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Home >> Toyota >> 2020 >> Avalon Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 32 (Hybrid Control System - Diagnostic Codes (U0111-U0424) & Circuit Tests (Lithium-Ion)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> Indicator Circuit [08/2020 - ] >> Procedure

Indicator Circuit [08/2020 - ]: Procedure

WARNING: This page is about a different car, the 2022 Toyota Avalon and 2021 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK SHIFT POSITION INDICATOR 
    1. Turn the power switch on (ACC).
    2. Check that each shift position indicator light turns on correctly.

      Result

      Result Proceed to
      All shift position indicator lights turn on simultaneously A
      Shift position indicator lights other than corresponding one turn on B
      Corresponding shift position indicator light does not turn on C
      No shift position indicator lights turn on D
    3. Turn the power switch off.

    Result: 

    B 

    See step  2

    Result: 

    C 

    See step  4

    Result: 

    D 

    See step  4

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND) 
    1. Disconnect the G46 and G47 hybrid vehicle control ECU connectors.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G47-13 (INDP) - Body ground and other terminals Always 10 kΩ or higher
      G46-8 (INDR) - Body ground and other terminals Always 10 kΩ or higher
      G47-12 (INDN) - Body ground and other terminals Always 10 kΩ or higher
      G47-11 (INDD) - Body ground and other terminals Always 10 kΩ or higher
      G47-10 (INDM) - Body ground and other terminals Always 10 kΩ or higher
      GTY936526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
    3. Reconnect the G46 and G47 hybrid vehicle control ECU connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR) 
    1. Disconnect the G46 and G47 hybrid vehicle control ECU connectors.
    2. Disconnect the G116 shift position indicator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G47-13 (INDP) or G116-4 (P) - Body ground and other terminals Always 10 kΩ or higher
      G46-8 (INDR) or G116-3 (R) - Body ground and other terminals Always 10 kΩ or higher
      G47-12 (INDN) or G116-2 (N) - Body ground and other terminals Always 10 kΩ or higher
      G47-11 (INDD) or G116-1 (D) - Body ground and other terminals Always 10 kΩ or higher
      G47-10 (INDM) or G116-8 (S) - Body ground and other terminals Always 10 kΩ or higher
      GTY886224Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
      *b Front view of wire harness connector
      (to Shift Position Indicator)
    4. Reconnect the G116 shift position indicator connector.
    5. Reconnect the G46 and G47 hybrid vehicle control ECU connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT POSITION INDICATOR. Refer to  PROCEDURE - Step 1 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  4. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the G116 shift position indicator connector.
    2. Turn the power switch on (ACC).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G116-10 (PWR) - Body ground Power switch on (ACC) 11 to 14 V
      GTY935751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Shift Position Indicator)
    4. Turn the power switch off.
    5. Reconnect the G116 shift position indicator connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE POWER SOURCE CIRCUIT 

    Result: 

    OK 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL ACCI) 
    1. Turn the power switch on (ACC).
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A23-22 (ACCI) - Body ground Power switch on (ACC) 11 to 14 V
      GTY895497Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU)
    3. Turn the power switch off.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE POWER SOURCE CIRCUIT 

    Result: 

    OK 

    See step  6

  6. CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN) 
    1. Disconnect the G46 and G47 hybrid vehicle control ECU connectors.
    2. Turn the power switch on (ACC).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G47-13 (INDP) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      G46-8 (INDR) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      G47-12 (INDN) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      G47-11 (INDD) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      G47-10 (INDM) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      GTY936526Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
    4. Turn the power switch off.
    5. Reconnect the G46 and G47 hybrid vehicle control ECU connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [04/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - ] 

    Result: 

    NG 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU - SHIFT POSITION INDICATOR) 
    1. Disconnect the G46 and G47 hybrid vehicle control ECU connectors.
    2. Disconnect the G116 shift position indicator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G47-13 (INDP) - G116-4 (P) Always Below 1 Ω
      G46-8 (INDR) - G116-3 (R) Always Below 1 Ω
      G47-12 (INDN) - G116-2 (N) Always Below 1 Ω
      G47-11 (INDD) - G116-1 (D) Always Below 1 Ω
      G47-10 (INDM) - G116-8 (S) Always Below 1 Ω
      GTY886225Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Hybrid Vehicle Control ECU)
      *b Front view of wire harness connector
      (to Shift Position Indicator)
    4. Reconnect the G116 shift position indicator connector.
    5. Reconnect the G46 and G47 hybrid vehicle control ECU connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT POSITION INDICATOR. Refer to  PROCEDURE - Step 1 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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