Load compensation inspection

2013 Mazda 2 Sport, 1.5L Eng VIN Y, Standard TransSECTION Load compensation inspection
  1. Start the engine and idle it.
  2. Connect the M-MDS to the DLC-2.
  3. Verify that P0506:00 or P0507:00 is not displayed. (See ON-BOARD DIAGNOSTIC TEST [MZR 1.5] ).
  4. Access the RPM PID. (See ON-BOARD DIAGNOSTIC TEST [MZR 1.5] ).
    NOTE:
    • Excludes temporary idle speed drop just after the loads are turned on.
  5. Verify that the engine speed is within the specification under each load condition.
    • If load condition is not as specified, inspect the following:
      • A/C switch and related wiring harness
      • Fan switch and related wiring harness
IDLE-UP SPEED SPECIFICATIONS

Load status Idle speed (rpm)
ATX: P, N position MTX: Neutral
No load 600-700
A/C on (With A/C) Refrigerant pressure switch (middle pressure) is off 600-700 650-750
Refrigerant pressure switch (middle pressure) is on 700-800
Electrical loads on Generator generating current value 32-40 A  600-700 650-750
above 40 A  700-800
RENDER: 1.0x

NO RELATED

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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.