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Home >> Toyota >> 2021 >> Camry TRD >> Repair and Diagnosis >> Electrical >> Gauges >> Meter / Gauge System - Diagnostic Codes & Symptom Tests (Except Hybrid) >> Meter / Gauge System >> DTC B1508-19: Turn Signal/Hazard Flasher Circuit Current Above Threshold [06/2017 - ] >> Procedure

DTC B1508-19: Turn Signal/Hazard Flasher Circuit Current Above Threshold [06/2017 - ]: Procedure

  1. INSPECT LIGHTS 
    1. Inspect the illumination of each turn signal light.

      Result

      Result Proceed to
      All LH turn signal lights do not blink A
      All RH turn signal lights do not blink B

    Result: 

    B 

    See step  11

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the W13 rear combination light assembly LH connector.
    2. Disconnect the K20 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W13-3 (B) or K20-10 (TRNL) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      w/o Side Turn Signal Light A
      w/ Side Turn Signal Light B

    Result: 

    B 

    See step  6

    Result: 

    A 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the A53*1 or A75*2 headlight assembly LH connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A53-1 (B)*1, A75-2 (B)*2 or K20-11 (LL) - Body ground Always 10 kΩ or higher
      1. *1: for Bulb Type Turn Signal Light
      2. *2: for LED Type Turn Signal Light

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      For Bulb Type Turn Signal Light A
      For LED Type Turn Signal Light B

    Result: 

    A 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    B 

    See step  10

  6. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY LH AND OUTER REAR VIEW MIRROR ASSEMBLY LH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the A53*1 or A75*2 headlight assembly LH connector.
    2. Disconnect the O20*3 or O21*4 outer rear view mirror assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A53-1 (B)*1, A75-2 (B)*2, O20-5 (B)*3, O21-16 (B)*4 or K20-11 (LL) - Body ground Always 10 kΩ or higher
      1. *1: for Bulb Type Turn Signal Light
      2. *2: for LED Type Turn Signal Light
      3. *3: w/o Panoramic View Monitor System
      4. *4: w/ Panoramic View Monitor System

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH 
    GTY744527Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A w/o Panoramic View Monitor System
    *B w/ Panoramic View Monitor System
    *a Component without harness connected
    (Outer Rear View Mirror Assembly LH)
    1. Remove the side turn signal light assembly LH.

      Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      O20-5 (B) - O20-4 (E)*1 Always 10 kΩ or higher
      O21-16 (B) - O21-15 (E)*2 Always 10 kΩ or higher
      1. *1: w/o Panoramic View Monitor System
      2. *2: w/ Panoramic View Monitor System

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [06/2017 - 09/2019]  , or refer to  REMOVAL [09/2019 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  8

  8. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH 
    1. Inspect the side turn signal light assembly LH.

      Refer to INSPECTION [03/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  9

  9. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      For Bulb Type Turn Signal Light A
      For LED Type Turn Signal Light B

    Result: 

    A 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    B 

    See step  10

  10. INSPECT HEADLIGHT ASSEMBLY LH 
    1. Remove the headlight assembly LH.

      Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

    2. Inspect the headlight assembly LH.

      Refer to INSPECTION [06/2017 - 09/2019] , or refer to INSPECTION [09/2019 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    NG 

    REPLACE HEADLIGHT ASSEMBLY LH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

  11. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the W12 rear combination light assembly RH connector.
    2. Disconnect the K20 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      W12-3 (B) or K20-13 (TRNR) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  12

  12. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      w/o Side Turn Signal Light A
      w/ Side Turn Signal Light B

    Result: 

    B 

    See step  15

    Result: 

    A 

    See step  13

  13. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the A52*1 or A74*2 headlight assembly RH connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A52-1 (B)*1, A74-2 (B)*2 or K20-7 (LR) - Body ground Always 10 kΩ or higher
      1. *1: for Bulb Type Turn Signal Light
      2. *2: for LED Type Turn Signal Light

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  14

  14. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      For Bulb Type Turn Signal Light A
      For LED Type Turn Signal Light B

    Result: 

    A 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    B 

    See step  19

  15. CHECK HARNESS AND CONNECTOR (HEADLIGHT ASSEMBLY RH AND OUTER REAR VIEW MIRROR ASSEMBLY RH - COMBINATION METER ASSEMBLY) 
    1. Disconnect the A52*1 or A74*2 headlight assembly RH connector.
    2. Disconnect the N18*3 or N17*4 outer rear view mirror assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A52-1 (B)*1, A74-2 (B)*2, N18-5 (B)*3, N17-16 (B)*4 or K20-7 (LR) - Body ground Always 10 kΩ or higher
      1. *1: for Bulb Type Turn Signal Light
      2. *2: for LED Type Turn Signal Light
      3. *3: w/o Panoramic View Monitor System
      4. *4: w/ Panoramic View Monitor System

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  16

  16. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    GTY744526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    *A w/o Panoramic View Monitor System
    *B w/ Panoramic View Monitor System
    *a Component without harness connected
    (Outer Rear View Mirror Assembly RH)
    1. Remove the side turn signal light assembly RH.

      Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      N18-5 (B) - N18-4 (E)*1 Always 10 kΩ or higher
      N17-16 (B) - N17-15 (E)*2 Always 10 kΩ or higher
      1. *1: w/o Panoramic View Monitor System
      2. *2: w/ Panoramic View Monitor System

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [06/2017 - 09/2019]  , or refer to  REMOVAL [09/2019 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  17

  17. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH 
    1. Inspect the side turn signal light assembly RH.

      Refer to INSPECTION [03/2017 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    OK 

    See step  18

  18. CONFIRM MODEL 
    1. Choose the model to be inspected.

      Result

      Result Proceed to
      For Bulb Type Turn Signal Light A
      For LED Type Turn Signal Light B

    Result: 

    A 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    B 

    See step  19

  19. INSPECT HEADLIGHT ASSEMBLY RH 
    1. Remove the headlight assembly RH.

      Refer to REMOVAL [06/2017 - 10/2020] , or refer to REMOVAL [10/2020 - ]

    2. Inspect the headlight assembly RH.

      Refer to INSPECTION [06/2017 - 09/2019] , or refer to INSPECTION [09/2019 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

    Result: 

    NG 

    REPLACE HEADLIGHT ASSEMBLY RH. Refer to  REMOVAL [06/2017 - 10/2020]  , or refer to  REMOVAL [10/2020 - ] 

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