WABCO 400 500 320 0, Руководство по обслуживанию

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69
Diagnostics
Blink
Code
SPN FMI
Suspect
Component
and Location
ITP
Function
Fault
Description
(FMI)
Cause Repair Information
9 9 14 Internal
Modulator
Valve
N/A Special
Instructions
An error has
occurred on the
internal modulator
or on the ECU.
- Switch off ignition for at
least 5s. If the error persists,
check the cable connection to
the ABS relay valve and the
ABS relay valve itself. If there
are no abnormalities, contact
WABCO Support.
21 75 3 Brake Pad
Wear Sensor
Brake
Pad
Wear
Brake Pad
Wear
Sensor -
Voltage
Above
Normal or
Shorted High
The wear sensor
or the cable
between the trailer
modulator and the
wear sensor is
faulty.
- The measured values from
the wear sensor are above the
valid operating range. There
is a possible short circuit to
supply voltage on the signal
line.
- Check the cable between
modulator and the connected
component
- Check for tight seat of the
connectors
- Test the cable.
- Check whether moisture
has entered into one of the
connectors and check the
seals for proper
fi t
- If no other fault can be
found, replace the connected
components.
21 75 12 Brake Pad
Wear Sensor
Brake
Pad
Wear
Brake Pad
Wear
Sensor -
Signal Open/
Line
Interrupted
At least one brake
lining is worn.
Check linings
and wear sensors
and replace if
necessary. It is
also possible
that the cable is
not connected or
defective.
- At least one brake lining
is worn. Check linings and
wear sensors, and replace if
necessary.
- The cable to the wear
sensors may also be
interrupted or a connector has
become loose.
11 109 14 Internal ECU
Error
N/A Memory
Bit - Limit
of Power
on Cycles
Expired
Memory bit set.
The vehicle has
been standing
with the ignition
on for a long time,
or the ignition was
frequently turned
on and off.
- Spin the tires or drive vehicle
over 4 mph.