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Home >> Toyota >> 2020 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 133 (Hybrid Control System (Lithium-Ion Battery) - Diagnostic Codes (6 Of 6) & Circuit Tests (1 Of 2)) >> HYBRID CONTROL SYSTEM (for LITHIUM-ION BATTERY) >> Indicator Circuit [06/2020 - ] >> Procedure

Indicator Circuit [06/2020 - ]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK SHIFT POSITION INDICATOR 
    1. Turn the ignition switch to 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 turns on B
      Corresponding shift position indicator light does not turn on C
      No shift position indicator lights turn on D
    3. Turn the ignition 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 A30 hybrid vehicle control ECU assembly connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A30-19 (INDP) - Body ground and other terminals Always 10 kΩ or higher
      A30-7 (INDR) - Body ground and other terminals Always 10 kΩ or higher
      A30-21 (INDN) - Body ground and other terminals Always 10 kΩ or higher
      A30-8 (INDD) - Body ground and other terminals Always 10 kΩ or higher
      A30-20 (INDM) - Body ground and other terminals Always 10 kΩ or higher
      GTY884975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
    3. Reconnect the A30 hybrid vehicle control ECU assembly connector.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - SHIFT POSITION INDICATOR) 
    1. Disconnect the A30 hybrid vehicle control ECU assembly connector.
    2. Disconnect the G74 shift position indicator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A30-19 (INDP) or G74-4 (P) - Body ground and other terminals Always 10 kΩ or higher
      A30-7 (INDR) or G74-3 (R) - Body ground and other terminals Always 10 kΩ or higher
      A30-21 (INDN) or G74-2 (N) - Body ground and other terminals Always 10 kΩ or higher
      A30-8 (INDD) or G74-1 (D) - Body ground and other terminals Always 10 kΩ or higher
      A30-20 (INDM) or G74-8 (S) - Body ground and other terminals Always 10 kΩ or higher
      GTY940997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Front view of wire harness connector
      (to Shift Position Indicator)
    4. Reconnect the G74 shift position indicator connector.
    5. Reconnect the A30 hybrid vehicle control ECU assembly connector.

      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 G74 shift position indicator connector.
    2. Turn the ignition switch to ON (ACC).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      G74-10 (PWR) - Body ground Ignition switch on (ACC) 11 to 14 V
      GTY881711Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Shift Position Indicator)
    4. Turn the ignition switch off.
    5. Reconnect the G74 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 ignition switch to ON (ACC).
    2. Measure the voltage according to the value(s) in the table below.
      GTY894625Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Hybrid Vehicle Control ECU Assembly)      		 - -

      Standard Voltage

      Tester Connection Condition Specified Condition
      A31-29 (ACCI) - Body ground Ignition switch ON (ACC) 11 to 14 V
    3. Turn the ignition 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 A30 hybrid vehicle control ECU assembly connector.
    2. Turn the ignition switch to ON (ACC).
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Condition Specified Condition
      A30-19 (INDP) - Body ground and other terminals Ignition switch ON (ACC) 11 to 14 V
      A30-7 (INDR) - Body ground and other terminals Ignition switch ON (ACC) 11 to 14 V
      A30-21 (INDN) - Body ground and other terminals Ignition switch ON (ACC) 11 to 14 V
      A30-8 (INDD) - Body ground and other terminals Ignition switch ON (ACC) 11 to 14 V
      A30-20 (INDM) - Body ground and other terminals Ignition switch ON (ACC) 11 to 14 V
      GTY884975Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
    4. Turn the ignition switch off.
    5. Reconnect the A30 hybrid vehicle control ECU assembly connectors.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE HYBRID VEHICLE CONTROL ECU ASSEMBLY. Refer to  REMOVAL [10/2019 - 08/2020]  , or refer to  REMOVAL [08/2020 - 12/2021]  , or refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

    Result: 

    NG 

    See step  7

  7. CHECK HARNESS AND CONNECTOR (HYBRID VEHICLE CONTROL ECU ASSEMBLY - SHIFT POSITION INDICATOR) 
    1. Disconnect the A30 hybrid vehicle control ECU assembly connectors.
    2. Disconnect the G74 shift position indicator connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A30-19 (INDP) - G74-4 (P) Always Below 1 Ω
      A30-7 (INDR) - G74-3 (R) Always Below 1 Ω
      A30-21 (INDN) - G74-2 (N) Always Below 1 Ω
      A30-8 (INDD) - G74-1 (D) Always Below 1 Ω
      A30-20 (INDM) - G74-8 (S) Always Below 1 Ω
      GTY940997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Hybrid Vehicle Control ECU Assembly)
      *b Front view of wire harness connector
      (to Shift Position Indicator)
    4. Reconnect the G74 shift position indicator connector.
    5. Reconnect the A30 hybrid vehicle control ECU assembly 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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