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Home >> Nissan-Datsun >> 2005 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1706: PNP Switch >> Diagnostic Procedure >> Procedure B
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Procedure B

  1. CHECK STARTING SYSTEM 

    Turn ignition switch OFF, then turn it to START.

    Does starter motor operate? 

    Yes or No

  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 terminal 36 and ground with CONSULT-II or tester under the following conditions.
      Fig 1: Checking Voltage Between Combination Meter Terminal 36 & Ground
      G02474570Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 2: Terminal Voltage Condition Chart
      G02474569Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG

    • OK: GO TO  9.
    • NG: GO TO 3.
  3. CHECK PNP SWITCH POWER SUPPLY CIRCUIT 
    1. Turn ignition switch OFF.
    2. Disconnect PNP switch harness connector.
      Fig 3: Disconnecting PNP Switch Harness Connector
      G02474571Courtesy of NISSAN MOTOR CO., U.S.A.
    3. Turn ignition switch ON.
    4. Check voltage between PNP switch terminal 1 and ground with CONSULT-II or tester.

      Refer to WIRING DIAGRAM .

      • Voltage: Battery voltage 

    OK or NG

    • OK: GO TO  5.
    • NG: GO TO 4.
  4. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors E19, F33
    • Fuse block (J/B) connector E30
    • Harness for open or short between PNP switch and fuse
    • : 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 5 and combination meter terminal 36.

      Refer to WIRING DIAGRAM .

      • Continuity should exist. 
    2. Also check harness for short to ground and short to power.

    OK or NG

    • OK: GO TO  7.
    • NG: GO TO 6.
  6. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors E2, F32
    • Harness connectors E25, M90
    • Harness for open or short between PNP switch and combination meter
    • : 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

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

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT "

    • : 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 12.

      Refer to WIRING DIAGRAM .

      • Continuity should exist. 
    4. Also check harness for short to ground and short to power.

    OK or NG

    • OK: GO TO  11.
    • NG: GO TO 10.
  10. DETECT MALFUNCTIONING PART 

    Check the following.

    • Harness connectors E134, M83
    • Harness for open or short between ECM and combination meter
    • : 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

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

    Refer to "TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT "

    • : INSPECTION END 
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