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 synchronized.

Fault handling:
Type III
(See Description of On-Board Diagnostics/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 Synchronized