Load Compensation Inspection

Start the engine and run it at idle.
Connect the WDS or equivalent to the DLC-2.
Verify that P0506 or P0507 is not displayed.
- If P0506 or P0507 are displayed, perform DTC inspection (See DTC TABLES .)
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 wiring harness (See CLIMATE CONTROL UNIT INSPECTION .)
  - Fan switch and related wiring harness (See CLIMATE CONTROL UNIT INSPECTION .)
  - CAN signal and related wiring harness (P/S operation signal)