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Home >> Toyota >> 2016 >> Highlander Hybrid Limited >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> Hybrid Control System - Diagnostic Codes (1 Of 6) & Circuit Tests (Hybrid) >> Hybrid Control System >> Circuit Tests >> Indicator Circuit [02/2014 - 11/2016] >> Procedure

Indicator Circuit [02/2014 - 11/2016]: Procedure

  1. CHECK SHIFT POSITION INDICATOR 
    1. Turn the power switch on (ACC).
    2. Check that each shift position indicator light turns on correctly.
      Result Proceed to
      All shift position indicator lights turn on simultaneously A
      Shift position indicator lights other than corresponding one turn on A
      Corresponding shift position indicator light does not turn on B
      No shift position indicator lights turn on B
    3. Turn the power switch off.

    Result: 

    B 

    See step  4

    Result: 

    A 

    Go to next step 

  2. CHECK HARNESS AND CONNECTOR (CHECK FOR SHORT TO GND) 
    1. Disconnect the F15 power management control ECU connector.
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F15-33 (INDP) - Body ground and other terminals Always 10 kΩ or higher
      F15-32 (INDR) - Body ground and other terminals Always 10 kΩ or higher
      F15-31 (INDN) - Body ground and other terminals Always 10 kΩ or higher
      F15-22 (INDD) - Body ground and other terminals Always 10 kΩ or higher
      F15-20 (INDM) - Body ground and other terminals Always 10 kΩ or higher
      GTY446283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Power Management Control ECU)
    3. Reconnect the F15 power management control ECU connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU.  Refer to COMPONENTS [02/2014 - 11/2016] .

    Result: 

    NG 

    Go to next step 

  3. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - SHIFT POSITION INDICATOR (SHIFTING HOLE BEZEL)) 
    1. Disconnect the F15 power management control ECU connector.
    2. Disconnect the Q1 shift position indicator (shifting hole bezel) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F15-33 (INDP) or Q1-4 (P) - Body ground and other terminals Always 10 kΩ or higher
      F15-32 (INDR) or Q1-3 (R) - Body ground and other terminals Always 10 kΩ or higher
      F15-31 (INDN) or Q1-2 (N) - Body ground and other terminals Always 10 kΩ or higher
      F15-22 (INDD) or Q1-1 (D) - Body ground and other terminals Always 10 kΩ or higher
      F15-20 (INDM) or Q1-5 (S) - Body ground and other terminals Always 10 kΩ or higher
      GTY432586Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Power Management Control ECU)
      *b Front view of wire harness connector
      (to Shift Position Indicator (Shifting Hole Bezel))
    4. Reconnect the Q1 shift position indicator (shifting hole bezel) connector.
    5. Reconnect the F15 power management control ECU connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT POSITION INDICATOR (SHIFTING HOLE BEZEL).  Refer to COMPONENTS [02/2014 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  4. CHECK FUSE (ECU-ACC) 
    1. Remove the ECU-ACC fuse from the instrument panel junction block assembly.
      GTY443191Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *1 Instrument Panel Junction Block Assembly
      *2 ECU-ACC Fuse
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      ECU-ACC fuse terminals Always Below 1 Ω
    3. Install the ECU-ACC fuse.
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE FUSE (ECU-ACC) 

    Result: 

    OK 

    Go to next step 

  5. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) 
    1. Disconnect the Q1 shift position indicator (shifting hole bezel) 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
      Q1-6 (PWR) - Body ground Power switch on (ACC) 11 to 14 V
      GTY430072Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Shift Position Indicator (Shifting Hole Bezel))
    4. Turn the power switch off.
    5. Reconnect the Q1 shift position indicator (shifting hole bezel) connector.
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE POWER SOURCE CIRCUIT 

    Result: 

    OK 

    Go to next step 

  6. 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
      A60-10 (ACCI) - Body ground Power switch on (ACC) 11 to 14 V
      GTY557535Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Management Control ECU)
    3. Turn the power switch off.
      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE POWER SOURCE CIRCUIT 

    Result: 

    OK 

    Go to next step 

  7. CHECK HARNESS AND CONNECTOR (CHECK FOR OPEN) 
    1. Disconnect the F15 power management control ECU 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
      F15-33 (INDP) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      F15-32 (INDR) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      F15-31 (INDN) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      F15-22 (INDD) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      F15-20 (INDM) - Body ground and other terminals Power switch on (ACC) 11 to 14 V
      GTY446283Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Power Management Control ECU)
    4. Turn the power switch off.
    5. Reconnect the F15 power management control ECU connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE POWER MANAGEMENT CONTROL ECU.  Refer to COMPONENTS [02/2014 - 11/2016] .

    Result: 

    NG 

    Go to next step 

  8. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - SHIFT POSITION INDICATOR (SHIFTING HOLE BEZEL)) 
    1. Disconnect the F15 power management control ECU connector.
    2. Disconnect the Q1 shift position indicator (shifting hole bezel) connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      F15-33 (INDP) - Q1-4 (P) Always Below 1 Ω
      F15-32 (INDR) - Q1-3 (R) Always Below 1 Ω
      F15-31 (INDN) - Q1-2 (N) Always Below 1 Ω
      F15-22 (INDD) - Q1-1 (D) Always Below 1 Ω
      F15-20 (INDM) - Q1-5 (S) Always Below 1 Ω
      GTY432585Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Rear view of wire harness connector
      (to Power Management Control ECU)
      *b Front view of wire harness connector
      (to Shift Position Indicator (Shifting Hole Bezel))
    4. Reconnect the Q1 shift position indicator (shifting hole bezel) connector.
    5. Reconnect the F15 power management control ECU connector.
      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SHIFT POSITION INDICATOR (SHIFTING HOLE BEZEL).  Refer to COMPONENTS [02/2014 - ] .

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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