Load compensation inspection

Start the engine and let it idle.
Connect the M-MDS to the DLC-2.
Select the 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) (Refer to NO. 23 A/C DOES NOT WORK SUFFICIENTLY .) (Refer to NO. 24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY .)
  - Electrical load
  - Charging system (Refer to BATTERY INSPECTION .) (Refer to GENERATOR INSPECTION .)
Idle-up speed (P, N position)
- No load: 700-800 rpm
- A/C on: 700-800 rpm
- Electrical loads on: 700-800 rpm