WABCO iABS 2S/1M Standard Maintenance Manual page 100

Diagnostics
Suspect
Blink
SPN FMI Component
Code
and Location
18 2192 4 GIO
Component
18 2192 5 GIO
Component
18 2192 6 GIO
Component
100
Fault
ITP
Description
Function
(FMI)
Inte- Speed
grated Switch 2 -
Speed Under-
Switch voltage/
Short Circuit
to Ground
Inte- Speed
grated Switch 2 -
Speed Supply Cable
Switch Interruption
Inte- Speed
grated Switch 2 -
Speed Current
Switch Too High
or Circuit
Grounded
Cause Repair Information
The cable to the - Check the cable between
component on the modulator and the connected
speed switch 2 component.
(ISS 2) has a short - Check for tight seat of the
circuit to ground. 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
component on the modulator and the connected
speed switch 2 component.
(ISS 2) is not - Check for tight seat of the
connected or is connectors.
defective. - Check whether the cable is
frayed.
- If no other fault can be
found, replace the connected
components.
Overload was - Check the cable between
detected at the modulator and the connected
speed switch 2 component.
(ISS 2). - 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.