| | Test results |
| 1 | BATTERY EFFICIENCY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the efficiency of the battery using the appropriate diagnostic equipment | Move on to Step 2 | Battery not working properly | Replace the battery |
| 2 | BATTERY CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the following, in order:- correct fastening and earth connection of the negative battery terminal;- correct fastening of positive battery terminal and all leads connected to it;- no oxidation at the earth point for the negative battery lead. | Move on to Step 3 | 1. Lead fastenings at the battery slack.2. Earth lead frayed.3. Connections with slack fastenings. | 1. Tighten the leads correctly.2. Replace the lead Op. 5530B22 BATTERY EARTH LEAD - R+R 3. Restore the fastenings correctly. |
| 3 | IGNITION SWITCH CIRCUIT CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the correct power supply reaches the ignition switch, in particular check the condition of the maxifuse. | Move on to Step 4 | 1. Connections not correct.2. Fuse damaged. | 1. Restore the correct connections between the battery and the ignition switch, see wiring diagram See E5010 STARTING AND RECHARING 2. Replace the fuse involved (and find out what could have caused it to blow). |
| 4 | MAXIFUSE BOX CONNECTIONS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the following, in order:- condition of the maxifuse box;- correct fastening and connection to the battery of the maxifuse box. | Move on to Step 5 | 1. Connections not correct.2. Maxifuse box damaged. | 1. Restore the correct connections for the maxifuse box to the battery, see wiring diagram See E1010 POWER SUPPLY 2. Replace the maxifuse box. |
| 5 | IGNITION SWITCH CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the ignition switch and make sure that it is working properly. | End of diagnosis | Ignition switch faulty. | Repair or replace the ignition switch. |
