P0101

102A02 - P0101

Information saved in
DME

Fault code
102A02 - P0101

Fault text
Air-mass sensor, signal: outside valid range

Fault description
Mass airflow signal

Condition for fault identification
Test condition:
Engine start completed
Terminal condition: Terminal 15
Voltage condition:
OBD1 conditions met (voltage between 10 V and 16 V)

Condition for fault memory entry
0.2 sec.

Action in service
1) Visual inspection of plug-in contacts (at both component
and DME ends)
2) Measure sensor wire, power supply and ground (possible
intermittent contact!)
3) Replace sensor

Fault effect and breakdown warning
none
none

Driver information
Warning light:
MIL ON

Service instruction
- Data configured