SAAB WIS ONLINE

EDC16 / P0100 12

Read the instructions below then start the fault diagnostic procedure.

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

  P0100 12


Mass Air Circuit Malfunction

Fault symptom

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

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Ignition ON.
Engine not running.
Engine not overheated.

Fault criteria:

The signal at 0 rpm is below the limit value.

System reaction to a fault:

EGR turned off in case of fault.

OK report:

Input conditions fulfilled without a fault reported.

Checking the wiring harness

Faults in the control module female connector can be the cause of the DTC. Check the connector with respect to oxidation, depressed pins and pin clamping force.
Move the wiring harness at several spots and in several directions to reveal intermittent breaks and short-circuits. Check switches, connectors and crimp connections for oxidation, retracted pins and pin clamping force.

Diagnostic help

Diagnosis regards:


Functions in the diagnostic tool related to the fault:

Test value:
Air Mass Sensor
(See also description of readings/activations in diagnostic tool)