Peterbilt Model 320 Operator's Manual after 8-07 - Peterbilt Motors ...

PART 4: CONTROLS AND DISPLAYS
Warning Alarms
• If the odometer is displayed, continue with the
start-up procedure.
• If a warning message is displayed instead of the
odometer, it is being generated by the multiplex instrumentation
system:
– Look in the alarm summary to identify the gauge.
– Go to the description of that gauge in"PART 4:
CONTROLS AND DISPLAYS" and take the actions
indicated to correct the condition.
2. Continue to check and act on all warning messages
until the odometer is displayed.
Multiplex Instrumentation System Alarm Summary
Display
H2O TMP
Activation
Condition
Coolant
temp. is high
Gauge LED Buzz Deactivation
Display
Engine Water
Temperature
yes
H2OT OK
IM CAL System Fault None no None
IM CFG System Fault None no None
Display
Activation
Condition
Gauge LED Buzz Deactivation
Display
IM DIAG System Fault None no None
IM LIN System Fault None no None
IM SLFT System Fault None no None
LOW
AIR1
LOW
AIR2
LO
WATER
Low air
pressure in
air tank #1
Low air
pressure in
air tank #2
Coolant level
is low
Primary air
pressure
Secondary
air pressure
Engine Water
Level
yes
yes
yes
AIR1 OK
AIR2 OK
WATER OK
NO DATA System Fault None no None
ODO ERR System Fault None no None
OIL TMP
OIL PRES
Engine oil
temperature
is high
Engine oil
pressure is
low
Engine Oil
Temperature
Engine Oil
Pressure
yes
yes
OILT OK
OIL OK
R(08/07) Y53-6015 – 19 –