Note: The idle speed on this engine is controlled automatically by the engine control unit.
1. Initial verification conditions:
A) The battery is in good condition.
b) Engine warmed up to normal operating temperature (coolant temperature at least 70°C).
V) All electrical consumers and air conditioning are off.
G) Automatic transmission selector in position "R".
d) Steering wheel in straight ahead position.
e) The accelerator pedal is not pressed.
and) There are no diagnostic trouble codes.
2. Connect the scanner to the diagnostic connector DLC2.
3. Menu "DATA LIST" select the crankshaft speed parameter "RPM" and check the idle speed.
- Idle speed - 695 - 745 rpm
4. Turn on the air conditioner and check the idle speed.
- Idle speed - 725 - 775 rpm
If the idle speed is out of the specified range, check the following components of the electronic engine control system:
- Accelerator pedal position sensor.
- coolant temperature sensor.
- Crankshaft and camshaft position sensors.
- Fuel accumulator pressure sensor.
- Injectors and injection pumps.
If the above components are OK, replace the ECM.