| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| First of all, check that the tyres are the correct type, in good condition and correctly inflated.Check that the wheel bolts are correctly fastened. | Move on to Step 1 | 1. Tyre inflation pressure not correct | 1. Make sure tyres are inflated to the correct pressure. |
| 2. Tyres unsuitable or worn | 2. Replace the tyres |
| 3. Wheel bolts not correctly fastened. | 3. Tighten the wheel studs correctly. |
| 1 | BRAKING SURFACES CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check:- the condition of the front pads braking surfaces;
- the condition of the rear pads braking surfaces;
| Move on to Step 2 | 1. Brake surfaces vitrified or with traces of grease, oil or water | 1. Clean again, check and remove the causes of the fault |
| 2. Front pads damaged or not the recommended type. | 2. Replace the front pads Op. 3310A60 FRONT BRAKE PADS - REPLACE |
| 3. Rear pads damaged or not the recommended type. | 3. Replace the rear pads Op. 3310B62 REAR BRAKE PADS - REPLACE |
| 2 | FRONT DISCS AND CALIPERS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check the condition of the front brake discsCheck the condition of the front brake caliper pistons. | Move on to Step 3 | 1. Front discs worn or damaged | 1. Regrind the discs or, if necessary, replace themOp. 3310A54 Op. 3310A52 |
| 2. Front caliper pistons worn or seized. | 2. Replace the front brake calipersOp. 3310A32 |
| 3 | REAR DISCS AND CALIPERS CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check the condition of the rear brake discs.Check the condition of the rear brake caliper pistons. | Move on to Step 4 | 1. Rear discs worn or damaged. | 1. Regrind the discs or, if necessary, replace themOp. 3310B54 Op. 3310B52 |
| 2. Rear caliper pistons worn or seized. | 2. Replace the rear brake calipers.Op. 3310B34 |
| 4 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Connect the diagnostic test equipment (Examiner or other instruments) to the tester input.Check that there are no faults in the ABS control unit. | Move on to Step 5 | 1. Error detected in the control unit. | 1. Continue following the instructions for the diagnostic equipment |
| 2. No communication with the control unit. | 2. Restore connection between the ABS control unit and the diagnostic connector See E7020 ABS |
| 5 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Connect the diagnostic equipment (Examiner or other instruments) and carry out the active diagnosis for:- Pump motor;
- Solenoid valves.
| Move on to Step 6 | Pump and/or solenoid valves faulty. | Replace the electronic control unit electrohydraulic unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. |
| 6 | FRONT GEOMETRY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| 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 7 | 1. Geometry not correct. | 1. Check and, if necessary, replace the shock absorber Op. 4410A12 FRONT SUSPENSION DAMPER (ONE), LH OR RH - FOR MCPHERSON STRUT SYSTEM - INCLUDES DISMANTLING/REASSEMBLY OF ASSEMBLY AT BENCH - R.R |
| 2. Geometry not correct | Check and, if necessary, replace the springOp. 4410A14 FRONT SUSPENSION SPRING/DAMPER UNIT (ONE- REMAINING) - R+R FOLLOWING OPERATION 4410A10 |
| 3. Angles not correct. | 3. Restore correct anglesOp. 4450A20 FRONT WHEEL CASTER |
| 7 | REAR GEOMETRY CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
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| Check the vehicle geometry and rear wheel angles Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY | End of diagnosis | 1. Geometry not correct. | 1. Check and, if necessary, replace the shock absorberOp. 4420A30 REAR SUSPENSION SHOCK ABSORBER (ONE), LEFT OR RIGHT - R.R. - CHECK WHEEL GEOMETRY SEPARATELY |
| 2. Geometry not correct | Check and, if necessary, replace the springOp. 4420A40 L/H OR R/H REAR SUSPENSION COIL SPRING (ONE) - R+R |
| 3. Angles not correct. | 3. Restore correct angles Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY |
