115 Mass Air Flow Sensor - Above Limit
Diagnosis conditions
- Engine running
- Battery positive voltage greater than 8 V
Possible fault cause
- Intake air system on pressure side (between turbocharger and engine) leaks
- Short circuit to B+
- Mass air flow sensor faulty
- Throttle jacking unit faulty
NOTE:
- In the case of a fault, the PSM is switched off.
Affected terminals
Terminal III/23