TM 5-3805-294-23-1
FIELD MAINTENANCE
DTC 647.05 - PROPORTIONAL FAN DRIVE VALVE SOLENOID OPEN
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
Volume 3, WP 0369
(Volume 5, WP 0796, Table 2, Item 119)
Volume 3, WP 0475
Accessory Kit, MSD Electronic Equipment
Volume 4, WP 0508
(Volume 5, WP 0796, Table 2, Item 2)
Volume 4, WP 0509
Multimeter, Digital
Volume 4, WP 0511
(Volume 5, WP 0796, Table 2, Item 77)
Volume 5, WP 0800
Probe Set, Standard
(Volume 5, WP 0796, Table 2, Item 91)
Equipment Condition
Test Set, MSD Electronic Systems
Machine safely parked and shut down
(Volume 5, WP 0796, Table 2, Item 116)
(TM 5-3805-294-10). (Volume 5, WP 0794)
Test Equipment Setup for MSD and Service
Personnel Required
ADVISOR. (Volume 3, WP 0375)
Construction Equipment Repairer 91L (2)
References
Volume 3, WP 0362
TROUBLESHOOTING PROCEDURE
Table 1. DTC 647.05 - Proportional Fan Drive Valve Solenoid Open.
Test or Inspection
Corrective Action
Malfunction
1.
Disconnect engine interface
1.
Engine Interface
wiring harness connector V07
Wiring Harness
from proportional fan drive
Connector V07 is
solenoid. (Volume 5,
Damaged,
Corroded, or Has
WP 0800, Figure 72)
Loose Sockets.
2.
Visually inspect connector V07
1.
If damaged or has loose
for damage and loose sockets.
sockets, repair connector V07
(Volume 4, WP 0511) or
replace engine interface wiring
harness. (Volume 4,
WP 0509) Restore machine to
original condition. Clear and
refresh DTCs. (Volume 3,
WP 0362)
2.
If not damaged and does not
have loose sockets, proceed to
Malfunction 2.
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