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DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
FD – Fan Drive
Transmission Rate:
1 sec
Data Length:
8 bytes
Data Page:
0
PDU Format:
254
PDU Speci
fi
c:
189
Default Priority:
6
PGN:
65, 213 (Ox00FEBD)
Byte: 1
Estimated Percent Fan Torque (SPN 975)
Resolution: 0.4%/bit, 0% offset
Byte: 2
Fan Drive State (SPN 977)
0000: Fan Off
0001: Engine System General
0010: Excessive Engine Air Temperature
0011: Excessive Engine Oil Temperature
0100: Excessive Engine Coolant Temperature
0101: Excessive Transmission Oil Temperature
0110: Excessive Hydraulic Oil Temperature
0111: Default Operation
1000: Not De
fi
ned
1001: Manual Control
1010: Transmission Retarder
1011: A/C System
1100: Timer
1101: Engine Brake
1110: Other
1111: Not Available
Bytes: 3–4
Fan Speed (SPN 1639)
Resolution: 0.125 rpm/bit, 0 rpm offset
Bytes: 5–8
Not De
fi
ned
All information subject to change without notice.
(Rev. 01/07)
6-57
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION