WABCO iABS 2S/1M Standard, Maintenance Manual

Page: 75 / 188

75
Diagnostics
Blink
Code
SPN FMI
Suspect
Component
and Location
ITP
Function
Fault
Description
(FMI)
Cause Repair Information
15 254 14 Internal ECU
Error
N/A Trap
Handler -
Trap Set
Internal checksum
error.
- Switch ignition off for at least
5s. If the fault exists then,
contact WABCO Customer
Care Center at 855-228-3203
for assistance.
18 1264 5 Tire Inflation
system
Tire
Inflation
Tire Inflation
System -
Supply Cable
Interruption
Possible break
in cable to Tire
Inflation System
- Check whether load is
connected to the output of the
Tire In ation System.
- Also check whether the cable
is damage and has good
continuity end to end.
- If any damage or issue is
found with the cable, replace it.
18 1440 3 GIO
Component
Multiple
ITP
Func-
tions
Free
Configurable
Function -
(AIn1)
Voltage
Above
Normal or
Shorted High
A short circuit to
supply voltage was
detected at the
freely configurable
function analoge
input 1.
- Verify connectors are
properly seated and have no
signs of moisture or corrosion.
- Check for signs of damage to
the cable or connectors.
- Verify good continuity for the
GIO circuit.
- Verify no voltage to ground is
present on the GIO Circuit.
18 1440 4 GIO
Component
Multiple
ITP
Func-
tions
Free
Configurable
Function -
(AIn1)
Under-
voltage/
Short Circuit
to Ground
A short circuit
to ground was
detected at the
freely configurable
function analoge
input 1.
- Verify connectors are
properly seated and have no
signs of moisture or corrosion.
- Check for signs of damage to
the cable or connectors.
- Verify good continuity for the
GIO circuit.
- Verify no continuity to ground
is present on the GIO circuit.
18 1441 3 GIO
Component
Multiple
ITP
Func-
tions
Free
Configurable
Function -
(AIn2)
Voltage
Above
Normal or
Shorted High
A short circuit to
supply voltage was
detected at the
freely configurable
function analoge
input 2.
- Verify connectors are
properly seated and have no
signs of moisture or corrosion.
- Check for signs of damage to
the cable or connectors.
- Verify good continuity for the
GIO circuit.
- Verify no short to voltage is
present on the GIO circuit.
18 1441 4 GIO
Component
Multiple
ITP
Func-
tions
Free
Configurable
Function -
(AIn2 )
Under-
voltage/
Short Circuit
to Ground
A short circuit
to ground was
detected at the
freely configurable
function analoge
input 2.
- Verify connectors are
properly seated and have no
signs of moisture or corrosion.
- Check for signs of damage to
the cable or connectors.
- Verify good continuity for the
GIO circuit.
- Verify no continuity to ground
is present on the GIO circuit.