Load compensation inspection: Notes

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:
- 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 .)