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Home >> Nissan-Datsun >> 2009 >> 370Z Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> Component Diagnosis >> A/C Auto Amp. Connection Recognition Signal Circuit >> Diagnosis Procedure

Diagnosis Procedure

  1. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL
    1. Turn ignition switch ON.
    2. Check voltage between combination meter harness connector terminal and ground.
      TERMINALS VOLTAGE REFERENCE

      Terminals Voltage (Approx.)
      (+) (-)
      Combination meter Ground
      Connector Terminal
      M53 19 5 V

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: GO TO 2.

  2. CHECK A/C AUTO AMP. CONNECTION RECOGNITION SIGNAL CIRCUIT
    1. Turn ignition switch OFF.
    2. Disconnect combination meter connector and A/C auto amp. connector.
    3. Check continuity between combination meter harness connector terminal and A/C auto amp. harness connector terminal.
      TERMINALS CONTINUITY REFERENCE

      Combination meter A/C auto amp. Continuity
      Connector Terminal Connector terminal
      M53 19 M66 34 Existed
    4. Check continuity between combination meter harness connector and ground.
      TERMINALS CONTINUITY REFERENCE

      Combination meter Ground Continuity
      Connector Terminal
      M53 19 Not existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Repair harness or connector.

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