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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 117 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (2 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0335: CKP Sensor (Pos) >> Diagnosis Procedure >> Diagnostic Test

Diagnostic Test

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.

  1. CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY

    1. Disconnect crankshaft position (CKP) sensor (POS) harness connector.
    2. Turn ignition switch ON.
    3. Check the voltage between CKP sensor (POS) harness connector and ground.
      + - Voltage (V)
      CKP sensor (POS)
      Connector Terminal
      F11 1 Ground Approx. 5

    Is the inspection result normal?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 2  .

  2. CHECK CRANKSHAFT POSITION (CKP) SENSOR (POS) POWER SUPPLY CIRCUIT

    1. Turn ignition switch OFF
    2. Disconnect ECM harness connector.
    3. Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
      CKP sensor (POS) ECM Continuity
      Connector Terminal Connector Terminal
      F11 1 F78 28 Existed

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Repair or replace error-detected parts.

  3. CHECK CKP SENSOR (POS) GROUND CIRCUIT

    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
      CKP sensor (POS) ECM Continuity
      Connector Terminal Connector Terminal
      F11 2 F78 40 Existed
    4. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES 

    GO TO STEP 4  .

    NO 

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

  4. CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

    1. Check the continuity between CKP sensor (POS) harness connector and ECM harness connector.
      CKP sensor (POS) ECM Continuity
      Connector Terminal Connector Terminal
      F11 3 F78 36 Existed
    2. Also check harness for short to ground and short to power.

    Is the inspection result normal?

    YES 

    GO TO STEP 5  .

    NO 

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

  5. CHECK CRANKSHAFT POSITION SENSOR (POS)

    Check crankshaft position sensor (POS). Refer to COMPONENT INSPECTION .

    Is the inspection result normal?

    YES 

    GO TO STEP 6  .

    NO 

    Replace crankshaft position sensor (POS). Refer to REMOVAL AND INSTALLATION (UPPER OIL PAN) .

  6. CHECK GEAR TOOTH

    Visually check for chipping signal plate gear tooth.

    Is the inspection result normal?

    YES 

    Check intermittent incident. Refer to INTERMITTENT INCIDENT .

    NO 

    Replace the drive plate. Refer to DISASSEMBLY AND ASSEMBLY .

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