| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 1 | BATTERY EFFICIENCY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the efficiency of the battery using the appropriate diagnostic equipment | Move on to Step | Battery not working properly | Replace the battery |
| 2 | FASTENINGS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the following, in order:- Correct fastening and earth connection of the negative battery terminal
- Correct fastening of positive battery pole and all leads connected to it
- No oxidation of the lead fastenings
- Correct fastening and connection between positive pole and junction with maxifuse at the battery
| Move on to Step | 1. Lead fastenings at the battery slack | 1. Tighten leads |
| 2. Earth lead frayed | 2. Replace lead See in Op. 5530B22 battery earth lead - r+r |
| 3. Connections with slack fastenings | 3. Restore fastenings |
| 4. Maxifuse burnt out | 4. Check the causes of the blown fuse and replace it (Wiring Diagram ) E1010 POWER SUPPLY |
| 3 | SUPPLY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check switch power supply | Move on to Step | The power supply does not reach the switch | Check the continuity of the wiring between the Maxifuse in the battery junction unit and the switch (Wiring Diagram ) E1010 POWER SUPPLY |
| 4 | SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition of the switch and that it is working properly | Move on to Step | Switch contacts not working properly | Replace the switch See in Op. 5520A12 IGNITION SWITCH ASSEMBLY - R.R. for versions with AIR BAG |
| 5 | CHECK ON CORRECT OPERATION | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the fault is no longer present | | | |