User Manual

Controls - 54 JT20 Operator’s Manual
Engine Compartment Controls
CMW
®
2. Throttle switch To increase engine speed,
press top.
To decrease engine speed,
press bottom.
To further increase or
decrease speed, press
additional times (or hold until
desired speed is reached).
Use this switch only if throttle switch
on console does not work.
3. Air intake restriction
indicator
Shows air intake restriction. Replace the air filter elements when
the indicator reaches the red zone.
See “Change Air Filter” on page 232.
4. Diagnostic port,
controller
For use only by qualified technicians.
5. J1939 CAN diagnostic
port, engine
For use only by qualified technicians.
Item Description Notes
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