NO SIGNAL
Test results
1
CHECK FOR PRESENCE OF ERRORS
All OK
Problems encountered
Operation
Check for the presence of errors at the other nodes using the diagnostic equipment.
Go to Step 2
Fault caused by another connected node.
Proceed as instructed by the diagnostic equipment.
2
ELECTRICAL CONNECTIONS CHECK
Check for the presence of loose electrical connections at the engine management control unit and/or other nodes.
Go to Step 3
Presence of loose electrical connections.
Restore the correct connections.
3
WIRING CONTINUITY CHECK
Check for breaks in the wiring continuity
Go to Step 4
Breaks in the wiring continuity.
Restore the correct continuity for the wiring.
4
WIRING INSULATION CHECK
Check the condition of the wiring insulation (short circuit between conductors).
Go to Step 5
Wiring insulation faulty.
Restore correct wiring insulation.
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
SIGNAL NOT VALID