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.

PROCEDURE


  1. CHECK DTC OUTPUT (HYBRID CONTROL)


    1. Connect the GTS 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 (P0705-757) Click here

    A

  2. CHECK SHIFT LEVER POSITION SENSOR


    1. Turn the power switch on (IG).

    2. A000NSKE02
      Text in Illustration
      *a

      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
      A36-11 (N) - Body ground

      Power switch on (IG)

      Shift lever in N

      		 11 to 14 V
      A36-11 (N) - Body ground

      Power switch on (IG)

      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

    Click here


    OK

    REPLACE POWER MANAGEMENT CONTROL ECU Click here

    NG

    REPAIR OR REPLACE MALFUNCTIONING PARTS, COMPONENT AND AREA

  4. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)


    1. Disconnect the shift lever position sensor connector.

    2. Turn the power switch on (IG).

    3. A000PJ6E02
      Text in Illustration
      *a

      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
      F65-7 (+B) - Body ground Power switch on (IG) 11 to 14 V

      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 HARNESS AND CONNECTOR (SHIFT LEVER POSITION SENSOR - POWER MANAGEMENT CONTROL ECU) Click here

    OK

  5. INSPECT SHIFT LEVER POSITION SENSOR


    1. Disconnect the shift lever position sensor connector.

    2. A000RB7E01
      Text in Illustration
      *a

      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
      F65-7 (+B) - F65-2 (N) Shift lever in N Below 1 Ω
      F65-7 (+B) - F65-2 (N) Except shift lever in N 4.2 to 5.2 kΩ

    3. Connect the shift lever position sensor connector.


    OK

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    NG

    REPLACE SHIFT LEVER POSITION SENSOR Click here

  6. CHECK HARNESS AND CONNECTOR (SHIFT LEVER POSITION SENSOR - POWER MANAGEMENT CONTROL ECU)


    1. Disconnect the shift lever position sensor connector.

    2. Disconnect the power management control ECU connector.

    3. A000QQRE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Shift Lever Position Sensor)
      *b

      Rear view of wire harness connector

      (to Power Management Control ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F65-7 (+B) - A35-9 (PSFT) Power switch off Below 1 Ω
      F65-7 (+B) or A35-9 (PSFT) - Body ground and other terminals Power switch off 10 kΩ or higher

    4. Connect the power management control ECU connector.

    5. Connect the shift lever position sensor connector.


    OK

    REPAIR OR REPLACE POWER SOURCE CIRCUIT

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR