Load Compensation Inspection

Start the engine and idle it.
Connect the M-MDS to the DLC-2.
Verify that P0506:00 or P0507:00 is not displayed.
- If P0506:00 or P0507:00 are displayed, perform the DTC inspection. (See DTC P0506:00 .) (See DTC P0507:00 .)
Access the RPM PID. (See ON-BOARD DIAGNOSTIC TEST .)
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 system (A/C request signal always on or off) (See NO. 23 A/C DOES NOT WORK SUFFICIENTLY .) (See NO. 24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY .)
  - Electrical load
  - Charging system (See BATTERY INSPECTION .) (See GENERATOR INSPECTION .)
Idle-up speed (MTX: Neutral position, ATX: P, N position)
- A/C on: 600-800 rpm (MTX), 600-830 rpm (ATX)
- Electrical loads on: 650-770 rpm (MTX), 600-770 rpm (ATX)