EBC 340/445ESP AWAL

C1086-ABS SYSTEM CONTROL TOO LONG (EBC125)

For a complete wiring diagram Refer to Diagram/Electrical. Electrical Diagrams

- When Monitored:

With the ignition on.

- Set Condition:

When the Anti-Lock Brake Module receives 5 seconds of dump activation without wheel speed recovery.





Diagnostic Test

1. CHECK FOR ACTIVE DTC

NOTE: Repair all other DTC's first.

NOTE: This DTC must be active for the results of this test to be valid.

Turn the ignition on.

With the scan tool, read and record DTCs.

With the scan tool, erase DTCs.

Depress and release the brake pedal.

With the scan tool, read and record DTCs.

Does the scan tool display: C1086-ABS SYSTEM CONTROL TOO LONG?

Yes

- Go To 2

No

- Refer to the INTERMITTENT CONDITION diagnostic procedure. Intermittent Condition
- Perform ABS Verification ABS Verification Test

2. CHECK FOR AIR IN BRAKE SYSTEM AND WORN MECHANICAL COMPONENTS

NOTE: Visually inspect for worn brake linings, undersized rotors, binding or frozen calipers. Repair as necessary.

NOTE: Before continuing the brake system must be bled to verify there is no air in the brake system.

Were any problems found?

Yes

- Repair as necessary.
- Perform ABS Verification ABS Verification Test

No

- Replace the Hydraulic Control Unit.
- Perform ABS Verification ABS Verification Test