NO SIGNAL
Test results
1
ELECTRICAL CONNECTIONS CHECK
All OK
Problems encountered
Operation
Check for loose electrical connections at the sensor and/or at the engine management control unit.
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
TIMING CHECK
Check that the timing is correct
Go to Step 4
Timing not correct.
Restore the correct timing
4
SENSOR POSITION CHECK
Check that the sensor is correctly positioned
Go to Step 5
Sensor not in the correct position.
Place the sensor in the correct position.
5
CHECK ON OPERATION OF TIMING SENSOR
Check that the timing sensor is working properly.
Go to Step 6
Timing sensor not working.
Replace the timing sensor
Op. 1056B51 CAM ANGLE SENSOR - R.R.
6
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
SIGNAL NOT VALID
ABOVE THRESHOLD
WIRING INSULATION CHECK
Check the condition of the wiring insulation (short circuit to Vbatt).
Wiring insulation faulty.
Restore correct wiring insulation.
BELOW THRESHOLD
Check the condition of the wiring insulation (short circuit to GND).