ELECTRONIC SHIFT LEVER SYSTEM "Shift system malfunction See owner's manual" is Displayed on Multi-information Display

CAUTION / NOTICE / HINT

Note


  • After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.

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  • The vehicle is equipped with a sub-battery. Therefore, ensure there is no power being supplied to the vehicle when disconnecting or reconnecting the connector of the shift control ECU and when removing or installing the shift control ECU.

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PROCEDURE


  1. READ VALUE USING GTS (RANGE SENSOR VOLTAGE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Enter the following menus: Powertrain / Transmission / Data List / Park Pawl Position Sensor Voltage "A", Park Pawl Position Sensor Voltage "B".


      Powertrain > Transmission > Data List
      Tester Display
      Park Pawl Position Sensor Voltage "A"
      Park Pawl Position Sensor Voltage "B"
    4. Read the Data List according to the display on the GTS.

      Result
      Data List Item Condition Specified Condition
      Park Pawl Position Sensor Voltage "A" Shift state park (P) (15 to 35°C (59 to 95°F)) 1.35 to 1.81 V
      Park Pawl Position Sensor Voltage "B" Shift state park (P) (15 to 35°C (59 to 95°F)) 3.02 to 3.85 V
    5. Turn the engine switch off.

      Result
      Proceed to
      OK
      NG

    NG
    OK
  2. CHECK DTC OUTPUT (TRANSMISSION)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Depress the brake pedal and move the shift lever to select neutral (N).

    4. Enter the following menus: Powertrain / Transmission / Trouble Codes.


      Powertrain > Transmission > Trouble Codes
    5. Check if DTCs are output.

      Result
      Result Proceed to
      None of the DTCs are output. A
      Any of the DTCs are output. B
    6. Push the P position switch (shift position indicator) to select park (P).

    7. Turn the engine switch off.


    B
    A
  3. READ VALUE USING GTS (RANGE SENSOR VOLTAGE)


    1. Connect the GTS to the DLC3.

    2. Turn the engine switch on (IG).

    3. Depress the brake pedal and move the shift lever to select neutral (N).

    4. Enter the following menus: Powertrain / Transmission / Data List / Park Pawl Position Sensor Voltage "A", Park Pawl Position Sensor Voltage "B".


      Powertrain > Transmission > Data List
      Tester Display
      Park Pawl Position Sensor Voltage "A"
      Park Pawl Position Sensor Voltage "B"
    5. Read the Data List according to the display on the GTS.

      Result
      Data List Item Condition Specified Condition
      Park Pawl Position Sensor Voltage "A" Shift state neutral (N) (15 to 35°C (59 to 95°F)) 3.02 to 3.85 V
      Park Pawl Position Sensor Voltage "B" Shift state neutral (N) (15 to 35°C (59 to 95°F)) 1.35 to 1.81 V
    6. Push the P position switch (shift position indicator) to select park (P).

    7. Turn the engine switch off.

      Result
      Proceed to
      OK
      NG

    OK
    NG
  4. CHECK HARNESS AND CONNECTOR (SHIFT CONTROL ECU - RANGE SENSOR (SHIFT CONTROL ACTUATOR ASSEMBLY))


    1. Disconnect the A53 shift control ECU connector.

    2. Disconnect the G46 range sensor (shift control actuator assembly) connector.

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

      Standard Resistance (Check for Open)
      Tester Connection Condition Specified Condition
      A53-19 (VCNS) - G46-1 (VCNS) Always Below 1 Ω
      A53-20 (NS1) - G46-2 (NS1) Always Below 1 Ω
      A53-18 (NS2) - G46-4 (NS2) Always Below 1 Ω
      A53-17 (E2NS) - G46-3 (E2NS) Always Below 1 Ω
      Standard Resistance (Check for Short)
      Tester Connection Condition Specified Condition
      A53-19 (VCNS) or G46-1 (VCNS) - Body ground and other terminals Always 10 kΩ or higher
      A53-20 (NS1) or G46-2 (NS1) - Body ground and other terminals Always 10 kΩ or higher
      A53-18 (NS2) or G46-4 (NS2) - Body ground and other terminals Always 10 kΩ or higher
      A53-17 (E2NS) or G46-3 (E2NS) - Body ground and other terminals Always 10 kΩ or higher
    4. Reconnect the G46 range sensor (shift control actuator assembly) connector.

    5. Reconnect the A53 shift control ECU connector.

      Result
      Proceed to
      OK
      NG

    NG
    OK
  5. CHECK SHIFT CONTROL ECU (VCNS VOLTAGE)


    1. B000VX8C06
      *a

      Front view of wire harness connector

      (to Range Sensor (Shift Control Actuator Assembly))

      Disconnect the range sensor (shift control actuator assembly) connector.

    2. Turn the engine switch on (IG).

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      G46-1 (VCNS) - G46-3 (E2NS) Engine switch on (IG) 4.5 to 5.5 V

      Note

      Turning the engine switch on (IG) with the connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    4. Turn the engine switch off.

    5. Reconnect the range sensor (shift control actuator assembly) connector.

      Result
      Proceed to
      OK
      NG

    NG
    OK
  6. CHECK SHIFT CONTROL ECU (NS1, NS2 VOLTAGE)


    1. B000VEXC04
      *a

      Component with harness connected

      (Shift Control ECU)

      Turn the engine switch on (IG).

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      A53-20 (NS1) - A53-17 (E2NS) Shift state park (P) 1.35 to 1.81 V
      Shift state neutral (N) 3.02 to 3.85 V
      A53-18 (NS2) - A53-17 (E2NS) Shift state park (P) 3.02 to 3.85 V
      Shift state neutral (N) 1.35 to 1.81 V
    3. Turn the engine switch off.

      Result
      Proceed to
      OK
      NG

    OK
    NG
  7. CHECK SHIFT CONTROL ECU (CHECK RESISTANCE)


    1. Check that the voltage between the terminals of the sub-battery module assembly is 0 V.

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    2. Disconnect the cable from the negative (-) battery terminal.

    3. B000VX8C07
      *a

      Front view of wire harness connector

      (to Range Sensor (Shift Control Actuator Assembly))

      Disconnect the range sensor (shift control actuator assembly) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      G46-2 (NS1) - G46-1 (VCNS) 20°C (68°F) 180 to 220 kΩ
      G46-4 (NS2) - G46-1 (VCNS) 20°C (68°F) 180 to 220 kΩ
    5. Reconnect the range sensor (shift control actuator assembly) connector.

    6. Reconnect the cable to the negative (-) battery terminal.

      Result
      Proceed to
      OK
      NG

    OK
    NG