Load compensation 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.

Start the engine and idle it.
Connect the M-MDS to the DLC-2.
Verify that P0506:00 or P0507:00 is not displayed.
- If P0506:00 or P0507:00 are displayed, perform DTC inspection.
  (See DTC TABLE [L5] .)
Access the RPM PID.
NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
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
    (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER] .)
    
    (See CLIMATE CONTROL UNIT INSPECTION [MANUAL AIR CONDITIONER] .)
  - Fan switch and related wiring harness
    (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER] .)
    
    (See CLIMATE CONTROL UNIT INSPECTION [MANUAL AIR CONDITIONER] .)
  - Power steering pressure switch and related wiring harness
    (See POWER STEERING PRESSURE (PSP) SWITCH INSPECTION [L5] .)
  Idle speed (ATX: P, N position, MTX: Neutral position)
  
  600-700 RPM
  
  Idle-up speed (ATX: P, N position, MTX: Neutral position)
  
  A/C on and refrigerant pressure switch (middle pressure) is off: 600-700 RPM
  
  A/C on and refrigerant pressure switch (middle pressure) is on: 750-850 RPM
  
  Electrical loads on: 650-750 RPM (MTX), 600-750 RPM (ATX)
  
  While turning steering wheel: 650-750 RPM