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Home >> Nissan-Datsun >> 2004 >> Altima Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System - 2.5L >> DTC P1706: PNP Switch >> Diagnostic Procedure >> Procedure A

Procedure A

  1. CHECK STARTING SYSTEM 

    Turn ignition switch OFF, then turn it to START.

    Does starter motor operate? 

    Yes or No

    1. Yes : GO TO 2.
    2. No : Refer to STARTERS .
  2. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I 
    1. Turn ignition switch OFF.
    2. Disconnect combination meter harness connector M23.
    3. Turn ignition switch ON.
    4. Check voltage between combination meter terminals 31 and ground with CONSULT-II or tester under the following conditions.
      Fig 1: Combination Meter Terminals Voltage Checking Conditions
      G02884863Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Checking Voltage Between Combination Meter Terminals 31 & Ground
      G02884864Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO  9.
    2. NG : GO TO 3.
  3. CHECK PNP SWITCH POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect PNP switch harness connector.
    3. Turn ignition switch ON.
    4. Check voltage between PNP switch terminal 3 and ground with CONSULT-II or tester.

      Refer to Wiring Diagram .

      Voltage: Battery voltage 

      Fig 3: Disconnecting PNP Switch Harness Connector
      G02884865Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    1. OK : GO TO  5.
    2. NG : GO TO 4.
  4. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors M71, F59
    • 10 A fuse
    • Fuse block (J/B) connector M4
    • Harness for open or short between PNP switch and fuse
    1. : Repair open circuit or short to ground or short to power in harness or connectors.
  5. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-I 
    1. Check harness continuity between PNP switch terminal 9 and combination meter terminal 31. Refer to Wiring Diagram .

      Continuity should exist. 

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

    OK or NG

    1. OK : GO TO  7.
    2. NG : GO TO 6.
  6. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors F58, M70
    • Harness for open or short between PNP switch and combination meter
    1. : Repair open circuit or short to ground or short to power in harness or connectors.
  7. CHECK PNP SWITCH 

    Refer to "DTC P0705 PARK/NEUTRAL POSITION SWITCH ".

    OK or NG

    1. OK : GO TO 8.
    2. NG : Replace PNP switch.
  8. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. >> INSPECTION END 
  9. CHECK PNP SWITCH INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT-II 
    1. Turn ignition switch OFF.
    2. Disconnect ECM harness connector.
    3. Check harness continuity between ECM terminal 102 and combination meter terminal 32. Refer to Wiring Diagram .

      Continuity should exist. 

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

    OK or NG

    1. OK : GO TO  11.
    2. NG : GO TO 10.
  10. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors M71, F59
    • Harness for open or short between ECM and combination meter
    1. : Repair open circuit or short to ground or short to power in harness or connectors.
  11. REPLACE COMBINATION METER 

    Refer to "COMBINATION METERS ".

    OK or NG

    1. OK : GO TO 12.
    2. NG : Replace combination meter
  12. CHECK INTERMITTENT INCIDENT 

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT ".

    1. >> INSPECTION END 
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