T8 / P0340 00
Read the instructions below then 
start the fault diagnostic procedure.
Symptom: Fault indicator lamp (for further information see WIS Fault diagnosis, general)
	
Ignition synchronisation malfunction

Fault symptom
Fault indicator lamp (for further information see WIS Fault diagnosis, general)
On-board diagnosis
Type of diagnosis:
Enable criteria:
Fault criteria:
| Combustion detected from several cylinders simultaneously. The camshaft position could not be synchronized with the crankshaft position. The engine firing order could not be established. | 
Dependent:
| No fault in the Combustion Detection Module, P1315. | 
System reaction to a fault:
OK report:
| When ignition and fuel injection are synchronised. | 
Fault handling:
| (See section Fault handling III, "Other emission-related components and functions" for more information.) | 
Diagnostic help
Diagnosis regards:
| Soot deposits on the spark plugs and electrical faults. | 
Functions in the diagnostic tool related to the fault:
| • | Combustion Signal cyl 1+3 | 
| • | Combustion Signal cyl 2+4 | 
| • | Camshaft Position Syncronized | 
| (See also description of readings/activations in diagnostic tool) |