NO SIGNAL
Test results
1
ELECTRICAL CONNECTIONS CHECK
All OK
Problems encountered
Operation
Check for loose electrical connections at the clutch switch, engine management control unit, isolating connector.
Go to Step 2
Presence of loose electrical connections.
Restore the correct connections.
2
WIRING CONTINUITY CHECK
Check for breaks in the wiring continuity
See E5030 PETROL ENGINES ELECTRONIC MANAGEMENT
Go to Step 3
Breaks in the wiring continuity.
Restore the correct continuity for the wiring.
3
WIRING INSULATION CHECK
Check the condition of the wiring insulation (short circuit between conductors).
Go to Step 4
Wiring insulation faulty.
Restore correct wiring insulation.
4
SWITCH OPERATION CHECK
Check that the clutch switch is working properly.
Go to Step 5
The clutch switch is not working properly.
Replace the clutch switch
Op. 1056B78 SWITCH ON CLUTCH PEDAL - R.R (PETROL ENGINES)
5
ENGINE MANAGEMENT CONTROL UNIT OPERATION CHECK
Check that the engine management control unit is working properly.
End of diagnosis
Engine management control unit faulty.
Replace the engine management control unit
Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R