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СИСТЕМА АВТОМАТИЧЕСКОЙ ТРАНСМИССИИ С ЭЛЕКТРОННЫМ УПРАВЛЕНИЕМ, Diagnostic DTC:P0705/C2

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DTC Code DTC Name
P0705/C2 Transmission Range Sensor Circuit Malfunction (PRNDL Input)
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DESCRIPTION

The park/neutral position switch detects the shift lever position and sends signals to the TCM.

DTC No. DTC Detection Condition Trouble Area
P0705/C2

Any 2 or more signals of the following are ON simultaneously.

(2-trip detection logic)


  • NSW input signal is ON

  • R input signal is ON

  • 3 input signal is ON

  • 2 input signal is ON

  • L input signal is ON

  • Open or short in park/neutral position switch circuit

  • Park/neutral position switch

  • TCM
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MONITOR DESCRIPTION

These DTCs indicate a problem with the park/neutral position switch and the wire harness in the park/neutral position switch circuit.

The park/neutral position switch detects the shift lever position and sends a signal to the TCM.

For security, the park/neutral position switch detects the shift lever position so that engine can be started only when the shift lever is in the P or N position.

The park/neutral position switch sends a signal to the TCM according to the shift position (P, R, N, D, 3, 2 or L).

The TCM determines that there is a problem with the switch or related parts if it receives more than 1 position signal simultaneously. The TCM will turn on the MIL and store the DTC.

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WIRING DIAGRAM

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INSPECTION PROCEDURE


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  1. DATA LIST

    Tip:

    Using the intelligent tester to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be discovered before parts or wiring is disturbed. Reading the Data List information early in troubleshooting is one way to save diagnostic time.

    Note:

    In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not.


    1. Warm up the engine.

    2. Turn the ignition switch off.

    3. Connect the intelligent tester to the DLC3.

    4. Turn the ignition switch to the ON position.

    5. Turn on the tester.

    6. Select the item "Enter / Powertrain / ECT / Data List".

    7. Follow the instructions on the tester and read the Data List.

      Item

      Measurement Item/

      Range (display)

      		 Normal Condition Diagnostic Note
      Neutral Position SW Signal

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On P or N: ON

      • Not on P or N: OFF

      		 When the shift lever position displayed on the intelligent tester differs from the actual position, adjustment of the PNP switch or the shift cable may be incorrect.
      Shift SW Status (P Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On P: ON

      • Not on P: OFF
      Shift SW Status (R Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On R: ON

      • Not on R: OFF
      Shift SW Status (2 Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On 2: ON

      • Not on 2: OFF
      Shift SW Status (L Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On L: ON

      • Not on L: OFF
      Shift SW Status (N Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On N: ON

      • Not on N: OFF
      Shift SW Status (D Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On D or 3: ON

      • Not on D or 3: OFF
      Shift SW Status (3 Range)

      PNP SW Status/

      ON or OFF

      Shift lever is:


      • On 3: ON

      • Not on 3: OFF
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PROCEDURE


  1. Click here

    INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY


    1. A003ED7E27

      Jack up the vehicle.

    2. Disconnect the park/neutral position switch connector.

    3. Measure the resistance when the shift lever is moved to each position.

      Standard resistance
      Tester Connection Shift Position Specified Condition
      4 (B) - 5 (L) P or N Below 1 Ω
      Except P or N 10 kΩ or higher
      2 (RB) - 6 (PL) P Below 1 Ω
      Except P 10 kΩ or higher
      2 (RB) - 1 (RL) R Below 1 Ω
      Except R 10 kΩ or higher
      2 (RB) - 9 (NL) N Below 1 Ω
      Except N 10 kΩ or higher
      2 (RB) - 7 (DL) D or 3 Below 1 Ω
      Except D or 3 10 kΩ or higher
      2 (RB) - 3 (2L) 2 Below 1 Ω
      Except 2 10 kΩ or higher
      2 (RB) - 8 (LL) L Below 1 Ω
      Except L 10 kΩ or higher

  2. Click here

    INSPECT SHIFT LOCK CONTROL UNIT ASSEMBLY


    1. A003FP9E07

      Connect the park/neutral position switch connector.

    2. Disconnect the transmission control switch connector of shift lock control unit assembly.

    3. Measure the resistance when the shift lever is moved to each position.

      Standard resistance
      Tester Connection Shift Position Specified Condition
      1 (NSSD) - 2 (AT3) 3 Below 1 Ω
      1 (NSSD) - 2 (AT3) D 10 kΩ or higher

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    CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - TCM)


    1. A003HXBE01

      Connect the transmission control switch connector of shift lock control unit assembly.

    2. Turn the ignition switch to the ON position, and measure the voltage when the shift lever is moved to each position.

      Standard voltage
      Tester Connection Shift Position Specified Condition
      O1-12 (NSW) - Body ground P or N Below 2 V
      Except P and N 11 to 14 V

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    CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - TCM)


    1. A003HVHE01

      Disconnect the TCM connector.

    2. Turn the ignition switch to the ON position, and measure the voltage when the shift lever is moved to each position.

      Standard voltage
      Tester Connection Shift Position Specified Condition
      O1-13 (P) - Body ground P 11 to 14 V
      Except P Below 1 V
      O2-9 (R) - Body ground R 11 to 14 V*
      Except R Below 1 V
      O1-14 (N) - Body ground N 11 to 14 V
      Except N Below 1 V
      O2-8 (D) - Body ground D or 3 11 to 14 V
      Except D or 3 Below 1 V
      O2-12 (3) - Body ground 3 11 to 14 V
      Except 3 Below 1 V
      O2-11 (2) - Body ground 2 11 to 14 V
      Except 2 Below 1 V
      O2-10 (L) - Body ground L 11 to 14 V
      Except L Below 1 V
      Tip:

      *: The voltage will drop slightly due to the turning on of the back up light.


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    REPLACE TCM

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    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY

  7. Click here

    REPLACE SHIFT LOCK CONTROL UNIT ASSEMBLY

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    REPAIR OR REPLACE HARNESS OR CONNECTOR