| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
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| First of all, check the type, condition and pressure of the tyres. | Move on to Step 1 | 1. Pressure not correct.2. Tyres unsuitable or worn. | 1. Make sure tyres are inflated to the correct pressure.2. Replace the tyres. |
| 1 | BRAKE FLUID LEAK CHECK | All OK | Problems encountered | Operation |
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| Visually check:- The level of the brake fluid in the reservoir;- No fluid leaks from the brake pump, the pipes or the system connectors. | Move on to Step 2 | Leaks in the system. | Tighten the connectors or replace the damaged parts. |
| 2 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
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| Connect the Examiner diagnostic equipment to the diagnostic socket.Check that there are no errors in the ABS control unit. | Move on to Step 3 | 1. Error detected in the control unit.2. No communication with the control unit. | 1. Continue following the instructions on the diagnostic equipment.2. Restore:- Connection between the ABS control unit and the diagnostic connector;- ABS control unit supply See E7020 ABS |
| 3 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
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| Keeping the Examiner diagnostic equipment connected, carry out the active diagnosis of:- Pump motor;- Solenoid valves. | Move on to Step 4 | Fault detected in the pump or in a solenoid. | Replace the electrohydraulic assembly- ABS electronic control unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. |
| 4 | PAD TYPE AND SURFACE CHECK | All OK | Problems encountered | Operation |
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| Check:- the condition of the pad and braking surfaces;- type of pads. | Move on to Step 5 | 1. Brake surfaces vitrified or with traces of grease, oil or water.2. Front pads damaged or not the recommended type. | 1. Clean again, check and remove the causes of the fault.2. Replace the front pads Op. 3310A60 FRONT BRAKE PADS - REPLACE |
| 5 | DISC CHECK | All OK | Problems encountered | Operation |
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| Check the condition of the brake discs. | Move on to Step 6 | Front discs worn or damaged. | Replace the front discs |
| 6 | BRAKE CALLIPER CHECK | All OK | Problems encountered | Operation |
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| Check the condition of the front brake calliper control pistons. | Move on to Step 7 | Front calliper pistons worn or seized. | Replace the front brake callipers |
| 7 | FRICTION SEGMENTS WEAR CHECK | All OK | Problems encountered | Operation |
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| Check the wear of the friction segments through the openings in the brake holder plate or the drum. | Move on to Step 8 | Friction segments worn. | Brake shoe replacement. |
| 8 | DRUM CHECK | All OK | Problems encountered | Operation |
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| Proceed with dismantling the drum to check the operation of the cylinder(s), checking the operation of the pistons. | Move on to Step 9 | Incorrect operation of cylinder. | Replace the cylinder Op. 3320B20 REAR BRAKE SHOE CYLINDER (ONE) LEFT OR RIGHT - REPLACE. |
| 9 | VACUUM PIPE CHECK | All OK | Problems encountered | Operation |
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| Check that the vacuum pipe is correctly fitted/in good condition. | Move on to Step 10 | 1. Pipe not fitted correctly or bent.2. Pipe damaged. | 1. Refit correctly.2. Replace vacuum pipe Op. 3330D26 VACUUM PIPE FOR BRAKE SERVO ASSEMBLY - R.R |
| 10 | BRAKE SERVO SINGLE-ACTING VALVE CHECK | All OK | Problems encountered | Operation |
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| Check that the brake servo single-acting valve is working properly. | Move on to Step 11 | Single-acting valve not working properly. | Replace the single-acting valve. |
| 11 | BRAKE SERVO CHECK | All OK | Problems encountered | Operation |
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| Check that the brake servo is working properly by carrying out the See Test 3330DA CHECK VACUUM PUMP OPERATION AND BRAKE SERVO VACUUM CIRCUIT | Move on to Step 12 for the 1.3 JTDMove on to Step 13 for all versions | Brake servo not working properly. | Replace brake servo. |
| 12 | ENGINE VACUUM CHECK | All OK | Problems encountered | Operation |
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| Check the vacuum circuit reading | Move on to Step 13 | Vacuum figure not correct. | Replace the brake servo vacuum pump Op. 3330D30 VACUUM UNIT - R+R |
| 13 | BRAKE HOSES AND BLEEDING CHECK | All OK | Problems encountered | Operation |
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| Visually check for kinks or restrictions in the brake pipes and bleed the system Op. 0010T65 HYDRAULIC BRAKE SYSTEM - BLEED AIR checking that fluid emerges regularly from the bleed screws. | End of diagnosis. | Kinks or constrictions present, the fluid does not come out evenly. | Replace the section of pipe affected by the problem. |