WABCO ABS - Page 24

3 Diagnostics, Troubleshooting and Testing
20
WABCO Maintenance Manual MM-0112 (Revised 07-18)
Blink Code Illustrations
Figure 3.12
Figure 3.12
Pause
1.5 s
Pause
1.5 s
1-8 Flashes
Pause
1.5 s
Pause
4 s
1-6 Flashes
Light ON
Active Fault
Pause
1.5 s
Pause
1.5 s
Light ON
1 Second
Hold
1 Second
Hold
System OK
Continues until
ignition is turned off
1st Digit
(2) (3) (2) (
3)
(5)
(1) (1)
(2) (3) (4)
2nd Digit
Pause
1.5 s
Pause
1.5 s
Pause
1.5 s
Pause
4 s
Light ON
Off
Stored Faults
Displays all stored
faults once—last fault
stored is displayed first
Blink Code 1-1: System OK
1st Digit 2nd Digit 1st Digit 2nd Digit
1st Stored Fault 2nd Stored Fault
Repeat of Blink Code
1 Second
Hold
1002021b
Example:
Blink Code 2-3: Fault in ABS modulator
valve, right rear drive axle.
S = Seconds
Example:
Blink Code 5-2: Sensor signal erratic,
left front steer axle.
3-4: Too much sensor gap,
left rear drive axle.