Load compensation inspection
- Start the engine and let it idle.
- Connect the M-MDS to the DLC-2.
- Verify that DTC P0506-00: or P0507-00: is not displayed. (See DTC INSPECTION
.)
- Select the ENG_RPM PID.
NOTE:
- Excludes temporary idle speed drop just after the loads are turned on.
- Verify that the engine speed is within specification under each load condition.
- If the load condition is not as specified, inspect the following:
- A/C switch and related wiring harness system (A/C request signal is always on or off)
- Electrical load
- Charging system (Refer to BATTERY INSPECTION
in service information.)