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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission (Re0F10D) (DTC/Circuit Diagnosis)) >> DTC Diagnosis >> Transmission (TCM) >> DTC P2767: Input Speed Sensor B >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK OUTPUT SPEED SENSOR POWER CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect output speed sensor connector.
    3. Turn ignition switch ON.
    4. Check voltage between output speed sensor harness connector terminal and ground.

      +

      -

      Voltage

      Output speed sensor

      Connector

      Terminal

      F23

      3

      Ground

      10 - 16 V

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    GO TO 6.

  2. CHECK OUTPUT SPEED SENSOR GROUND CIRCUIT 

    Check continuity between output speed sensor harness connector terminal and ground.

    Output speed sensor

    --

    Continuity

    Connector

    Terminal

    F23

    1

    Ground

    Existed

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Repair or replace malfunctioning parts.

  3. CHECK CIRCUIT BETWEEN OUTPUT SPEED SENSOR AND TCM (PART 1) 
    1. Turn ignition switch OFF.
    2. Disconnect TCM connector.
    3. Check continuity between output speed sensor harness connector terminal and TCM harness connector terminal.

      Output speed sensor

      TCM

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      F23

      2

      F16

      34

      Existed

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace malfunctioning parts.

  4. CHECK CIRCUIT BETWEEN OUTPUT SPEED SENSOR AND TCM (PART 2) 

    Check continuity between output speed sensor harness connector terminal and ground.

    Output speed sensor

    --

    Continuity

    Connector

    Terminal

    F23

    2

    Ground

    Not existed

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace malfunctioning parts.

  5. CHECK TCM INPUT SIGNALS 
    1. Connect all of disconnected connectors.
    2. Lift the vehicle.
    3. Start the engine.
    4. Check frequency of output speed sensor.

      +

      -

      Condition

      Frequency

      (Approx.)

      TCM

      Connector

      Terminal

      F16

      34

      Ground
      • Shift position: "L" position
      • Vehicle speed: 20 km/h (12 MPH)

      200 Hz

      GNSJSDIA1897GB-897Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Replace output speed sensor. Refer to OUTPUT SPEED SENSOR : Removal & Installation .

  6. CHECK CIRCUIT BETWEEN IPDM E/R AND OUTPUT SPEED SENSOR 
    1. Disconnect IPDM E/R connector.
    2. Check continuity between IPDM E/R harness connector terminal and output speed sensor harness connector terminal.

      IPDM E/R

      Output speed sensor

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      F10

      70

      F23

      3

      Existed

    Is the check result normal?

    YES

    GO TO 7.

    NO

    Repair or replace malfunctioning parts.

  7. DETECT MALFUNCTIONING ITEMS 

    Check the following items:

    • Harness open circuit or short circuit between ignition switch and IPDM E/R. Refer to Wiring Diagram .
    • 10A fuse (No. 46, located in the IPDM E/R). Refer to Wiring Diagram .
    • IPDM E/R

    Is the check result normal?

    YES

    INSPECTION END

    NO

    Repair or replace malfunctioning parts.

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