| 0 | PRELIMINARY CHECKS | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| First of all check whether the ABS warning light and the handbrake warning light come on simultaneously during starting and then go out | Move on to Step 1 | The two warning lights remain on after starting | Proceed as instructed in the See table K062 ABS AND HANDBRAKE WARNING LIGHTS BOTH ON |
| 1 | CHECK USING DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| 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 2 | 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;
- ABS control unit supply
See E7020 ABS |
| 2 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Connect the diagnostic equipment (Examiner or other instruments) and carry out the active diagnosis for:- Pump motor;
- Solenoid valves.
| Move on to Step 3 | Fault detected in one of the solenoid valves. | Replace the ABS electronic control unit electrohydraulic unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. |
| 3 | REAR BRAKE CALIPER CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Check the condition of the rear brake caliper pistons. | Move on to Step 4 | Pistons worn or seized. | Replace the rear brake calipers Op. 3310B36 REAR BRAKE CALIPER (ONE), LEFT OR RIGHT - R.R |
| 4 | CHECK ON FLEXIBLE BRAKE PIPES AND BLEEDING | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Visually inspect that there are no bends or constrictions in the brake pipes, bleed the system and check that the fluid comes out evenly from the bleed screws. Op. 0010T65 HYDRAULIC BRAKE SYSTEM - BLEED AIR | Move on to Step 5 | Bends or constrictions present, the fluid does not come out evenly. | Replace the section of pipe affected by the problem Op. 3340B ABS SYSTEM PIPES |
| 5 | FRONT BRAKE STATE CHECK | ALL OK | PROBLEMS ENCOUNTERED | ACTION |
|---|
| Visually inspect that there is no grease, oil or dirt on the braking surfaces of the front pads. | End of diagnosis | Braking surfaces dirty. | Clean, check and eliminate the causes of the problem: if necessary, replace the front pads Op. 3310A60 FRONT BRAKE PADS - REPLACE |
