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Page Title:
Operate the vehicle in Cruise/Idle/PTO mode |
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 375
TM 9-2320-312-24-2
Troubleshooting Section
A Service Brake Pedal Position (Switch 1) is required
Table 185
for all configurations. The Service Brake Pedal
Switch Usage.
Position (Switch 1) connects to the ECM through
Setting For
connector P1 terminal 45. The Service Brake Pedal
Service
Service
Transmission
Brake
Brake
Position (Switch 2) connects to the ECM through
Style
Neutral
Clutch
Switch
Switch
Parameter
Connector P1 terminal 64. The clutch pedal position
1
2
switch connects to the ECM through connector P1
terminal 22. The neutral switch connects to the ECM
"Manual
X
X
through connector P1 terminal 62.
Option 1"
"Manual
Some engines that were built before JULY 1999
X
X
X
Option 2"
may have a Basic ECM. The Basic ECM was used
only on General Motors chassis. Other chassis used
"Automatic
X
engines that were built with a Full Feature ECM.
Option 1"
Basic ECM software does not have the parameter
"Automatic
X
X
for "Transmission Style". For these systems, a
Option 2"
jumper wire must be installed between the clutch
"Automatic
switch input and the sensor common when an
X
X
X
Option 3"
automatic transmission is installed. When the jumper
wire is installed, the "Clutch Switch" status will
"Automatic
X
X
always indicate "OFF". Engines that were built after
Option 4"
JULY 1999 use only one type of ECM that can be
"AT/MT/HT
configured for "Basic" or "Full Feature" operation.
X
Option 1"
A new parameter was added in order to provide
this flexibility. The "Truck Manufacturer" parameter
"AT/MT/HT
X
X
was added in order to allow the configuration of the
Option 2"
"GM Basic" operation or the "Other Full Feature"
"AT/MT/HT
operation. This parameter is programmed at
X
X
X
Option 3"
Caterpillar when the engine is built. The parameter
for "Transmission Style" is not available for engines
"AT/MT/HT
X
X
that have software that is dated prior to SEP00
Option 4"
and the parameter for "Truck Manufacturer" is
"Universal
X
X
X
programmed to "GM". SEP00 and newer engines
Option"
that are programmed to "GM" use the "Transmission
Style" parameter. The factory default for the "GM"
If the "Transmission Style" parameter is programmed
setting is the "Universal" option. The "Universal"
to one of the following options, the input for the
option provides identical features as the "Basic"
Clutch Pedal Position Switch is not used.
system that is described above. If the "Transmission
Style" parameter is programmed to the "Universal"
"Automatic Options 1"
option, a jumper wire must be installed between the
clutch switch input and the sensor common when an
"Automatic Option 2"
automatic transmission is installed. Otherwise, the
"Transmission Style" parameter can be programmed
"Automatic Option 3"
to match the specific arrangement of the vehicle.
"Automatic Option 4"
If the problem is with undetermined
Cruise/Idle/PTO kickouts use the following
"AT/MT/HT Option 1"
procedure:
"AT/MT/HT Option 2"
Operate the vehicle in Cruise/Idle/PTO mode.
"AT/MT/HT Option 3"
After the kickout, review the status parameter on
ET. The status parameter for the kickout indicates
"AT/MT/HT Option 4"
the cause. This must be performed before the
ignition key switch is turned OFF. It is important to
remember that the parameter will only indicate the
last kickout since the ECM has been powered by
the input of the ignition key switch.
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