2014 Mazda 3 SV, Automatic TransFACTORY OEM SERVICE PROCEDURE

A/C Cut-off Control System Inspection

  1. Start the engine.
  2. Turn the A/C switch and fan switch on.
  3. Verify that the A/C compressor magnetic clutch actuates.
  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 the following:
      • A/C relay (See RELAY INSPECTION .)
      • Open or short to ground in wiring harness and connectors (Front body control module (FBCM)-A/C relay--PCM terminal 2AF)
      • A/C related parts
      • APP1, APP2 PIDs (See PCM INSPECTION .)
RELATED PIDS

Item (definition) Unit/Condition Definition Condition/Specification (Reference)
APP1 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 1
  • Accelerator pedal released: Approx. 15%
  • Accelerator pedal fully depressed: Approx. 82%
V APP sensor No. 1 voltage
  • Accelerator pedal released: Approx. 0.75 V
  • Accelerator pedal fully depressed: Approx. 4.1 V
APP2 % Accelerator pedal opening angle (absolute value) input from APP sensor No. 2
  • Accelerator pedal released: Approx. 7.45%
  • Accelerator pedal fully depressed: Approx. 41%
V APP sensor No. 2 voltage
  • Accelerator pedal released: Approx. 0.38 V
  • Accelerator pedal fully depressed: Approx. 2.05 V
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.