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)