IPA Tools 9005A Super MUTT Head - Manual (Page 28)

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Slow wheel recovery on Red valve channel.
Slow wheel recovery on Blue valve channel.
Slow wheel recovery on Yellow valve channel.
Hold solenoid Open circuit on Red valve
channel.
Hold solenoid Open circuit on Blue valve
channel.
Hold solenoid Open circuit on Yellow valve
channel.
Dump solenoid Open circuit on Red valve
channel.
Dump solenoid Open circuit on Blue valve
channel.
Dump solenoid Open circuit on Yellow valve
channel.
Hold solenoid Short circuit to ground on Red
valve channel.
Hold solenoid Short circuit to ground on Blue
valve channel.
Hold solenoid Short circuit to ground on
Yellow valve channel.
Dump solenoid Short circuit to ground on Red
valve channel.
Dump solenoid Short circuit to ground on Blue
valve channel.
Dump solenoid Short circuit to ground on
Yellow valve channel.
For a 2M System, verify sensor
and valve wiring/plumbing is
correct. (See Side-By-Side and
Axle-By-Axle configurations).
Slow brake release, foundation
brake mechanical faults, dry
bushings, broken ABS valve,
restricted piping. Check for kinks
and blockage etc., incorrect air-
lines, wiring.
Modulator valve solenoid failure,
solenoid connection, or valve
cable damage. The most likely
causes include: a bad solenoid
or a loose solenoid connection.
Disconnect the indicated solenoid
and check the resistance at the
solenoid pins.
Check the female terminals on
the connector for excessive pin
spread or corrosion. Replace
defective hardward as required
and retest.
Modulator valve solenoid failure,
or value cable damage. The most
likely causes include: a damaged
cable or solenoid. An example
of this is a worn or chafed cable
that has exposed wires contact-
ing the trailer.
Disconnect the indicated solenoid
and check the resistance at the
solenoid pins.
Fault
Code
Explanation
Possible Causes
PLC
Select
1M
PLC
Select
2M
41
42
43
61
62
63
67
68
69
71
72
73
77
78
79