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Home >> Lexus >> 2022 >> NX 450h+ Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes & Circuit Tests >> Meter / Gauge System >> DTC B1508-19: Turn Signal/Hazard Flasher Circuit Current Above Threshold [11/2021 - ] >> Procedure

DTC B1508-19: Turn Signal/Hazard Flasher Circuit Current Above Threshold [11/2021 - ]: Procedure

  1. CHECK SYMPTOMS 
    1. Operate the turn signal switch and check the problem symptoms.

      Result

      Result Proceed to
      Front turn signal light (LH side) does not blink A
      Side turn signal light (LH side) does not blink B
      Rear turn signal light (LH side) does not blink C
      Front turn signal light (RH side) does not blink D
      Side turn signal light (RH side) does not blink E
      Rear turn signal light (RH side) does not blink F

    Result: 

    A 

    See step  3

    Result: 

    C 

    See step  15

    Result: 

    D 

    See step  19

    Result: 

    E 

    See step  18

    Result: 

    F 

    See step  30

    Result: 

    B 

    See step  2

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

      Result

      Result Proceed to
      w/ Automatic Headlight Beam Level Control System A
      w/o Automatic Headlight Beam Level Control System B

    Result: 

    B 

    See step  9

    Result: 

    A 

    See step  3

  3. INSPECT HEADLIGHT ECU SUB-ASSEMBLY LH 

    Pre-procedure1

    1. Remove the headlight ECU sub-assembly LH from the headlight assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1071259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight ECU Sub-assembly LH)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      A49-11 (TNS) - A49-12 (GND) Always 10 kΩ or higher
      B-20 (TURN+) - B-6 (TURN-) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    OK 

    See step  4

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

      Result

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

    Result: 

    B 

    See step  7

    Result: 

    A 

    See step  5

  5. CHECK TURN SIGNAL LIGHT (HEADLIGHT TURN SIGNAL LED UNIT LH) 

    Pre-procedure1

    1. Remove the headlight turn signal LED unit LH from the headlight unit assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight turn signal LED unit RH from the headlight unit assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight turn signal LED unit LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE HEADLIGHT TURN SIGNAL LED UNIT LH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  6

  6. CHECK TURN SIGNAL LIGHT (HEADLIGHT UNIT ASSEMBLY LH) 

    Pre-procedure1

    1. Remove the headlight unit assembly LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight unit assembly RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight unit assembly LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    A 

    See step  10

    Result: 

    B 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [11/2021 - ] 

  7. CHECK TURN SIGNAL LIGHT (FRONT TURN SIGNAL LIGHT SOCKET AND WIRE LH) 

    Pre-procedure1

    1. Remove the front turn signal light socket and wire LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the front turn signal light socket and wire RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the front turn signal light socket and wire LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET AND WIRE LH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  8

  8. CHECK TURN SIGNAL LIGHT (HEADLIGHT UNIT ASSEMBLY LH) 

    Pre-procedure1

    1. Remove the headlight unit assembly LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight unit assembly RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight unit assembly LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    A 

    See step  10

    Result: 

    B 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  DISASSEMBLY [11/2021 - ] 

  9. CHECK TURN SIGNAL LIGHT (FRONT TURN SIGNAL LIGHT SOCKET LH) 

    Pre-procedure1

    1. Remove the front turn signal light socket LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the front turn signal light socket RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the front turn signal light socket LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET LH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  10

  10. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY LH 

    Pre-procedure1

    1. Remove the outer mirror control ECU assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1068331Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Outer Mirror Control ECU Assembly LH)

      Standard Resistance

      Tester Connection Condition Specified Condition
      D-16 (T+) - D-12 (GND) Always 10 kΩ or higher
      E33-11 (TRNI) - E33-7 (GND) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY LH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    OK 

    See step  11

  11. CHECK TURN SIGNAL LIGHT (OUTER REAR VIEW MIRROR ASSEMBLY LH) 

    Pre-procedure1

    1. Remove the outer rear view mirror assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the outer rear view mirror assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the outer rear view mirror assembly LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.
      NOTE:

      If the front/side turn signal light (LH side) operates normally, return the outer rear view mirror assembly LH and outer rear view mirror assembly RH that were interchanged in a previous step back to their original conditions so that a component of the outer rear view mirror assembly LH can be inspected in the next step.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    See step  14

    Result: 

    A 

    See step  12

  12. CHECK TURN SIGNAL LIGHT (HAZARD WARNING SIGNAL SWITCH ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the D30 hazard warning signal switch assembly connector.

      Procedure1

    2. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (LH side) does not blink)      		 A
      Front/side turn signal light (LH side) operates normally B

      Post-procedure1

    3. None

    Result: 

    B 

    REPLACE HAZARD WARNING SIGNAL SWITCH ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    A 

    See step  13

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

    Pre-procedure1

    1. Disconnect the A49*1 or A60*2 headlight assembly LH connector.
    2. Disconnect the E33 outer mirror control ECU assembly LH connector.
    3. Disconnect the D22 combination meter assembly connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      A49-11 (TNS)*1, A60-1 (B)*2, E33-11 (TRNI), D30-4 (HFL) or D22-5 (LL) - Body ground Always 10 kΩ or higher
      1. *1: w/ Automatic Headlight Beam Level Control System
      2. *2: w/o Automatic Headlight Beam Level Control System

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    5. None

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  14. CHECK TURN SIGNAL LIGHT (SIDE TURN SIGNAL LIGHT ASSEMBLY LH) 

    Pre-procedure1

    1. Remove the side turn signal light assembly LH from the outer rear view mirror assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the side turn signal light assembly RH from the outer rear view mirror assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the side turn signal light assembly LH with RH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Front/side turn signal light (LH side) operates normally A
      Front/side turn signal light (LH side) does not blink B

      Post-procedure1

    5. None

    Result: 

    A 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE OUTER MIRROR RETRACTOR LH. Refer to  DISASSEMBLY [11/2021 - ] 

  15. CHECK TURN SIGNAL LIGHT (REAR COMBINATION LIGHT SOCKET AND WIRE LH) 

    Pre-procedure1

    1. Remove the rear combination light socket and wire LH from the rear combination light assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the rear combination light socket and wire RH from the rear combination light assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the rear combination light socket and wire LH with RH and connect the connectors.

      Procedure1

    4. Check the rear turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Rear turn signal light (LH side) does not blink)      		 A
      Rear turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE LH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    A 

    See step  16

  16. CHECK TURN SIGNAL LIGHT (REAR COMBINATION LIGHT LENS AND BODY LH) 

    Pre-procedure1

    1. Remove the rear combination light lens and body LH from the rear combination light assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the rear combination light lens and body RH from the rear combination light assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the rear combination light lens and body LH with RH and connect the connectors.

      Procedure1

    4. Check the rear turn signal light (LH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Rear turn signal light (LH side) does not blink)      		 A
      Rear turn signal light (LH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE REAR COMBINATION LIGHT LENS AND BODY LH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  17

  17. CHECK HARNESS AND CONNECTOR (REAR TURN SIGNAL LIGHT (LH SIDE) - COMBINATION METER ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the G109 rear combination light assembly LH connector.
    2. Disconnect the D22 combination meter assembly connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      G109-6 (TRN) or D22-22 (TRNL) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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

      Result

      Result Proceed to
      w/ Automatic Headlight Beam Level Control System A
      w/o Automatic Headlight Beam Level Control System B

    Result: 

    B 

    See step  25

    Result: 

    A 

    See step  19

  19. INSPECT HEADLIGHT ECU SUB-ASSEMBLY RH 

    Pre-procedure1

    1. Remove the headlight ECU sub-assembly RH from the headlight assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1068449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Headlight ECU Sub-assembly RH)      		 - -

      Standard Resistance

      Tester Connection Condition Specified Condition
      A50-11 (TNS) - A50-12 (GND) Always 10 kΩ or higher
      C-20 (TURN+) - C-6 (TURN-) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    OK 

    See step  20

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

      Result

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

    Result: 

    B 

    See step  23

    Result: 

    A 

    See step  21

  21. CHECK TURN SIGNAL LIGHT (HEADLIGHT TURN SIGNAL LED UNIT RH) 

    Pre-procedure1

    1. Remove the headlight turn signal LED unit RH from the headlight unit assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight turn signal LED unit LH from the headlight unit assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight turn signal LED unit RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE HEADLIGHT TURN SIGNAL LED UNIT RH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  22

  22. CHECK TURN SIGNAL LIGHT (HEADLIGHT UNIT ASSEMBLY RH) 

    Pre-procedure1

    1. Remove the headlight unit assembly RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight unit assembly LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight unit assembly RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    A 

    See step  26

    Result: 

    B 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [11/2021 - ] 

  23. CHECK TURN SIGNAL LIGHT (FRONT TURN SIGNAL LIGHT SOCKET AND WIRE RH) 

    Pre-procedure1

    1. Remove the front turn signal light socket and wire RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the front turn signal light socket and wire LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the front turn signal light socket and wire RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET AND WIRE RH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  24

  24. CHECK TURN SIGNAL LIGHT (HEADLIGHT UNIT ASSEMBLY RH) 

    Pre-procedure1

    1. Remove the headlight unit assembly RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the headlight unit assembly LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the headlight unit assembly RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    A 

    See step  26

    Result: 

    B 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  DISASSEMBLY [11/2021 - ] 

  25. CHECK TURN SIGNAL LIGHT (FRONT TURN SIGNAL LIGHT SOCKET RH) 

    Pre-procedure1

    1. Remove the front turn signal light socket RH from the headlight assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the front turn signal light socket LH from the headlight assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the front turn signal light socket RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET RH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  26

  26. INSPECT OUTER MIRROR CONTROL ECU ASSEMBLY RH 

    Pre-procedure1

    1. Remove the outer mirror control ECU assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.
      GTY1068332Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Outer Mirror Control ECU Assembly RH)

      Standard Resistance

      Tester Connection Condition Specified Condition
      F-16 (T+) - F-12 (GND) Always 10 kΩ or higher
      F11-11 (TRNI) - E11-7 (GND) Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE OUTER MIRROR CONTROL ECU ASSEMBLY RH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    OK 

    See step  27

  27. CHECK TURN SIGNAL LIGHT (OUTER REAR VIEW MIRROR ASSEMBLY RH) 

    Pre-procedure1

    1. Remove the outer rear view mirror assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the outer rear view mirror assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the outer rear view mirror assembly RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.
      NOTE:

      If the front/side turn signal light (RH side) operates normally, return the outer rear view mirror assembly RH and outer rear view mirror assembly LH that were interchanged in a previous step back to their original conditions so that a component of the outer rear view mirror assembly RH can be inspected in the next step.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Front/side turn signal light (RH side) does not blink)      		 A
      Front/side turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    See step  29

    Result: 

    A 

    See step  28

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

    Pre-procedure1

    1. Disconnect the A50*1 or A59*2 headlight assembly RH connector.
    2. Disconnect the E11 outer mirror control ECU assembly RH connector.
    3. Disconnect the D22 combination meter assembly connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      A50-11 (TNS)*1, A59-1 (B)*2, E11-11 (TRNI) or D22-6 (LR) - Body ground Always 10 kΩ or higher
      1. *1: w/ Automatic Headlight Beam Level Control System
      2. *2: w/o Automatic Headlight Beam Level Control System

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    5. None

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  29. CHECK TURN SIGNAL LIGHT (SIDE TURN SIGNAL LIGHT ASSEMBLY RH) 

    Pre-procedure1

    1. Remove the side turn signal light assembly RH from the outer rear view mirror assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the side turn signal light assembly LH from the outer rear view mirror assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the side turn signal light assembly RH with LH and connect the connectors.

      Procedure1

    4. Check the front/side turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Front/side turn signal light (RH side) operates normally A
      Front/side turn signal light (RH side) does not blink B

      Post-procedure1

    5. None

    Result: 

    A 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    B 

    REPLACE OUTER MIRROR RETRACTOR RH. Refer to  DISASSEMBLY [11/2021 - ] 

  30. CHECK TURN SIGNAL LIGHT (REAR COMBINATION LIGHT SOCKET AND WIRE RH) 

    Pre-procedure1

    1. Remove the rear combination light socket and wire RH from the rear combination light assembly RH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    2. Remove the rear combination light socket and wire LH from the rear combination light assembly LH.

      HINT: 

      Refer to REMOVAL [11/2021 - ]

    3. Interchange the rear combination light socket and wire RH with LH and connect the connectors.

      Procedure1

    4. Check the rear turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Rear turn signal light (RH side) does not blink)      		 A
      Rear turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE RH. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    A 

    See step  31

  31. CHECK TURN SIGNAL LIGHT (REAR COMBINATION LIGHT LENS AND BODY RH) 

    Pre-procedure1

    1. Remove the rear combination light lens and body RH from the rear combination light assembly RH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    2. Remove the rear combination light lens and body LH from the rear combination light assembly LH.

      HINT: 

      Refer to DISASSEMBLY [11/2021 - ]

    3. Interchange the rear combination light lens and body RH with LH and connect the connectors.

      Procedure1

    4. Check the rear turn signal light (RH side) operates normally.

      Result

      Result Proceed to
      Problem symptoms do not change
      (Rear turn signal light (RH side) does not blink)      		 A
      Rear turn signal light (RH side) operates normally B

      Post-procedure1

    5. None

    Result: 

    B 

    REPLACE REAR COMBINATION LIGHT LENS AND BODY RH. Refer to  DISASSEMBLY [11/2021 - ] 

    Result: 

    A 

    See step  32

  32. CHECK HARNESS AND CONNECTOR (REAR TURN SIGNAL LIGHT (RH SIDE) - COMBINATION METER ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the G18 rear combination light assembly RH connector.
    2. Disconnect the D22 combination meter assembly connector.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      G18-6 (TRN) or D22-21 (TRNR) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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