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DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
4.1.10
ENGINE BRAKE LOW & MEDIUM
The Engine Brake Low and Engine Brake Medium switches select the level of engine braking as
listed in Table 4-11.
Engine Brake Low Digital Input
Engine Brake Medium
Digital Input
Engine Brake Status
OPEN
OPEN
OFF
GND
OPEN
LOW
OPEN
GND
MEDIUM
GND
GND
HIGH
Table 4-11
Level of Engine Braking
The Engine Brake Low and Engine Brake Medium switches are normally open switches.
Installation
The Engine Brake Low Switch is wired to the CPC on pin 2/14 and Engine Brake Medium
Switch is wired to the CPC on pin 2/15.
Programming Requirements and Flexibility
The options for this digital input are listed in Table 4-12.
Parameter Group
Parameter
Options
Default
Access
13
Engine Brake Switch
Con
fi
g
0 – Hardwired
1 — Info from J1939
255 – Not Available
0 – Hardwired
VEPS or DRS
Table 4-12
Engine Brake Switch Programming Options
4.1.11
FAN OVERRIDE
This digital input is used to activate the fan when the input is switched to battery ground.
The fan override switch is a normally open switch.
Installation
The Fan Override Switch is wired to the CPC on pin 2/13.
All information subject to change without notice.
(Rev. 01/07)
4-13
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION