSPECT CLEARANCE LIGHT ASSEMBLY RH (CLEARANCE LIGHT LED UNIT ASSEMBLY RH)


    1. Remove clearance light assembly RH (clearance light LED unit assembly RH).

      Click here

    2. Inspect clearance light assembly RH (clearance light LED unit assembly RH).

      Click here

      Result
      Proceed to
      OK
      NG

    NG

    INSPECT CLEARANCE LIGHT ASSEMBLY RH Click here

    OK

  14. CHECK HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY RH


    1. Remove the headlight light control ECU sub-assembly RH.

      Click here

    2. Clear the DTCs.

      Click here


      Body Electrical > Combination Meter > Clear DTCs

    3. Recheck for DTCs and check that no DTCs are output.

      Click here


      Body Electrical > Combination Meter > Trouble Codes
      OK
      No DTCs are output.
      Result
      Proceed to
      OK
      NG

    OK

    END (HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY RH IS DEFECTIVE)

    NG

    REPLACE COMBINATION METER ASSEMBLY Click here

  15. CHECK HARNESS AND CONNECTOR (FRONT RH SIDE CIRCUIT)


    1. Disconnect the I11 combination meter assembly connector.

    2. Disconnect the L5 outer mirror control ECU assembly RH connector.

    3. Disconnect the A31 clearance light assembly RH connector.

    4. Disconnect the A20 headlight light control ECU sub-assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I11-7 (LR) - L5-11 (TRNI) Always Below 1 Ω
      I11-7 (LR) - A31-1 (B) Always Below 1 Ω
      I11-7 (LR) - A20-11 (TNS) Always Below 1 Ω
      L5-7 (GND) - Body ground Always Below 1 Ω
      A31-2 (E) - Body ground Always Below 1 Ω
      I11-7 (LR) or L5-11 (TRNI) - Body ground Always 10 kΩ or higher
      I11-7 (LR) or A31-1 (B) - Body ground Always 10 kΩ or higher
      I11-7 (LR) or A20-11 (TNS) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

  16. INSPECT CLEARANCE LIGHT ASSEMBLY RH


    1. Remove the clearance light assembly RH.

      Click here

    2. Inspect the clearance light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    GO TO STEP 14 Click here

    NG

    REPLACE CLEARANCE LIGHT ASSEMBLY RH Click here

  17. INSPECT CLEARANCE LIGHT ASSEMBLY RH


    1. B008II1E01

      Remove the clearance light assembly RH.

      Click here

    2. Remove the clearance light LED unit assembly RH from clearance light assembly RH.

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      A-1 - B-1 (B) Always Below 1 Ω
      A-2 - B-2 (E) Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE CLEARANCE LIGHT LED UNIT ASSEMBLY RH Click here

    NG

    REPLACE CLEARANCE LIGHT ASSEMBLY RH Click here

  18. 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

    OK

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here

    NG

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH Click here

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


    1. Disconnect the Q16 rear combination light assembly LH connector.

    2. Disconnect the I11 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      Q16-1 (TRN) - I11-11 (TRNL) Always Below 1 Ω
      Q16-4 (E) - Body ground Always Below 1 Ω
      Q16-1 (TRN) or I11-11 (TRNL) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  20. CHECK REAR COMBINATION LIGHT ASSEMBLY LH


    1. Remove the rear combination light assembly LH.

      Click here

    2. Inspect the rear combination light assembly LH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE REAR COMBINATION LIGHT ASSEMBLY Click here

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


    1. Disconnect the P13 rear combination light assembly RH connector.

    2. Disconnect the I11 combination meter assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P13-1 (TRN) - I11-5 (TRNR) Always Below 1 Ω
      P13-4 (E) - Body ground Always Below 1 Ω
      P13-1 (TRN) or I11-5 (TRNR) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  22. CHECK REAR COMBINATION LIGHT ASSEMBLY RH


    1. Remove the rear combination light assembly RH.

      Click here

    2. Inspect the rear combination light assembly RH.

      Click here

      Result
      Proceed to
      OK
      NG

    OK

    REPLACE COMBINATION METER ASSEMBLY Click here

    NG

    REPLACE REAR COMBINATION LIGHT ASSEMBLY Click here