TROUBLESHOOTING
Troubleshooting - 76
Power (J)
This light is located at the bottom right corner of the
TCM. This light indicates that there is full time power
to the TCM and is only shut o by the battery dis-
connect switch or if the TCM enters the Sleep mode.
It keeps the TCM computer energized to eliminate
the delay that would otherwise be present when the
key is rst turned to the run position.
Output Circuits
Specic input conditions must be satised before
each output circuit can function.
Starter (K)
The light indicates that power is being sent to the
starter solenoid. For the starter output to function,
the parking brake must be engaged and the SDLA
control lever must be in neutral.
PTO (L)
The light indicates that power is being sent to the
PTO clutch relay. For the PTO output to function, the
operator must be on the seat.
If the PTO remote kit is installed and an attachment
such as the generator is connected, the TCM will au-
tomatically enable the Remote PTO function. In this
mode, the PTO switch on the attachment replaces
the seat switch criteria for the PTO to function. The
parking brake must be engaged for the Remote PTO
to function.
The following engine commands are engine specic.
Engine + 12V Run (M)
This light indicates that power is being sent to the
engine control module in order for the engine to
run. For this light to operate, either the operator
must be on the seat or the parking brake must be
engaged and the SDLA lever must be in the neutral
position.
Engine Stop Ground (N)
Not applicable for this engine/model.
Diesel Pre-Heat (O)
Not applicable for this engine/model.
https://www.tractormanualpdf.info/
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