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Home >> Infiniti >> 2005 >> G35 x >> Repair and Diagnosis >> Engine Performance >> Engine Control System - Sedan >> DTC P1706: PNP Switch >> Diagnostic Procedure >> M/T Models
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M/T Models

  1. CHECK PNP SWITCH GROUND CIRCUIT FOR OPEN AND SHORT 
    1. Turn ignition switch OFF.
    2. Disconnect Park/neutral position (PNP) switch harness connector.
    3. Check harness continuity between PNP switch terminal 2 and ground.

      Refer to Wiring Diagram.

      Continuity should exist. 

    4. Also check harness for short to power.

    OK or NG 

    1. OK: GO TO  3
    2. NG: GO TO 2.
  2. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors F102, M72
    • Harness for open or short between PNP switch and ground
    1. : Repair open circuit or short to power in harness or connectors.
  3. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT 
    1. Disconnect ECM harness connector.
    2. Check harness continuity between ECM terminal 102 and PNP switch terminal 1.

      Refer to Wiring Diagram.

      Continuity should exist. 

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

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  4. CHECK PNP SWITCH 

    Refer to "NEUTRAL POSITION SWITCH ".

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Replace PNP switch.
  5. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. : INSPECTION END