Diagnostic Trouble Code (DTC) Information
Diagnostic trouble code (DTC) information
Condition
If the idle condition is fulfilled and idle has deviated from the tolerance (normal idle -100 to +200 rpm), diagnostic trouble code ECM-620A is generated in the engine control module (ECM).
Substitute value
None.
Possible source
Idle speed too high:
- the engine load at idle speed has suddenly decreased (for example, a large power consuming component has been switched off).
Idle speed too low:
- the engine load at idle speed has suddenly increased (for example, when the steering wheel is turned sharply).
Fault symptom[s]
None.