SAAB WIS ONLINE

PSG16 / P0108 01

Read the instructions below then start the fault diagnostic procedure.

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

  P0108 01


Manifold Absolute Pressure Sensor Circuit. Short to B+.

Fault symptom

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

Performance loss.

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running.
The following diagnostic trouble codes may not be generated:
P0335, P0336 P0337
P2102

Fault criteria:

When input voltage exceeds 4.8 V for more than 0.6 seconds.

Dependent:

P0016
P0107, P0108
P0335
P2102
P2227, P2228, P2229

System reaction to a fault:

Limp Home, engine torque limitation.
EGR control and boost pressure control switched off.
The control module uses substitute value 101,3 kPa.

OK report:

Fault criteria NOT fulfilled for 0.6 s.

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:
BOOST PRESSURE
(See also description of readings/activations in diagnostic tool)