LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (2 Of 2) >> Shift (Electric Shift Control Module) >> P07EF-00 T/M Range Multi-Function Select >> DTC Diagnosis Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Diagnosis Procedure

  1. CHECK ELECTRIC SHIFT SELECTOR POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect the electric shift selector connector.
    3. Turn ignition switch ON.
    4. Check the voltage between electric shift selector vehicle side harness connector terminal and ground.
      Electric shift sensor + - Voltage(Approx.)
      Electric shift selector
      Connector Terminal
      1, 3, 5, 7 M251 18 Ground 5 V
      2, 4, 6, 8 13

    Is the inspection result normal?

    >>

    GO TO 3.

    >>

    GO TO 2.

  2. CHECK HARNESS BETWEEN ELECTRIC SHIFT CONTROL MODULE AND ELECTRIC SHIFT SELECTOR 
    1. Turn ignition switch OFF.
    2. Disconnect the electric shift control module connector.
    3. Check the continuity between the electric shift control module vehicle side harness connector terminal and the electric shift selector vehicle side harness connector terminal.
      Electric shift sensor Electric shift control module Electric shift selector Continuity
      Connector Terminal Connector Terminal
      1, 3, 5, 7 M242 19 M251 18 Existed
      2, 4, 6, 8 M241 48 13
    4. Check the continuity between the electric shift control module vehicle side harness connector terminal and ground.
      Electric shift sensor Electric shift control module Ground Continuity
      Connector Terminal
      1, 3, 5, 7 M242 19 Ground Not existed
      2, 4, 6, 8 M241 48

    Is the inspection result normal?

    >>

    Replace the electric shift control module. Refer to Removal and Installation .

    >>

    Repair or replace damaged parts.

  3. CHECK ELECTRIC SHIFT SELECTOR GROUND CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect the electric shift control module connector.
    3. Check the continuity between the electric shift control module vehicle side harness connector terminal and the electric shift selector vehicle side harness connector terminal.
      Electric shift sensor Electric shift control module Electric shift selector Continuity
      Connector Terminal Connector Terminal
      1, 3, 5, 7 M241 41 M251 12 Existed
      2, 4, 6, 8 50 24
    4. Check the continuity between the electric shift control module vehicle side harness connector terminal and ground.
      Electric shift sensor Electric shift control module Ground Continuity
      Connector Terminal
      1, 3, 5, 7 M241 41 Ground Not existed
      2, 4, 6, 8 50

    Is the inspection result normal?

    >>

    GO TO 4.

    >>

    Repair or replace damaged parts.

  4. CHECK HARNESS BETWEEN ELECTRIC SHIFT CONTROL MODULE AND ELECTRIC SHIFT SELECTOR 
    1. Check the continuity between the electric shift control module vehicle side harness connector terminal and the electric shift selector vehicle side harness connector terminal.
      Electric shift sensor Electric shift control module Electric shift selector Continuity
      Connector terminal Connector terminal
      1 M241 34 M251 2 Existed
      3 36 3
      5 44 4
      7 39 5
      2 35 14
      4 37 15
      6 45 16
      8 40 17
    2. Check the continuity between the electric shift control module vehicle side harness connector terminals and ground.
      Electric shift sensor Electric shift control module Ground Continuity
      Connector terminal
      1 M241 34 Ground Not existed
      3 36
      5 44
      7 39
      2 35
      4 37
      6 45
      8 40

    Is the inspection result normal?

    >>

    Replace the electric shift selector. Refer to Removal and Installation .

    >>

    Repair or replace damaged parts.