SIGNAL NOT VALID
Test results
1
CHECK USING DIAGNOSTIC EQUIPMENT
All OK
Problems encountered
Operation
Connect the Examiner diagnostic equipment, go to control unit programming and reprogramme the engine management control unit.
Go to Step 2
2
ENGINE MANAGEMENT CONTROL UNIT OPERATION CHECK
Check that the engine management control unit is working properly.
End of diagnosis
Incorrect operation of engine management control unit
Replace the engine management control unit
Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R