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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1179 (Engine Control System - DTCS P0181 To P0550 (VK56DE)) >> DTC P0335: CKP Sensor (Pos) >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK GROUND CONNECTIONS
    1. Turn ignition switch OFF.
    2. Loosen and retighten ground screws on the body.

    Refer to "GROUND INSPECTION ".

    Fig 1: Checking Ground Connections
    G08165023Courtesy of NISSAN NORTH AMERICA, INC.

    OK or NG 

    OK: GO TO 2.

    NG: Repair or replace ground connections.

  2. CHECK CRANKSHAFT POSITION SENSOR (POS) POWER SUPPLY CIRCUIT
    1. Disconnect crankshaft position (CKP) sensor (POS) (1) harness connector.
      • Engine oil pan (2)
    2. Turn ignition switch ON.
      Fig 2: Identifying Crankshaft Position Sensor And Oil Pan
      G08165024Courtesy of NISSAN NORTH AMERICA, INC.
    3. Check voltage between CKP sensor (POS) terminal 3 and ground with CONSULT or tester.

    Voltage: Battery voltage 

    OK or NG 

    OK: GO TO  4.

    NG: GO TO 3.

    Fig 3: Checking Voltage Between CKP Sensor (POS) Terminal 3 And Ground Using Tester
    G08165025Courtesy of NISSAN NORTH AMERICA, INC.
  3. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors F32, E2
    • IPDM E/R harness connector E119
    • Harness for open or short between crankshaft position sensor (POS) and ECM
    • Harness for open or short between crankshaft position sensor (POS) and IPDM E/R

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

  4. CHECK CKP SENSOR (POS) GROUND CIRCUIT FOR OPEN AND SHORT
    1. Turn ignition switch OFF.
    2. Check harness continuity between CKP sensor (POS) terminal 1 and ground.

      Refer to WIRING DIAGRAM .

      Continuity should exist  .

    3. Also check harness for short to power.

    OK or NG 

    OK: GO TO  6.

    NG: GO TO 5.

  5. DETECT MALFUNCTIONING PART

    Check the following.

    • Harness connectors F32, E2
    • Harness for open or short between crankshaft position sensor (POS) and ground

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

  6. CHECK CKP SENSOR (POS) INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT
    1. Disconnect ECM harness connector.
    2. Check harness continuity between ECM terminal 13 and CKP sensor (POS) terminal 2.

      Refer to WIRING DIAGRAM .

      Continuity should exist  .

    3. Also check harness for short to ground and short to power.

    OK or NG 

    OK: GO TO 7.

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

  7. CHECK CRANKSHAFT POSITION SENSOR (POS)

    Refer to "COMPONENT INSPECTION ".

    OK or NG 

    OK: GO TO 8.

    NG: Replace crankshaft position sensor (POS). Refer to UNIT DISASSEMBLY AND ASSEMBLY .

  8. CHECK GEAR TOOTH

    Visually check for chipping signal plate gear tooth.

    OK or NG 

    OK: GO TO 9.

    NG: Replace the signal plate. Refer to UNIT DISASSEMBLY AND ASSEMBLY .

  9. CHECK INTERMITTENT INCIDENT

    Refer to "INTERMITTENT INCIDENT ".

    >> INSPECTION END 

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