Optimized Idle - Detroit Diesel DDEC VI Application And Installation

5.18

OPTIMIZED IDLE

Optimized Idle® with DDEC VI reduces engine idle time by running the engine only when
required. Optimized Idle automatically stops and restarts the engine to accomplish the following:
□ Keep the engine oil temperature between factory set limits 60°F (16°C) - 104°F (40°C)
□ Keep the battery charged>12.2 V (12 V system)
□ Keep the cab/sleeper or passenger area at the desired temperature (using the optional
thermostat) - On-highway truck and coach applications
Other benefits include overall reduction in exhaust emissions and noise, and improved starter and
engine life (by starting a warm engine and eliminating starting aids). Idle time and fuel savings
information stored in the ECU memory can be read with DDDL, ProDriver Reports or DRS.
Optimized Idle run times can be accessed through DDEC Reports. The Optimized Idle Active
Lamp is steadily illuminated when Optimized Idle run times are logged.
5.18.1 OPERATION
To activate Optimized Idle, the following conditions must be met:
□ Ignition ON with the vehicle idling
□ Hood and cab closed
□ Transmission in neutral
□ Park brake set
□ Idle shutdown timer must be enabled
Once the above conditions are met:
□ Turn the Cruise Master Switch to the ON position (if in the ON position, turn to OFF then
to ON), the Optimized Idle Active Lamp will flash.
□ Turn on Thermostat Mode (if equipped and the mode is desired) by turning ON the
thermostat, setting the fan controls in the bunk and cab to HIGH and enabling the vehicle
heating and cooling system.
Once these conditions are met, the Optimized Idle Active Lamp will flash until the Idle Shutdown
timer expires. Optimized Idle allows the operation of all DDEC features such as VSG, throttle
control, and Cruise Switch VSG, while the active light is flashing.
Once Optimized Idle becomes active, the engine will either shutdown if Optimized Idle
parameters are satisfied or ramp to 1100 RPM. While the system is active (OI Active Lamp is
steadily illuminated), the throttle, PTO, Cruise Switch PTO functions are disabled and the engine
speed is controlled by DDEC VI.
All information subject to change without notice. (Rev. 01/07)
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
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