SAAB WIS ONLINE

EDC16 / P0100 21

Read the instructions below then start the fault diagnostic procedure.

Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general) Performance loss.

  P0100 21


Mass Air Flow Sensor, Air Temperature Signal, Open/Short

Fault symptom

Fault indicator lamp (for further information see WIS Fault diagnosis, general)

Performance loss.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.

Fault criteria:

Short-circuit to B+/ground or open-circuit.
Conditions above must be fulfilled for at least 0.6 s

System reaction to a fault:

Limp Home, engine torque limitation.
EGR turned off in case of fault.