Load compensation inspection

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Start the engine and run it at idle.
Connect WDS or equivalent to the DLC-2.
Verify that P0506 or P0507 is not displayed.
- If P0506, or P0507 is displayed, perform DTC inspection.
  (See DTC TABLE .)
Select the RPM PID.
NOTE:
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 harness
    (See CLIMATE CONTROL UNIT INSPECTION .)
  - Fan switch and related harness
    (See CLIMATE CONTROL UNIT INSPECTION .)
  - PSP switch and related harness
    (See POWER STEERING PRESSURE (PSP) SWITCH INSPECTION .)