HYBRID CONTROL SYSTEM, Diagnostic DTC:P0851-775

DTC Code DTC Name
P0851-775 Park / Neutral Switch Input Circuit Low

DESCRIPTION

Refer to the description for DTC P0705-757 Click here.

DTC No. INF Code DTC Detection Condition Trouble Area
P0851 775 N signal line malfunction

  • Wire harness or connector

  • Shift lever position sensor

  • Power management control ECU

WIRING DIAGRAM

Refer to the wiring diagram for DTC P0705-757 Click here.

INSPECTION PROCEDURE

PROCEDURE


  1. CHECK DTC OUTPUT (HV)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the power switch on (IG).

    3. Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.

    4. Check if DTCs are output.

      Result
      Result Proceed to
      P0851-775 only is output. A
      P0705-757 is also output. B

    5. Turn the power switch off.


    B

    GO TO DTC CHART Click here

    A

  2. CHECK SHIFT LEVER POSITION SENSOR


    1. Turn the power switch on (IG).

    2. A01NERPE10
      Text in Illustration
      *1

      Component with harness connected

      (Power Management Control ECU)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      A81-12 (N) - Body ground Shift lever in N 11 to 14 V
      A81-12 (N) - Body ground Except shift lever in N 1.2 to 2.8 V

    3. Turn the power switch off.


    NG

    CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) Click here

    OK

  3. CHECK FOR INTERMITTENT PROBLEMS


    1. Check for intermittent problems Click here.

      Result
      Result Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    B

    REPLACE POWER MANAGEMENT CONTROL ECU (for RHD) Click here

    C

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

    A

    REPLACE POWER MANAGEMENT CONTROL ECU (for LHD) Click here

  4. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect the shift lever position sensor connector.

    2. Turn the power switch on (IG).

    3. A01NG2EE01
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Shift Lever Position Sensor)

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      D8-8 (+B) - Body ground Power switch on (IG) 11 to 14V

      Note

      Turning the power switch on (IG) with the shift lever position sensor connector disconnected causes other DTCs to be stored. Clear the DTCs after performing this inspection.

    4. Turn the power switch off.

    5. Connect the shift lever position sensor connector.


    NG

    CHECK AND REPAIR POWER SOURCE CIRCUIT

    OK

  5. INSPECT SHIFT LEVER POSITION SENSOR


    1. Disconnect the shift lever position sensor connector.

    2. A01NE70E03
      Text in Illustration
      *1

      Component without harness connected

      (Shift Lever Position Sensor)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      D8-8 (+B) - D8-2 (N) Shift lever in N Below 1 Ω
      D8-8 (+B) - D8-2 (N) Except shift lever in N 4.2 to 5.2 kΩ

    3. Connect the shift lever position sensor connector.


    NG

    REPLACE SHIFT LEVER POSITION SENSOR Click here

    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR