TM 5-3805-294-23-1
0063
Table 1. DTC 647.05 - Proportional Fan Drive Valve Solenoid Open - Continued.
Test or Inspection
Corrective Action
Malfunction
Measure resistance (Volume
1.
If between 18 - 32 ohms,
2.
Proportional Fan
proceed to Malfunction 3.
Drive Valve
3, WP 0369) between pin 1
Solenoid Faulty.
and pin 2 on proportional fan
2.
If not between 18 - 32 ohms,
drive valve solenoid. (Volume
replace proportional fan drive
5, WP 0800, Figure 72)
valve solenoid. (Volume 3,
WP 0475) Restore machine to
original condition. Clear and
refresh DTCs. (Volume 3,
WP 0362)
1.
Disconnect engine interface
3.
Engine Interface
wiring harness connector J02.
Wiring Harness
Connector J02 Has
(Volume 5, WP 0800, Figure
Damage or Loose
47)
Sockets.
2.
Visually inspect connector J02
1.
If damaged or has loose
for damage and loose sockets.
sockets, repair connector J02
(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 4.
Measure resistance (Volume
1.
If continuity is present,
4.
Open Circuit
proceed to Malfunction 5.
Between Engine
3, WP 0369) between engine
Interface Wiring
interface wiring harness
2.
If continuity is not present,
Harness Connector
connector V07 socket 1
replace engine interface wiring
V07 Socket 1 and
(Volume 5, WP 0800, Figure
harness. (Volume 4,
Engine Interface
72) and engine interface
WP 0509) Restore machine to
Wiring Harness
wiring harness connector J02
original condition. Clear and
Connector J02
socket J4. (Volume 5,
refresh DTCs. (Volume 3,
Socket J4.
WP 0800, Figure 47)
WP 0362)
0063-2