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Home >> Toyota >> 2021 >> RAV4 LE, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostic Codes (1 Of 2) >> Meter / Gauge System >> DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [02/2019 - 12/2021] >> Procedure

DTC B1507-18: Turn Signal Light Circuit Current Below Threshold [02/2019 - 12/2021]: Procedure

  1. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      w/ Headlight ECU A
      w/o Headlight ECU B

    Result: 

    B 

    See step  29

    Result: 

    A 

    See step  2

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

      Result

      Result Proceed to
      Front turn signal light LH and side turn signal light LH do not blink. A
      Front turn signal light RH and side turn signal light RH do not blink. B
      Front turn signal light LH does not blink. C
      Side turn signal light LH does not blink. D
      Front turn signal light RH does not blink. E
      Side turn signal light RH does not blink. F
      Rear turn signal light LH does not blink. G
      Rear turn signal light RH does not blink. H

    Result: 

    B 

    See step  5

    Result: 

    C 

    See step  7

    Result: 

    D 

    See step  13

    Result: 

    E 

    See step  16

    Result: 

    F 

    See step  22

    Result: 

    G 

    See step  25

    Result: 

    H 

    See step  27

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A11 headlight ECU sub-assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - A11-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the 4A instrument panel junction block assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - 4A-5 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A12 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - A12-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the 4A instrument panel junction block assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - 4A-4 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  7. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A11 headlight ECU sub-assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - A11-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  11

    Result: 

    OK 

    See step  8

  8. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      w/o AFS A
      w/ AFS B

    Result: 

    B 

    See step  12

    Result: 

    A 

    See step  9

  9. INSPECT HEADLIGHT UNIT ASSEMBLY LH 
    1. Remove the headlight unit assembly LH.

      for Triple Beam Headlight:

      Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

      for Single Beam Headlight:

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY840148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly LH)
      *b Component without harness connected
      (to Front Turn Signal Light Socket)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B-9 - C-1 Always Below 1 Ω
      B-13 - C-2 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH 

    for Triple Beam Headlight:

    Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

    for Single Beam Headlight:

    Refer to REMOVAL [02/2019 - 12/2021]

    Result: 

    OK 

    See step  10

  10. INSPECT FRONT SIDE TURN SIGNAL LIGHT SOCKET 
    1. Remove the headlight ECU sub-assembly LH.

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY940663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly LH)
    2. Apply auxiliary battery voltage to the headlight unit assembly LH and check that the light illuminates.

      OK

      Condition Specified Condition
      Auxiliary battery positive (+) → B-9
      Auxiliary battery negative (-) → B-13      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [02/2019 - 12/2021] 

    Result: 

    NG 

    REPLACE FRONT SIDE TURN SIGNAL LIGHT SOCKET 

    for Triple Beam Headlight:

    Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

    for Single Beam Headlight:

    Refer to REMOVAL [02/2019 - 12/2021]

  11. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY LH) 
    1. Disconnect the 4F instrument panel junction block assembly connector.
    2. Disconnect the A11 headlight ECU sub-assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4F-6 - A11-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  12. INSPECT HEADLIGHT UNIT ASSEMBLY LH 
    1. Remove the headlight ECU sub-assembly LH.

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY940663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly LH)
    2. Apply auxiliary battery voltage to the headlight unit assembly LH and check that the light illuminates.

      OK

      Condition Specified Condition
      Auxiliary battery positive (+) → B-9
      Auxiliary battery negative (-) → B-13      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH. Refer to  REMOVAL [02/2019 - 12/2021] 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY LH. Refer to  REMOVAL [02/2019 - 12/2021] 

  13. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH 
    1. Remove the outer rear view mirror assembly LH.

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the outer rear view mirror assembly LH.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  15

    Result: 

    OK 

    See step  14

  14. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY LH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the 4H instrument panel junction block assembly connector.
    2. Disconnect the J13 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
      4H-14 - J13-1 (B) Always Below 1 Ω
      J13-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  15. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY LH 
    1. Remove the side turn signal light assembly LH.

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the side turn signal light assembly LH.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH. Refer to  REMOVAL [11/2018 - ] 

    Result: 

    NG 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY LH. Refer to  REMOVAL [11/2018 - ] 

  16. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A12 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - A12-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  20

    Result: 

    OK 

    See step  17

  17. CHECK VEHICLE TYPE 
    1. Check vehicle condition.

      Result

      Result  Proceed to 
      w/o AFS A
      w/ AFS B

    Result: 

    B 

    See step  21

    Result: 

    A 

    See step  18

  18. INSPECT HEADLIGHT UNIT ASSEMBLY RH 
    1. Remove the headlight unit assembly RH.

      for Triple Beam Headlight:

      Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

      for Single Beam Headlight:

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY840148Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly RH)
      *b Component without harness connected
      (to Front Turn Signal Light Socket)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B-9 - C-1 Always Below 1 Ω
      B-13 - C-2 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH 

    for Triple Beam Headlight:

    Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

    for Single Beam Headlight:

    Refer to REMOVAL [02/2019 - 12/2021]

    Result: 

    OK 

    See step  19

  19. INSPECT FRONT SIDE TURN SIGNAL LIGHT SOCKET 
    1. Remove the headlight ECU sub-assembly RH.

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY940663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly RH)
    2. Apply auxiliary battery voltage to the headlight unit assembly RH and check that the light illuminates.

      OK

      Condition Specified Condition
      Auxiliary battery positive (+) → B-9
      Auxiliary battery negative (-) → B-13      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [02/2019 - 12/2021] 

    Result: 

    NG 

    REPLACE FRONT SIDE TURN SIGNAL LIGHT SOCKET 

    for Triple Beam Headlight:

    Refer to REMOVAL [02/2019 - 08/2020] , or refer to REMOVAL [08/2020 - ]

    for Single Beam Headlight:

    Refer to REMOVAL [02/2019 - 12/2021]

  20. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - HEADLIGHT ECU SUB-ASSEMBLY RH) 
    1. Disconnect the 4F instrument panel junction block assembly connector.
    2. Disconnect the A12 headlight ECU sub-assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4F-8 - A12-11 (TNS) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  21. INSPECT HEADLIGHT UNIT ASSEMBLY RH 
    1. Remove the headlight ECU sub-assembly RH.

      Refer to REMOVAL [02/2019 - 12/2021]

      GTY940663Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (to Headlight ECU Sub-assembly RH)
    2. Apply auxiliary battery voltage to the headlight unit assembly RH and check that the light illuminates.

      OK

      Condition Specified Condition
      Auxiliary battery positive (+) → B-9
      Auxiliary battery negative (-) → B-13      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH. Refer to  REMOVAL [02/2019 - 12/2021] 

    Result: 

    NG 

    REPLACE HEADLIGHT UNIT ASSEMBLY RH. Refer to  REMOVAL [02/2019 - 12/2021] 

  22. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY RH 
    1. Remove the outer rear view mirror assembly RH.

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the outer rear view mirror assembly RH.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  24

    Result: 

    OK 

    See step  23

  23. CHECK HARNESS AND CONNECTOR (OUTER REAR VIEW MIRROR ASSEMBLY RH - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND BODY GROUND) 
    1. Disconnect the 4H instrument panel junction block assembly connector.
    2. Disconnect the I13 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
      4H-16 - I13-1 (B) Always Below 1 Ω
      I13-2 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  24. INSPECT SIDE TURN SIGNAL LIGHT ASSEMBLY RH 
    1. Remove the side turn signal light assembly RH.

      Refer to REMOVAL [11/2018 - ]

    2. Inspect the side turn signal light assembly RH.

      Refer to INSPECTION [11/2018 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH. Refer to  REMOVAL [11/2018 - ] 

    Result: 

    NG 

    REPLACE SIDE TURN SIGNAL LIGHT ASSEMBLY RH. Refer to  REMOVAL [11/2018 - ] 

  25. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE LH - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the N18 rear combination light socket and wire LH connector.
    2. Disconnect the G19 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      N18-4 (TRN) - G19-5 (TRNL) Always Below 1 Ω
      N18-3 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  26

  26. INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE LH 
    1. Disconnect the N18 rear combination light socket and wire LH connector.
      GTY926047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Combination Light Socket and Wire LH)
    2. Apply auxiliary battery voltage to the rear combination light socket and wire LH and check that the light illuminates.

      OK

      Condition Specified Condition
      Auxiliary battery positive (+) → Terminal 4 (TRN)
      Auxiliary battery negative (-) → Terminal 3 (E)      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE LH. Refer to  DISASSEMBLY [11/2018 - ] 

  27. CHECK HARNESS AND CONNECTOR (REAR COMBINATION LIGHT SOCKET AND WIRE RH - COMBINATION METER ASSEMBLY AND BODY GROUND) 
    1. Disconnect the M14 rear combination light socket and wire RH connector.
    2. Disconnect the G19 combination meter assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M14-4 (TRN) - G19-6 (TRNR) Always Below 1 Ω
      M14-3 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  28

  28. INSPECT REAR COMBINATION LIGHT SOCKET AND WIRE RH 
    1. Disconnect the M14 rear combination light socket and wire RH connector.
      GTY926047Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Rear Combination Light Socket and Wire RH)
    2. Apply auxiliary battery voltage to the rear combination light socket and wire RH and check that the light illuminates.

      Standard Voltage

      Condition Specified Condition
      Auxiliary battery positive (+) → Terminal 4 (TRN)
      Auxiliary battery negative (-) → Terminal 3 (E)      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    REPLACE REAR COMBINATION LIGHT SOCKET AND WIRE RH. Refer to  DISASSEMBLY [11/2018 - ] 

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

      Result

      Result Proceed to
      Front turn signal light LH and side turn signal light LH do not blink (w/ Side Turn Signal Light). A
      Front turn signal light RH and side turn signal light RH do not blink (w/ Side Turn Signal Light). B
      Front turn signal light LH does not blink. C
      Side turn signal light LH does not blink (w/ Side Turn Signal Light). D
      Front turn signal light RH does not blink. E
      Side turn signal light RH does not blink (w/ Side Turn Signal Light). F
      Rear turn signal light LH does not blink. G
      Rear turn signal light RH does not blink. H

    Result: 

    B 

    See step  32

    Result: 

    C 

    See step  34

    Result: 

    D 

    See step  13

    Result: 

    E 

    See step  37

    Result: 

    F 

    See step  22

    Result: 

    G 

    See step  25

    Result: 

    H 

    See step  27

    Result: 

    A 

    See step  30

  30. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A60 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - A60-1 (B) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    See step  31

  31. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the 4A instrument panel junction block assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - 4A-5 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  32. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A59 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - A59-1 (B) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    See step  33

  33. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the 4A instrument panel junction block assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - 4A-4 Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  34. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A60 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-1 (LL) - A60-1 (B) Always Below 1 Ω

      Result

      Result Proceed to
      OK (w/ Side Turn Signal Light) A
      OK (w/o Side Turn Signal Light) B
      NG C

    Result: 

    A 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET. Refer to  DISASSEMBLY [11/2018 - 08/2020]  , or refer to  DISASSEMBLY [08/2020 - 10/2022] 

    Result: 

    C 

    See step  36

    Result: 

    B 

    See step  35

  35. INSPECT FRONT TURN SIGNAL LIGHT SOCKET 
    1. Remove the front turn signal light socket.

      Refer to DISASSEMBLY [11/2018 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 10/2022]

      GTY913782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front Turn Signal Socket)
    2. Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.

      Standard Voltage

      Condition Specified Condition
      Auxiliary battery positive (+) → Terminal 1 (B)
      Auxiliary battery negative (-) → Terminal 2 (E)      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET. Refer to  DISASSEMBLY [11/2018 - 08/2020]  , or refer to  DISASSEMBLY [08/2020 - 10/2022] 

  36. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the 4F instrument panel junction block assembly connector.
    2. Disconnect the A60 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4F-6 - A60-1 (B) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  37. CHECK HARNESS AND CONNECTOR (COMBINATION METER ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the G19 combination meter assembly connector.
    2. Disconnect the A59 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G19-2 (LR) - A59-1 (B) Always Below 1 Ω

      Result

      Result Proceed to
      OK (w/ Side Turn Signal Light) A
      OK (w/o Side Turn Signal Light) B
      NG C

    Result: 

    A 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET. Refer to  DISASSEMBLY [11/2018 - 08/2020]  , or refer to  DISASSEMBLY [08/2020 - 10/2022] 

    Result: 

    C 

    See step  39

    Result: 

    B 

    See step  38

  38. INSPECT FRONT TURN SIGNAL LIGHT SOCKET 
    1. Remove the front turn signal light socket.

      Refer to DISASSEMBLY [11/2018 - 08/2020] , or refer to DISASSEMBLY [08/2020 - 10/2022]

      GTY913782Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Front Turn Signal Socket)
    2. Apply auxiliary battery voltage to the front turn signal light socket and check that the light illuminates.

      Standard Voltage

      Condition Specified Condition
      Auxiliary battery positive (+) → Terminal 1 (B)
      Auxiliary battery negative (-) → Terminal 2 (E)      		 Turn signal light illuminates

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE COMBINATION METER ASSEMBLY. Refer to  REMOVAL [11/2018 - 10/2022] 

    Result: 

    NG 

    REPLACE FRONT TURN SIGNAL LIGHT SOCKET. Refer to  DISASSEMBLY [11/2018 - 08/2020]  , or refer to  DISASSEMBLY [08/2020 - 10/2022] 

  39. CHECK HARNESS AND CONNECTOR (INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY - FRONT TURN SIGNAL LIGHT SOCKET) 
    1. Disconnect the 4F instrument panel junction block assembly connector.
    2. Disconnect the A59 front turn signal light socket connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      4F-8 - A59-1 (B) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY. Refer to  REMOVAL [02/2019 - 10/2019]  , or refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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