Diagnostic Procedure
WARNING: This page is about a different variant/trim than selected.
If idle air volume learning cannot be performed successfully, proceed as follows:
- Check that throttle valve is fully closed .
- Check PCV valve operation .
- Check that downstream of throttle valve is free from air leakage .
- When the above three items check out OK, engine component parts and their installation condition are questionable. Check and eliminate the cause of the incident
.
It is useful to perform TROUBLE DIAGNOSIS - SPECIFICATION VALUE .
- If any of the following conditions occur after the engine has started, eliminate the cause of the incident and perform Idle air volume learning all over again:
- Engine stalls .
- Erroneous idle .