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A/C Cut-off Control System Inspection

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine
  2. Turn the A/C switch and the fan switch on
  3. Verify that the A/C compressor magnetic clutch actuates.
    • If it does not actuate, go to symptom troubleshooting "No. 23 A/C does not work sufficiently".
  4. Fully open the throttle valve and verify that the A/C compressor magnetic clutch does not actuate for 2-5 s. 
    • If it actuates, inspect as follows
      • A/C relay
      • 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 advance keyless entry and push button start)-A/C relay-PCM terminal 1I)
      • A/C related parts
      • APP1, APP2 PIDs
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