Load compensation inspection

Start the engine and run it at idle.
Connect the M-MDS to the DLC-2.
Verify that P0506 or P0507 is not displayed.
- If P0506 or P0507 are 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:
  - TR switch (AT)
    (See TRANSMISSION RANGE (TR) SWITCH INSPECTION ).
  - Neutral switch/CPP switch (MT)
    (See NEUTRAL SWITCH INSPECTION ).
    
    (See CLUTCH PEDAL POSITION (CPP) SWITCH INSPECTION ).
  - Climate control unit (A/C switch and blower fan switch)
    (See CLIMATE CONTROL UNIT INSPECTION [MANUAL AIR CONDITIONER] ).
    
    (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER] ).
  - A/C amplifier
    (See A/C AMPLIFIER INSPECTION [MANUAL AIR CONDITIONER] ).
    
    (See A/C AMPLIFIER INSPECTION [FULL-AUTO AIR CONDITIONER] ).
  - CAN signal and related wiring harness (P/S operation signal)
  - Charging system (battery and generator)
    (See BATTERY INSPECTION [13B-MSP] ).
    
    (See GENERATOR INSPECTION [13B-MSP] ).

STANDARD

Load status

Idling speed (rpm) N, D, R position (AT), Neutral position (MT)

N position

D position

R position

No load

760-860

770-870

Electrical loads on⁽¹⁾

780-880

760-860

740-840

760-860

A/C on
(standard)

780-880

760-860

750-850

760-860

A/C on
(standard)+ electrical loads on⁽¹⁾

780-880

760-860

750-850

790-890

A/C on
(heavy load)

800-900

780-880

790-890

⁽¹⁾	The headlight, rear window defroster, blower fan (2-step or more) are on.