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Home >> Mazda >> 2012 >> 6 s Touring Plus >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Symptom Troubleshooting [Engine Control System - MZI 3.7 V6] >> Engine Control System Operation Inspection >> A/C Cut-off Control System Inspection
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A/C Cut-off Control System Inspection

  1. Start the engine.
  2. Turn the A/C switch and the fan switch on.
  3. Verify that the magnetic clutch actuates.
  4. Fully open the throttle valve and verify that the magnetic clutch does not actuate for 2-5 s  .
    • If it actuates, inspect as follows:
      • A/C relay (See RELAY INSPECTION .)
      • Open or short to ground circuit in wiring harness and connectors (Ignition switch (without advanced keyless entry and push button start system)/IG2 relay (with advanced keyless entry and push button start system)-A/C relay-PCM terminal 1W)
      • A/C related parts
      • APP1, APP2 PIDs