www.haldex.com
L31245 US 8/08 ART ONLY
Haldex Limited
525 Southgate Drive, Unit 1
Guelph, ON
Canada N1G 3W6
Phone: 519-826-7723
Fax: 519-826-9497
Haldex Brake
Products Corporation
10707 NW Airworld Drive
Kansas City, MO 64153-1215
Phone: 816-891-2470
Fax: 816-801-4198
Haldex Commercial Vehicle Systems
TRS Software Setup
The TRS is made aware of the ILAS
®
E through a configuration step with the Diag+ software. Connecting the ILAS
®
E without
configuring the TRS will result in a fault light and an auxiliary configuration error DTC.
To configure the TRS for the ILAS
®
E, connect the TRS to a PC via the diagnostic cabling. Start the Diag+ software and download
the configuration from the TRS. Edit the Auxiliary devices, Aux channel #1.
Upon power-up the TRS will by default drop the lift axle if it is raised prior to the power-up. After approximately 30 to 60
seconds, if the airbag pressure is above the drop threshold, the axle will remain down until either the power recycles or the airbag
pressure decrease below the lift threshold pressure. This pressure must be maintained for at least 30 to 60 seconds for the lift
threshold to trigger. Likewise if the initial airbag pressure is below the drop threshold then the axle will lift after 30 to 60 seconds.
The default drop and lift suspension pressures are 90% and 50% load, respectively. The percentage load is determined by the
load plate settings for laden and unladen air bag pressures. These parameters are preset by Haldex to be 80 psi and 14.5 psi,
respectively. These values are estimates and will be dependent upon the material the trailer is made of, the nature of the cargo,
the distribution of the cargo, etc. Assuming the air bag pressure is linear and reproducible, 90% & 50% load corresponds to air
bag pressures of 67 psi and 47 psi, respectively.
Figure 1
Warning:
the products described within this literature, including without limitation, product features, specifications, designs, availability and pricing are subject to change by
Haldex and its subsidiaries at any time with out notice.
This document and other information from Haldex, its subsidiaries and authorized distributors provide product and/or system options for further investigation by users
having technical expertise. It is important that you analyze all aspects of your application and review the information concerning the product or system, in the current
literature or catalog. Due to the variety of operating conditions and applications for these products or systems, the user, through their own analysis and testing, is solely
responsible for making the final selection of the products and systems and assuring that all performance, safety and warning requirements are met.
