LEMON Manuals: Even more car manuals for everyone
Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P100A: VVEL System >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 
    • If DTC P100A or P100B is displayed with DTC P1090 or P1093 first perform the trouble diagnosis for DTC P1090 or P1093.
    • If DTC P100A or P100B is displayed with DTC P0101, first perform the trouble diagnosis for DTC P0101.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. VVEL ACTUATOR MOTOR OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
    1. Disconnect VVEL control module harness connector.
    2. Disconnect VVEL actuator motor harness connector.
    3. Check the continuity between VVEL control module harness connector and VVEL actuator motor harness connector.

      DTC No.

      VVEL control module

      VVEL actuator motor

      Continuity

      Bank

      Connector

      Terminal

      Connector

      Terminal

      P100A

      1

      F84

      12

      F88

      1

      Existed

      2

      Not existed

      25

      1

      Not existed

      2

      Existed

      P100B

      2

      2

      F85

      1

      Existed

      2

      Not existed

      15

      1

      Not existed

      2

      Existed
    4. Also check harness for short to ground and power.

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    GO TO 3.

  3. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness for open or short between VVEL actuator motor and VVEL control module
    • Loose or poor connection for each connector and harness

    Repair open circuit, short to ground or short to power in harness or connectors.

  4. CHECK VVEL ACTUATOR MOTOR 

    Refer to Component Inspection (VVEL ACTUATOR MOTOR) .

    Is the inspection result normal?

    YES

    GO TO 6.

    NO

    GO TO 5.

  5. REPLACE VVEL ACTUATOR MOTOR ASSEMBLY 

    Replace VVEL actuator motor assembly. Refer to Removal and Installation .

    INSPECTION END

  6. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    Is the inspection result normal?

    YES

    GO TO 7.

    NO

    Repair or replace.

  7. REPLACE VVEL CONTROL MODULE 

    Replace VVEL control module. Refer to Removal and Installation .

    GO TO 8.

  8. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON.
    2. Erase 1st trip DTC.
    3. Perform DTC Confirmation Procedure.

      See DTC Description .

    Is the DTC P100A or P100B displayed again?

    YES

    GO TO 9.

    NO

    INSPECTION END

  9. CHECK VVEL ACTUATOR HOUSING ASSEMBLY 

    Refer to Component Inspection (VVEL ACTUATOR HOUSING ASSEMBLY) .

    Is the inspection result normal?

    YES

    GO TO 11.

    NO

    GO TO 10.

  10. REPLACE VVEL ACTUATOR HOUSING ASSEMBLY 

    Replace VVEL actuator housing assembly. Refer to Removal and Installation .

    INSPECTION END

  11. CHECK VVEL LADDER ASSEMBLY 

    Refer to Inspection .

    Is the inspection result normal?

    YES

    GO TO 13.

    NO

    GO TO 12.

  12. REPLACE CYLINDER HEAD AND VVEL LADDER ASSEMBLY 

    Replace cylinder head and VVEL ladder assembly.

    Refer to Removal and Installation (Cylinder head).

    Refer to Removal and Installation (VVEL ladder assembly)

    INSPECTION END

  13. CHECK INTERMITTENT INCIDENT 

    Refer to Intermittent Incident .

    INSPECTION END

scientia non olet · About LEMON Manuals