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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 569 (Automatic Transmission (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> DTC P0705: Transmission Range Sensor A >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK TCM INPUT SIGNALS 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "Data Monitor" in "TRANSMISSION".
    3. Select "D POSITION SW", "N POSITION SW", "R POSITION SW" and "P POSITION SW".
    4. Shift the selector lever through entire positions from "P" to "L" and check ON/OFF of each monitor item.

      Monitor item

      Test condition

      Condition

      D POSITION SW

      Selector lever: "D" position

      On

      Other than the above

      Off

      N POSITION SW

      Selector lever: "N" position

      On

      Other than the above

      Off

      R POSITION SW

      Selector lever: "R" position

      On

      Other than the above

      Off

      P POSITION SW

      Selector lever: "P" position

      On

      Other than the above

      Off

    SYMBOL Without CONSULT

    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Turn ignition switch ON.
    4. Shift the selector lever from "P" to "D" and check voltage between TCM harness connector terminals and ground.

      +

      -

      Test condition

      Voltage

      TCM

      Connector

      Terminal

      F25

      4

      Ground

      Selector lever: "D" position

      10 - 16 V

      Other than the above

      Approx. 0 V

      5

      Selector lever: "N" position

      10 - 16 V

      Other than the above

      Approx. 0 V

      6

      Selector lever: "R" position

      10 - 16 V

      Other than the above

      Approx. 0 V

      7

      Selector lever: "P" position

      10 - 16 V

      Other than the above

      Approx. 0 V

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    GO TO 2.

    NO

    GO TO 4.

    NO

    GO TO 8.

    NO

    GO TO 6.

  2. CHECK D POSITION SW CIRCUIT (PART 1) 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check continuity between TCM harness connector terminals.

      TCM

      Continuity

      Connector

      Terminal

      F25

      4

      2

      Not existed

      5

      6

      7

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace malfunctioning parts.

  3. CHECK D POSITION SW CIRCUIT (PART 2) 
    1. Disconnect transmission range switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between TCM harness connector terminal and ground.

      +

      -

      Voltage

      (Approx.)

      TCM

      Connector

      Terminal

      F25

      4

      Ground

      0 V

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

    Repair or replace malfunctioning parts.

  4. CHECK N POSITION SW CIRCUIT (PART 1) 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check continuity between TCM harness connector terminals.

      TCM

      Continuity

      Connector

      Terminal

      F25

      5

      2

      Not existed

      4

      6

      7

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace malfunctioning parts.

  5. CHECK N POSITION SW CIRCUIT (PART 2) 
    1. Disconnect transmission range switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between TCM harness connector terminal and ground.

      +

      -

      Voltage

      (Approx.)

      TCM

      Connector

      Terminal

      F25

      5

      Ground

      0 V

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

    Repair or replace malfunctioning parts.

  6. CHECK P POSITION SW CIRCUIT (PART 1) 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check continuity between TCM harness connector terminals.

      TCM

      Continuity

      Connector

      Terminal

      F25

      7

      2

      Not existed

      4

      5

      6

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace malfunctioning parts.

  7. CHECK P POSITION SW CIRCUIT (PART 2) 
    1. Disconnect transmission range switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between TCM harness connector terminal and ground.

      +

      -

      Voltage

      (Approx.)

      TCM

      Connector

      Terminal

      F25

      7

      Ground

      0 V

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

    Repair or replace malfunctioning parts.

  8. CHECK R POSITION SW CIRCUIT (PART1) 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check continuity between TCM harness connector terminals.

      TCM

      Continuity

      Connector

      Terminal

      F25

      6

      2

      Not existed

      4

      5

      7

    Is the inspection result normal?

    YES

    GO TO 9.

    NO

    Repair or replace malfunctioning parts.

  9. CHECK R POSITION SW CIRCUIT (PART 2) 
    1. Disconnect transmission range switch connector.
    2. Turn ignition switch ON.
    3. Check voltage between TCM harness connector terminal and ground.

      +

      -

      Voltage

      (Approx.)

      TCM

      Connector

      Terminal

      F25

      6

      Ground

      0 V

    Is the inspection result normal?

    YES

    GO TO 10.

    NO

    Repair or replace malfunctioning parts.

  10. CHECK TRANSMISSION RANGE SWITCH 

    Check transmission range switch. Refer to Component Inspection .

    Is the check result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Repair or replace malfunctioning parts.