WABCO iABS 2S/1M Standard Maintenance Manual page 91

Diagnostics
Suspect
Blink
SPN FMI Component
Code
and Location
18 1809 4 Subsystem
Connection
18 1824 3 Subsystem
Connection
18 1824 4 Subsystem
Connection
Fault
ITP
Description
Function
(FMI)
Smart Smartboard -
Board Under-
voltage/
Short Circuit
to Ground
N/A Diagnostic
Supply -
Overvoltage/
Short to
Supply
Voltage
N/A Diagnostic
Supply -
Under-
voltage/
Short Circuit
to Ground
Cause Repair Information
The cable to the - Check the cable between
SmartBoard has modulator and the connected
a short circuit to component.
ground. - Check for tight seat of the
connectors.
- Test the cable for continuity
from end to end.
- Check whether water or
moisture has entered into one
of the connectors and check
the seals for proper fi t.
- Check whether the cable is
frayed.
- If no other fault can be
found, replace the connected
components.
The cable to the - Check the cable between
diagnostic socket modulator and the connected
has a short circuit component.
to supply voltage. - Check for tight seat of the
connectors.
- Test the cable for continuity
from end to end.
- Check whether water or
moisture has entered into one
of the connectors and check
the seals for proper fi t.
- Check whether the cable is
frayed.
- If no other fault can be
found, replace the connected
components.
The cable to the - Check the cable between
diagnostic socket modulator and the connected
has a short circuit component.
to ground. - Check for tight seat of the
connectors.
- Test the cable for continuity
from end to end.
- Check whether water or
moisture has entered into one
of the connectors and check
the seals for proper fi t.
- Check whether the cable is
frayed.
- If no other fault can be
found, replace the connected
components.
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