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Home >> Infiniti >> 2003 >> M45 >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transaxle >> DTC P0705: Park/Neutral Position Switch >> Diagnostic Procedure
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Diagnostic Procedure

  1. CHECK PNP SWITCH CIRCUIT (WITH CONSULT-II) 

    With CONSULT-II 

    1. Turn ignition switch to "ON" position. (Do not start engine.)
    2. Select "MAIN SIGNALS" in "DATA MONITOR" mode for "A/T" with CONSULT-II.
    3. Read out "N.P", "R" and "D" position switches moving selector lever to each position.

    OK or NG 

    OK >> GO TO  5.

    NG >> GO TO  3.

    Fig 1: Checking PNP Switch Circuit (With Consult-II)
    G02021315Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK PNP SWITCH CIRCUIT (WITHOUT CONSULT-II) 

    Without CONSULT-II 

    1. Turn ignition switch to "ON" position. (Do not start engine.)
    2. Selector lever to "P", "R", "N", or "D" position to check the voltage between the TCM connector terminals and ground.
      Fig 2: Checking PNP Switch Circuit (Without Consult-II) (1 Of 2)
      G02021316Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK >> GO TO  5.

    NG >> GO TO 3.

    Fig 3: Checking PNP Switch Circuit (Without Consult-II) (2 Of 2)
    G02021317Courtesy of NISSAN MOTOR CO., U.S.A.
  3. DETECT MALFUNCTIONING ITEM 

    Check the following items.

    • Disconnection or short-circuit in the harness between TCM and A/T unit harness connector.
    • PNP switch. Refer to "COMPONENT INSPECTION ".

    OK or NG 

    OK >> GO TO 4.

    NG >> Repair or replace damaged parts.

  4. CHECK TERMINAL CORD ASSEMBLY 
    1. Remove oil pan. Refer to "Control Valve Assembly ".
    2. Disconnect A/T unit assembly harness connector and control valve assembly harness connector.
      Fig 4: Checking Terminal Cord Assembly (1 Of 2)
      G02021318Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Check continuity between A/T unit assembly harness connector and control valve assembly harness connector.
      Fig 5: Checking Terminal Cord Assembly (2 Of 2)
      G02021319Courtesy of NISSAN MOTOR CO., U.S.A.
    4. If OK, check harness for short to ground and short to power.
    5. Reinstall any part removed.

    OK or NG 

    OK >> Replace control valve assembly. Refer to "CONTROL VALVE ASSEMBLY ".

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

  5. CHECK DTC 

    Perform "DTC Confirmation Procedure". Refer to "DTC CONFIRMATION PROCEDURE ".

    OK or NG 

    OK >> INSPECTION END 

    NG >> GO TO 6.

  6. PERFORM TCM INSPECTION 
    1. Perform TCM input/output signal inspection.
    2. If NG, recheck TCM pin terminals for damage or loose connection with harness connector.

    OK or NG 

    OK >> INSPECTION END 

    NG >> Repair or replace damaged parts.

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