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Home >> Infiniti >> 2014 >> QX80 AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator >> DTC/Circuit 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 and ground.
      Terminals Voltage (Approx.)
      (+) (-)
      Combination meter Ground
      Connector Terminal
      M34 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 and A/C auto amp. harness connector.
      Combination meter A/C auto amp. Continuity
      Connector Terminal Connector Terminal
      M34 19 M50 6 Existed
    4. Check continuity between combination meter harness connector and ground.
      Combination meter Ground Continuity
      Connector Terminal
      M34 19 Not existed

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Repair harness or connector.

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