
Page 111
Timer Parameters
Allow Idle Shutdown Override
Description:
The Allow Idle Shutdown Override parameter
determines whether the clutch or service brake can
be used to override the Idle Shutdown Timer during
the last 90 seconds of timing. The Idle Shutdown Timer
parameter must be programmed to a value other than 0
(zero). The Allow Idle Shutdown Override parameter has
three different settings.
Yes - Allows the driver to override the Idle Shutdown
Timer during the last 90 seconds* of timing.
(If the driver does override the timer an Idle
Shutdown Override Event will be logged in the
ECM memory)
No - The driver can not override the Idle Shutdown
Timer during the last 90 seconds* of timing. In
other words, the truck will always shutdown.
(When the engine does shutdown at the end of
the Idle Shutdown Time period an Idle Shut-
down Occurrence event will be logged in the
ECM memory).
Outside Temperature Based - If the truck has the op-
tional Outside Air Temperature Sensor installed
(see authorized Cat
Dealer or truck OEM for
part number) and the Minimum and Maximum
Idle Shutdown Outside Temperature param-
eters are properly programmed (see page
114), then Idle Shutdown will be based on the
Outside Air Temperature.
* If the Idle Shutdown Timer parameter is programmed to 1 minute the
driver notifi cation period is 30 seconds. For all other times the driver
notifi cation period is 90 seconds.
Available:
All electronically controlled on-highway engines
covered in this handbook