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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission (DTC/Circuit Diagnosis) (2 Of 2) >> Shift (Electric Shift Control Module) >> P07EE-00 T/M Range Multi-Function Select >> DTC Diagnosis Procedure
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DTC Diagnosis Procedure

  1. CHECK ELECTRIC SHIFT CONTROL MODULE INPUT VOLTAGE 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "Data Monitor" in "SHIFT".
    3. Select "SHIFT SENSOR 1 VOLTAGE", "SHIFT SENSOR 2 VOLTAGE", "SHIFT SENSOR 3 VOLTAGE", "SHIFT SENSOR 4 VOLTAGE", "SHIFT SENSOR 5 VOLTAGE", "SHIFT SENSOR 6 VOLTAGE", "Shift sensor 7 voltage", and "Shift sensor 8 voltage".
    4. Operate the selector lever and check the voltage.
      Monitor item Condition Value / Status
      SHIFT SENSOR 1 VOLTAGE Selector lever is held in R position 0 V
      Other than the above 5 V
      SHIFT SENSOR 2 VOLTAGE Selector lever is held in R and Nr positions 0 V
      Other than the above 5 V
      SHIFT SENSOR 3 VOLTAGE Selector lever is held in H (Home) and Nr positions 0 V
      Other than the above 5 V
      SHIFT SENSOR 4 VOLTAGE Selector lever is held in H (Home) and Nr positions 0 V
      Other than the above 5 V
      SHIFT SENSOR 5 VOLTAGE Selector lever is held in H (Home) and Nd positions 0 V
      Other than the above 5 V
      SHIFT SENSOR 6 VOLTAGE Selector lever is held in H (Home) and Nd positions 0 V
      Other than the above 5 V
      Shift sensor 7 voltage Selector lever is held in D/M and Nd positions 0 V
      Other than the above 5 V
      Shift sensor 8 voltage Selector lever is held in D/M position 0 V
      Other than the above 5 V

    Is the inspection results normal?

    >>

    GO TO 2.

    >>

    INSPECTION END

  2. REMOVE ELECTRIC SHIFT SELECTOR 
    1. Turn ignition switch OFF.
    2. Remove the electric shift selector. Refer to Removal and Installation .
    3. Connect electric shift selector connector.

    >>

    GO TO 3.

  3. CHECK ELECTRIC SHIFT SELECTOR INPUT VOLTAGE 
    1. Turn ignition switch ON.
    2. Check the voltage between electric shift selector harness connector terminals and ground.
      + - Voltage(Approx.)
      Electric shift selector
      Connector Terminal
      M251 13 Ground 5 V
      18

    Is the inspection result normal?

    >>

    GO TO 5.

    >>

    GO TO 4.

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

    Is the inspection result normal?

    >>

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

    >>

    Repair or replace damaged parts.

  5. CHECK ELECTRIC SHIFT SELECTOR OUTPUT VOLTAGE 

    Check the voltage between the malfunctioning electric shift selector identified at Step 1 and ground.

    Electric shift sensor + - Condition Voltage(Approx.)
    Electric shift selector
    Connector Terminal
    1 M251 2 Ground Selector lever is held in R position 0 V
    Other than the above 5 V
    2 14 Selector lever is held in R and Nr positions 0 V
    Other than the above 5 V
    3 3 Selector lever is held in H (Home) and Nr positions 0 V
    Other than the above 5 V
    4 15 Selector lever is held in H (Home) and Nr positions 0 V
    Other than the above 5 V
    5 4 Selector lever is held in H (Home) and Nd positions 0 V
    Other than the above 5 V
    6 16 Selector lever is held in H (Home) and Nd positions 0 V
    Other than the above 5 V
    7 5 Selector lever is held in D/M and Nd positions 0 V
    Other than the above 5 V
    8 17 Selector lever is held in D/M position 0 V
    Other than the above 5 V

    Is the inspection result normal?

    >>

    GO TO 6.

    >>

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

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

    Is the inspection result normal?

    >>

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

    >>

    Repair or replace damaged parts.

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