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HARDWARE AND WIRING
Ambient Air Temperature Sensor Installation
Install the AAT Senaor where ambient air temperature can be read. A protected location on the
frame rails where it will not be splattered with dirt and grime and is removed from any heat source
such as exhaust is preferred. See Figure 3-27 for AAT Sensor installation.
Figure 3-27
Ambient Air Temperature Sensor Installation
The parameter for the AAT Sensor are listed in Table 3-101.
Parameter Group
Parameter
Options
Default
Access
31
Ambient Air Temp
Sensor Enable
0 – Not Available
1 – Hardwired
2 – Reserved for J1939
3 – J1587
4 – ECAN
0 – Not Available
VEPS, DRS
31
MID for Ambient
Air Temp
0 — 255
0
VEPS, DRS
Table 3-101
Ambient Air Temperature Sensor Parameters
3-96
All information subject to change without notice.
(Rev. 01/07)
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION