SAAB WIS ONLINE

T8 / P1340 00

Read the instructions below then start the fault diagnostic procedure.

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

  P1340 00


Combustion Detection Signals CDM-T8, Open/Short

Fault symptom

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

On-board diagnosis

Type of diagnosis:

Continuous

Enable criteria:

Engine running.

Fault criteria:

No combustion signal detected from several cylinders. It was nevertheless possible to synchronize the camshaft position with the crankshaft position.

Dependent:

P1315

System reaction to a fault:

None

OK report:

When ignition and fuel injection are synchronised.

Fault handling:

Type III
(See section Fault handling III, "Other emission-related components and functions" for more information.)

Checking the wiring harness

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:

Electrical fault in the connecting leads or in the CDM.

Functions in the diagnostic tool related to the fault:

Test value:
Combustion Signal cyl 1+3
Combustion Signal cyl 2+4
Camshaft Position Syncronized

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