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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 523 (Automatic Transmission (Re7R01B) (DTC/Circuit Diagnosis)) >> DTC/Circuit Diagnosis >> Shift Lock System >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK POWER SOURCE 
    1. Turn ignition switch OFF.
    2. Disconnect stop lamp switch connector.
    3. Turn ignition switch ON.
    4. Check the voltage between the stop lamp switch harness connector terminal and ground.

      +

      -

      Voltage

      (Approx.)

      Stop lamp switch

      Connector

      Terminal

      E38

      4

      Ground

      Battery voltage

    Is the inspection result normal?

    YES

    GO TO 2.

    NO

    GO TO 9.

  2. CHECK STOP LAMP SWITCH MOUNTING POSITION 

    Check stop lamp switch mounting position. Refer to Inspection and Adjustment .

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    Adjust stop lamp switch mounting position.

  3. CHECK STOP LAMP SWITCH 

    Check stop lamp switch. Refer to Component Inspection (Stop Lamp Switch) .

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Repair or replace stop lamp switch.

  4. CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND A/T SHIFT SELECTOR 
    1. Disconnect A/T shift selector connector.
    2. Check the continuity between the stop lamp switch harness connector terminal and the A/T shift selector harness connector terminal.

      Stop lamp switch

      A/T shift selector

      Continuity

      Connector

      Terminal

      Connector

      Terminal

      E38

      3

      M68

      3

      Yes

    Is the inspection result normal?

    YES

    GO TO 5.

    NO

    Repair or replace damaged parts.

  5. CHECK CIRCUIT BETWEEN STOP LAMP SWITCH AND A/T SHIFT SELECTOR 

    Check the continuity between the stop lamp switch harness connector terminal and ground.

    Stop lamp switch

    --

    Continuity

    Connector

    Terminal

    E38

    3

    Ground

    No

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    Repair or replace damaged parts.

  6. CHECK GROUND CIRCUIT 

    Check the continuity between the A/T shift selector harness connector terminal and ground.

    A/T shift selector

    --

    Continuity

    Connector

    Terminal

    M68

    1

    Ground

    Yes

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace damaged parts.

  7. CHECK PARK POSITION SWITCH 
    1. Disconnect park position switch connector.
    2. Check park position switch. Refer to Component Inspection (Park Position Switch) .

    Is the inspection result normal?

    YES

    GO TO 8.

    NO

    Repair or replace damaged parts.

  8. CHECK SHIFT LOCK SOLENOID 
    1. Disconnect shift lock solenoid connector.
    2. Check shift lock solenoid. Refer to Component Inspection (Shift Lock Solenoid) .

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Repair or replace damaged parts.

  9. DETECT MALFUNCTIONING ITEM 

    Check the following items:

    • Open or short circuit of the harness between ignition switch and stop lamp switch connector. Refer to appropriate wiring information .
    • Ignition switch
    • 10A fuse [No. 12, fuse block (J/B)]. Refer to appropriate wiring information .

    Is the inspection result normal?

    YES

    Check intermittent incident. Refer to Intermittent Incident .

    NO

    Repair or replace damaged parts.