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Thirty seconds before engine shutdown, the IDLE SHUTDOWN
indicator illuminates. This continues until the engine shuts down
or the low idle shutdown timer is reset. The engine must be out of
gear for the IST to work. Engine shutdown timer will deactivate
for one or more of the following conditions:
•
Engine speed is not at idle speed (700 rpm).
•
Vehicle movement or a Vehicle Speed Sensor (VSS) fault
is detected.
•
Manual DPF Regeneration is enabled (Parked Regen).
•
Accelerator pedal movement or an Accelerator Pedal
Sensor (APS) fault is detected.
•
Engine coolant operating temperature is below 16 °C (60
°F).
•
Brake pedal movement or a brake switch fault is detected.
•
Parking brake transition is detected.
•
Clutch pedal is pressed or clutch pedal switch fault is
detected (manual transmissions, if equipped with a clutch
switch).
•
Shift selector is moved from neutral (automatic
transmissions).
•
If the IST is enabled, the Cold Ambient Protection (CAP)
will not function.
SECTION 4 – ENGINE OPERATION
COLD WEATHER OPERATION
NOTE: If operating in temperatures below -12 °C (10 °F),
contact an authorized service provider for information
about special cold weather equipment and precautions.
At temperatures below -12 °C (10 °F) a block coolant heater and
oil pan heater is required for cold starting.
1. Before operating the engine at 0 °C (32 °F) or lower, check
WARNING
To prevent personal injury or death, do not use
ether, propane, gasoline or gasohol as starting
aids.
or service the following:
•
Correct battery size
•
Correct amount of electrolyte, if not a maintenance
free battery.
•
Full battery charge
•
Condition of other electrical equipment
•
Cooling system leaks
•
Correct coolant and cooling system level
•
Recommended oil grade
Page 53
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