
Page 108
Idle Shutdown Timer (0 = off)
Description:
The Idle Shutdown Timer is designed to shut down the
engine after a specifi ed idle period. For the shutdown to
occur, certain conditions must be met for the entire time-
out period. These conditions include: cold mode inactive
and vehicle speed must be 0 (zero) mph.
If these conditions are met, then 90 seconds* before
the customer specifi ed idle time is reached, the check
engine light will start fl ashing at a rapid rate. If either the
brake or clutch pedals are depressed during this fi nal 90
seconds when the lamp is fl ashing, the idle shutdown
timer will be disabled, if the Allow Idle Shutdown
Override parameter is programmed to Yes (see page
111). This allows the driver to override the idle shutdown
timer if necessary to keep the truck idling.
If the Engine Emissions Certifi cation Confi guration
parameter is programmed to CARB(ESS) the Idle
Shutdown Timer may only be reset, not disabled.
If the idle shutdown timer is overridden, the ECM will log
the override as a Logged Event. These Logged Events
can be viewed with a service tool.
If the timer is set to 0 (zero), the Idle Shutdown feature is
turned off.
If the truck/engine is wired for PTO use, the Idle
Shutdown Timer will not be active when PTO mode is
active. In this case PTO shutdown time would be used
for the shutdown time. It is important that the engine/
truck be wired for PTO, since if it is not, the engine could
shutdown after the idle shutdown time while in PTO
mode
Available:
All electronically controlled on-highway engines
covered in this handbook.
Range:
Engine
Range
Cat
Default
Minimum Maximum
EPA’04 3 Minutes
1440
Minutes
0 Minutes
EPA’07 and
newer
1 Minute*
1440
Minutes
0 Minutes
CARB 2008
and newer
1 Minute* 5 Minutes 5 Minutes
* If programmed to 1 minute the driver notifi cation period is 30 sec-
onds. For all other times the driver notifi cation period is 90 seconds.
Timer Parameters