Condition for fault identification
Test condition:
The fault is recognized when the actual idle speed falls below the specified idle speed by more than 300 RPM.
Potential problem source(s):
- Collateral fault from defective throttle valve
- Leak in air-induction tract between throttle valve and engine
Terminal condition: none
Voltage condition:
- Onboard electrical system voltage between 9 V and 16 V
Temperature condition:
- None
Time condition:
- None
Other conditions:
- Engine ON