Dual-Speed Axle Switch; Installation; Programming Requirements And Flexibility - Detroit Diesel DDEC VI Application And Installation

4.1.8

DUAL-SPEED AXLE SWITCH

This input indicates that the dual-speed axle ratio has been switched when the input is grounded.
When the switch is open, the dual speed axle ratio is normal.
The Dual-speed Axle Switch is a normally open switch.

Installation

The Dual-speed Axle Switch is wired to the CPC on pin 1/1. Alternatively, it may be multiplexed
on J1939. Refer to section 4.2, "Switch Inputs Received Over J1939 Data Link" for additional
information.

Programming Requirements and Flexibility

The options for this digital input are listed in Table 4-9.
Parameter Group
2nd Axle Speed
13
Switch Config
13 1 01 DI Selection
* Not Supported in NAFTA
Table 4-9 Dual-speed Axle Switch Programming Options
All information subject to change without notice. (Rev. 01/07)
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
Parameter Options
0 – Hardwired
1 – CCVS1
2 – CCVS2
3 – CCVS3
0 – Disable
1 – Enable Dual Speed Axle
2 – Enable Transmission
Retarder Input
3 – FUSO Auxiliary Brake
Cut Switch*
Default Access
0 – Hardwired VEPS or DRS
0 – Disable VEPS or DRS
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