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Home >> Mitsubishi >> 2014 >> Lancer ES Sportback >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heating, Air Conditioning & Ventilation - With Diagnostics - Lancer >> On-Vehicle Service >> Simple Inspection Of The A/C Pressure Sensor

Simple Inspection Of The A/C Pressure Sensor

  1. Assemble a gauge manifold on the high pressure service valve.
  2. Disconnect the A/C pressure sensor connector and connect special tool test harness MB991658 as shown in the illustration (See Fig 2).
  3. Turn ON the engine and then turn ON the air conditioning switch.
    Fig 1: Identifying A/C Pressure Sensor Connector
    G09631195Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    Fig 2: Checking Voltage Between A/C Pressure Sensor Terminal 2 And Ground
    G09631196Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. At this time, check to see that the voltage of A/C pressure sensor terminal No. 2 reflects the specifications in the figure.
    NOTE: The allowance shall be defined as ±5%.
    Fig 3: VS Refrigerant Pressure Out Voltage Graph
    G09631197Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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