| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| First of all check the tyre pressure | Move on to Step 1 | Tyre inflation pressure not correct | Make sure tyres are inflated to the correct pressure |
| 1 | FRONT GEOMETRY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the vehicle geometry and front wheel angles Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES ADJUSTMENT IF NECESSARY | Move on to Step 2 | 1. Geometry not correct2. Angles not correct | 1. Replace the suspension springs2. Restore the correct angles where possible |
| 2 | REAR GEOMETRY CHECK | All OK | Problems encountered | Operation |
|---|
| Check the vehicle geometry and rear wheel angles Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY | Move on to Step 3 | Geometry not correct | Replace the suspension springs Op. 4420A40 L/H OR R/H REAR SUSPENSION COIL SPRING (ONE) - R+R |
| 3 | STEERING COLUMN BEARINGS CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the steering column support bearings and that they are working properly | Move on to Step 4 | Bearings worn or damaged | Replace the bearings involved |
| 4 | STEERING BOX CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the steering box is working properly: there should not be excessive power assistance | End of diagnosis | Steering box not correctly calibrated | Replace the steering box |
