312000636 - K051 MIL WARNING LIGHT AND WARNING LIGHT/SYMBOL FOR VEHICLE PROTECTION SYSTEM BOTH ON (ENGINE DOES NOT START)

The engine management control unit warning light and the vehicle protection warning light remain on permanently
Test results
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the Body Computer and check:- that there no errors at the Body Computer- parameter plausibility.Move on to Step 21. Error detected at the Body Computer2. Parameters not plausible.1. Continue following the instructions given by the diagnostic equipment.2. Continue following the instructions given by the diagnostic equipment.
2CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the Examiner diagnostic equipment to the engine management control unit and check:- that there no errors at the Body Computer- parameter plausibility.Move on to Step 31. Error detected at the engine management control unit.2. Parameters not plausible.1. Continue following the instructions given by the diagnostic equipment.2. Continue following the instructions given by the diagnostic equipment.
3CORRECT OPERATION CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosisThe fault persistsReplace the engine management control unit    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R     Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R