P1098

P1098

Diagnosis information - DME

Hot-film mass air flow meter - above/below limit value

Diagnostic conditions
- Supply voltage 10 V... 16 V
- Engine start

Possible fault causes
- Open circuit, short circuit to B+ or short circuit to ground in sensor line to hot-film mass airflow meter
- Open circuit in power supply line (12 V), ground supply line or sensor power supply line (5 V) to the hot-film mass airflow meter
- Hot-film mass airflow meter faulty
- DME control module faulty