| STEP | OPERATIONS TO BE CARRIED OUT | TEST RESULTS |
|---|
| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| First of all, check the efficiency of the battery | Move on to Step 1 | Battery run down | Recharge the battery |
| Battery run down and cannot be recharged | Replace the battery |
| 1 | BATTERY CONNECTIONS 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 at the earth point for the negative battery lead.
See E1010 SUPPLY | Move on to Step 2 | Connections not correct | Restore the battery connections See E1010 SUPPLY |
| Earth lead damaged | Replace the lead |
| Lead between battery and starter motor damaged | Replace the lead Op. 5530B26 LEAD BETWEEN BATTERY AND STARTER MOTOR - R+R |
| 2 | IGNITION SWITCH CIRCUIT CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check that the power supply is reaching the ignition switch correctly | Move on to Step 3 | Connections not correct | Restore the connections between the battery and the ignition switch See E1010 SUPPLY |
| 3 | KEY LOCK BARREL CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition of the key lock barrel and that it is working properly | Move on to Step 4 | Lock barrel faulty | Repair or replace the lock barrel |
| 4 | IGNITION SWITCH CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition of the ignition switch and that it is working properly | End of diagnosis | Ignition switch faulty | Repair or replace the ignition switch Op. 5520A12 IGNITION SWITCH ASSEMBLY - R R FOR VERSIONS WITH AIR BAG |