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 TABLE .)
- If P0506 or P0507 are displayed, perform DTC inspection.
- 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)
- A/C switch and related wiring harness
Engine speed
LOAD CONDITION AND ENGINE SPEED (RPM) SPECIFICATIONLoad condition Engine speed (RPM)(1) MT AT No load 750-850 760-860 E/L operating(2) 750-850 780-880 A/C operating(3) Refrigerant pressure low(4) 760-860 780-880 Refrigerant pressure high(5) 790-890 800-900 A/C operating (refrigerant pressure low(4)) and E/L operating(2) 790-890 780-880 (1) Neutral or P position (2) Headlight switch and rear window defroster switch is turned on. Blower motor is operating (fan switch 2nd or above). (3) A/C switch and fan switch are on. (4) Refrigerant pressure switch (medium pressure) is off. (5) Refrigerant pressure switch (medium pressure) is on. - If load condition is not as specified, inspect the following: