T8 / P1344 00
Read the instructions below then
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
Ionization Signal or Trigg, Coil 4 to CDM, Open/Short
Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| No combustion signal detected from the cylinder in question. It was nevertheless possible to synchronize the camshaft position. |
Dependent:
| No fault in the Combustion Detection Module, P1315. |
System reaction to a fault:
OK report:
| Fault criterion not fulfilled during the driving cycle. |
Fault handling:
| (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 connecting leads or in the ignition coil and CDM. |
Functions in the diagnostic tool related to the fault:
| • | Combustion Signal cyl 2+4 |
| (See also description of readings/activations in diagnostic tool) |
