| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| First of all, check that the tyres are the correct type, in good condition and correctly inflated | 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 |
|---|
| 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 |
|---|
| Connect the Examiner diagnostic equipment to the diagnostic socket.Check that there are no faults 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 equipment2. 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 |
|---|
| Keeping the Examiner diagnostic equipment connected carry out the active diagnosis of:- Pump motor;
- Solenoid valves.
| Move on to Step 4 for the 1.4 16v engine typeMove on to Step 7 for the 1.2 8v and 1.3 Mjet 16v versions | Fault detected in the pump or in a solenoid valve. | Replace the electrohydraulic unit - 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 |
|---|
| Check:- the condition of the pad braking surfaces;
- type of pads.
| Move on to Step 5 | 1. Brake surfaces vitrified or with traces of grease, oil or water2. Front pads damaged or not the recommended type3. Rear pads damaged or not the recommended type. | 1. Clean again, check and remove the causes of the fault2. Replace the front pads Op. 3310A60 FRONT BRAKE PADS - REPLACE 3. Replace the rear padsOp. 3310B60 REAR BRAKE PADS - REPLACE - INCLUDES HANDBRAKE ADJUSTMENT IF NECESSARY |
| 5 | DISC CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the brake discs. | Move on to Step 6 | 1. Front discs worn or damaged.2. Rear discs worn or damaged. | 1. Replace the front discsOp. 3310A50 FRONT BRAKE DISCS - R.R.2. Replace the rear discsOp. 3310B50 REAR BRAKE DISCS - R.R. |
| 6 | BRAKE CALIPER CHECK | All OK | Problems encountered | Operation |
|---|
| Check the condition of the front and rear brake caliper control pistons. | Move on to Step 9 | 1. Front calliper pistons worn or seized.2. Rear caliper pistons worn or seized. | 1. Replace the front brake callipers Op. 3310A32 FRONT BRAKE CALIPERS - R.R. 2. Replace the rear brake callipersOp. 3310B34 REAR BRAKE CALIPERS - R + R - INCLUDES HANDBRAKE ADJUSTMENT |
| 7 | CHECK THE WEAR OF THE FRICTION SEGMENTS | All OK | Problems encountered | Operation |
|---|
| Check the wear of the friction segments through the openings in the brake back plate or the drum. | Move on to Step 8 | Friction segments worn. | Brake shoe replacement. |
| 8 | CHECKS ON DRUM | All OK | Problems encountered | Operation |
|---|
| 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 |
|---|
| 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 pipeOp. 3330D24 VACUUM PIPE FOR BRAKE SERVO - R+R |
| 10 | BRAKE SERVO SINGLE-ACTING VALVE CHECK | All OK | Problems encountered | Operation |
|---|
| 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 valveOp. 3330D20 SINGLE-ACTING VALVE FOR BRAKE SERVO - R+R |
| 11 | BRAKE SERVO CHECK | All OK | Problems encountered | Operation |
|---|
| Check that the brake servo is working properly by carrying out theSee Test 3330DA CHECK ON OPERATION OF VACUUM PUMP AND VACUUM CIRCUIT FOR BRAKE SERVO | Move on to Step 12 for the 1.3Mjt 16v engine typeMove on to Step 13 for all versions | Brake servo not working properly. | Replace brake servoOp. 3330D02 BRAKE SERVO/BRAKE PUMP ASSEMBLY - R.R. |
| 12 | ENGINE VACUUM CHECK | All OK | Problems encountered | Operation |
|---|
| Check the vacuum circuit reading | Move on to Step 13 | Vacuum figure not correct. | Replace the brake servo vacuum unit Op. 3330D30 VACUUM UNIT - R+R |
| 13 | FLEXIBLE BRAKE PIPES AND BLEEDING CHECK | All OK | Problems encountered | Operation |
|---|
| Visually check for kinks or restrictions in the brake pipes. Bleed the system Op. 0010T65 HYDRAULIC BRAKE SYSTEM - BLEED AIR and check that fluid emerges evenly from the bleed screws. | End of diagnosis | Bends or constrictions present, the fluid does not come out evenly. | Replace the section of pipe affected by the problem. |
