|  | TEST RESULTS | 
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | 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 2 | 1. 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. | 
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | 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 3 | 1. 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. | 
| 3 | CORRECT OPERATION CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION | 
|---|
|  | Check that the fault is no longer present | End of diagnosis | The fault persists | Replace 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 |