Load compensation inspection

Start the engine and run it at idle.
Connect M-MDS 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 [L3, AJ] ).
  - Fan switch and related harness
    (See CLIMATE CONTROL UNIT INSPECTION [L3, AJ] ).
  - PSP switch and related harness
    (See POWER STEERING PRESSURE (PSP) SWITCH INSPECTION ).

Engine speed

ENGINE SPEED SPECIFICATION

Load condition

Engine speed (RPM)⁽¹⁾

No load

650-750

E/L operating

650-750

P/S operating

650-750

A/C operating⁽²⁾

Refrigerant pressure low⁽³⁾

750-850

Refrigerant pressure high⁽⁴⁾

750-850

⁽¹⁾	Neutral or P position

⁽²⁾	A/C switch and fan switch are on.

⁽³⁾	Refrigerant pressure switch (middle pressure) is off.

⁽⁴⁾	Refrigerant pressure switch (middle pressure) is on.