FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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P1340



P1340 00

Combustion Detection Signals CDM-T8, Open/Short







Fault symptom
- Check Engine

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)