AUTOMATIC TRANSMISSION SYSTEM, Diagnostic DTC:P0705

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

DESCRIPTION

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

DTC No. DTC Detection Condition Trouble Area
P0705

  • (A) Any 2 or more signals of the following are ON simultaneously (2-trip detection logic)


    • P input signal is ON.

    • N input signal is ON.

    • NSW input signal is ON.

    • R input signal is ON.

    • D input signal is ON.

  • (B) When any of following conditions is met for 2.0 sec. or more in the M position (2-trip detection logic)


    • P input signal is ON.

    • N input signal is ON.

    • NSW input signal is ON.

    • R input signal is ON.

  • (C) All switches are OFF simultaneously for P, NSW, R, N and D positions (2-trip detection logic)

  • Open or short in park/neutral position switch circuit

  • Park/neutral position switch

  • ECM

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 ECM.

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 ECM according to the shift position (P, R, N, D, or M). The ECM determines that there is a problem with the switch or related parts if it receives more than 1 position signal simultaneously. The ECM will turn on the MIL and store the DTC.

WIRING DIAGRAM

A01FIS7E02

INSPECTION PROCEDURE


  1. DATA LIST

    Tech Tips

    Using the GTS 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 engine switch off.

    3. Connect the GTS to the DLC3.

    4. Turn the engine switch on (IG) position.

    5. Turn the GTS on.

    6. Select the item "Powertrain / Engine and ECT / Data List".

    7. According to the display on the GTS, read the "Data List".

      Engine and ECT
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Neutral Position SW Signal

      PNP switch status/

      ON or OFF

      • ON: Shift lever in P or N

      • OFF: Shift lever not in P or N

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

      PNP switch status/

      ON or OFF

      • ON: Shift lever in P

      • OFF: Shift lever not in P

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

      PNP switch status/

      ON or OFF

      • ON: Shift lever in R

      • OFF: Shift lever not in R

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

      PNP switch status/

      ON or OFF

      • ON: Shift lever in N

      • OFF: Shift lever not in N

      		 When the shift lever position displayed on the GTS differs from the actual position, the adjustment of the PNP switch or shift cable may be incorrect.
      Sports Shift Up SW

      Sport shift up switch status/

      ON or OFF

      • ON: Shift lever held in "+" (up-shift)

      • OFF: Shift lever not held in "+" (up-shift)

      		 -

      • ON: "+" shift paddle operated and held (up-shift)

      • OFF: "+" shift paddle not operated (up-shift)
      Sports Shift Down SW

      Sport shift down switch status/

      ON or OFF

      • ON: Shift lever held in "-" (down-shift)

      • OFF: Shift lever not held in "-" (down-shift)

      		 -

      • ON: "-" shift paddle operated and held (down-shift)

      • OFF: "-" shift paddle not operated (down-shift)
      Sports Mode Selection SW

      Sport mode select switch status/

      ON or OFF

      • ON: Shift lever in M, "+" or "-"

      • OFF: Shift lever not in M, "+" or "-"

      		 -
      Shift SW Status (D Range)

      PNP switch status/

      ON or OFF

      • ON: Shift lever in D, M, "+" or "-"

      • OFF: Shift lever not in D, M, "+" or "-"

      		 When the shift lever position displayed on the GTS differs from the actual position, the adjustment of the PNP switch or shift cable may be incorrect.

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (RH ECU-IG FUSE - PARK/NEUTRAL POSITION SWITCH)


    1. A01FE1PE03
      Text in Illustration
      *1

      Front view of wire harness connector

      (to Park/Neutral Position Switch)

      Disconnect the park/neutral position switch connector.

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

      Standard voltage
      Tester Connection Condition Specified Condition
      F65-2 (RB) - Body ground Engine switch on (IG) 11 to 14 V
      ↑ Engine switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. CHECK HARNESS AND CONNECTOR (NSW TERMINAL VOLTAGE)

    A01FE1PE04
    Text in Illustration
    *1

    Front view of wire harness connector

    (to Park/Neutral Position Switch)

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

      Standard voltage
      Tester Connection Condition Specified Condition
      F65-4 (B) - Body ground Engine switch on (IG) 11 to 14 V
      ↑ Engine switch off Below 1 V

    NG

    CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM) Click here

    OK

  3. INSPECT PARK/NEUTRAL POSITION SWITCH ASSEMBLY

    A01FEXWE05
    Text in Illustration
    *1

    Component without harness connected

    (Park/Neutral Position Switch)

    1. Measure resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard resistance
      Tester Connection Shift Position Specified Condition
      2 - 6 and 4 - 5 P Below 1 Ω
      ↑ Except P 10 kΩ or higher
      1 - 2 R Below 1 Ω
      ↑ Except R 10 kΩ or higher
      2 - 9 and 4 - 5 N Below 1 Ω
      ↑ Except N 10 kΩ or higher
      2 - 7 D, M, "+" and "-" Below 1 Ω
      ↑ Except D, M, "+" and "-" 10 kΩ or higher

    NG

    REPLACE PARK/NEUTRAL POSITION SWITCH ASSEMBLY Click here

    OK

  4. CHECK HARNESS AND CONNECTOR (RH ECU-IG FUSE - TRANSMISSION CONTROL SWITCH)


    1. A01FDZ8E03
      Text in Illustration
      *A for LHD
      *B for RHD
      *1

      Front view of wire harness connector

      (to Transmission Control Switch)

      Connect the park/neutral position switch connector.

    2. Disconnect the transmission control switch connector.

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

      Standard voltage
      for LHD
      Tester Connection Condition Specified Condition
      N50-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      ↑ Engine switch off Below 1 V
      for RHD
      Tester Connection Condition Specified Condition
      T11-4 (IG) - Body ground Engine switch on (IG) 11 to 14 V
      ↑ Engine switch off Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY)

    A01FFDZE02
    Text in Illustration
    *A for LHD
    *B for RHD
    *1

    Component without harness connected

    (Transmission Control Switch)

    1. Measure resistance according to the value(s) in the table below when the shift lever is moved to each position.

      Standard resistance
      Tester Connection Shift Position Specified Condition
      4 - 5 M, "+" and "-" Below 1 Ω
      ↑ Except M, "+" and "-" 10 kΩ or higher

    NG

    REPLACE TRANSMISSION CONTROL SWITCH (TRANSMISSION FLOOR SHIFT ASSEMBLY) Click here

    OK

  6. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH, TRANSMISSION CONTROL SWITCH - ECM)


    1. A01FHYBE02
      Text in Illustration
      *1

      Rear view of wire harness connector

      (ECM)

      Connect the transmission control switch connector.

    2. Turn the engine switch on (IG) position, and measure the voltage according to the value(s) in the table below when the shift lever is moved to each position.

      Standard voltage
      Tester Connection Shift Position Specified Condition
      F4-12 (P) - Body ground P 11 to 14 V
      ↑ Except P Below 1 V
      F4-11 (R) - Body ground R 11 to 14 V
      ↑ Except R Below 1 V
      F4-13 (N) - Body ground N 11 to 14 V
      ↑ Except N Below 1 V
      F4-14 (D) - Body ground D, M, "+" and "-" 11 to 14 V
      ↑ Except D, M, "+" and "-" Below 1 V
      A21-16 (S) - Body ground M, "+" and "-" 11 to 14 V
      ↑ Except M, "+" and "-" Below 1 V

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ECM Click here

  7. CHECK HARNESS AND CONNECTOR (PARK/NEUTRAL POSITION SWITCH - ECM)


    1. Disconnect the A21 ECM connector.

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

      Standard resistance
      Tester Connection Specified Condition
      F65-4 (B) - A21-29 (NSW) Below 1 Ω

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

      Standard resistance (Check for short)
      Tester Connection Specified Condition
      F65-4 (B) - Body ground 10 kΩ or higher
      A21-29 (NSW) - Body ground ↑

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE ECM Click here