| | Test results |
| 1 | ELECTRICAL CHECKS | All OK | Problems encountered | Operation |
|---|
| Check:- that the electrical connections and terminals are correctly fitted at the EPS system and Body;- that the battery terminals are correctly tightened;- the continuity of the EPS supply wiring See E7045 ELECTRIC STEERING - check and clean the bodywork earth terminals- whether the battery is run down (not below 10.5 Volt) | Move on to Step 1 | 1. Loose connections and/or breaks in continuity at both ends of the wiring detected2. Battery run down | 1. Intervene at the wiring connections. If the problem persists, move on to step2. Recharge the battery |
| 2 | FAULT DETECTION CONDITIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check when the problem occurs | End of diagnosis | 1. The fault occurs during starting2. The fault occurs with the vehicle moving | 1. Move on to Step 3 (If the fault diagnosis leads to the replacement of components, enclose the print out of the fault diagnosis with the components removed, showing that the fault occured during starting)2. Move on to Step 3 (If the fault diagnosis leads to the replacement of components, enclose the print out of the fault diagnosis with the components removed, showing that the fault occured whilst driving) |
| 3 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Connect the diagnostic equipment (Examiner or other instruments) to the electric steering node diagnostic socket and check that there are no faults | End of diagnosis | Presence of errors | Continue by following the instructions on the diagnostic instrument |
| 4 | ELECTRIC STEERING CONTROL UNIT POWER SUPPLY CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the electric steering control unit is receiving the correct power supply See Test 4110DC ELECTRIC STEERING POWER SUPPLY CHECK See E7045 ELECTRIC STEERING | Move on to Step 5 | 1. 70 A power fuse in the fuse box in the engine compartment interrupted2. + 15 power supply interrupted3. Connection to earth defective | 1. Replace the fuse after having identified what caused it to blow2. Restore power supply3. Restore earth connection |
| 5 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
|---|
| Cancel the errors, disconnect the diagnostic station and place the key in the stop position for about 10 secs.Start up the engine and turn the steering wheel to the end of travel position in both directions.Reconnect the Examiner diagnostic equipment and check that there are no errors at the electric steering control unit | End of diagnosis | The fault persists | Contact Technical Assistance for further information on the problem |
