TM 5-3990-263-13&P
0031
CORRECTIVE ACTION - Continued
a.
If hydraulic hoses, lines, or fittings are leaking or damaged, tighten fittings and replace
damaged hoses or lines. (WP 0055)
b.
If hydraulic hoses, lines, or fittings are not leaking or damaged and vehicle is Model A,
End of Task.
c.
If hydraulic hoses, lines, or fittings are not leaking or damaged and vehicle is Model B,
proceed to next Malfunction.
MALFUNCTION
Cab Interface Wiring Harness is Faulty.
CORRECTIVE ACTION
1.
Remove three thumb screws and access cover on right side of vehicle under front fender to gain
access to cab interface wiring harness connector (Figure 3).
P2
J2
ACCESS
COVER
THUMB
SCREWS
POSITION
POSITION
4
POSITION
2
3
Figure 3. Access Cover, Connector J2, and Connector P2.
2.
Cut and remove wire ties as necessary to loosen cab interface wiring harness.
3.
Disconnect cab interface wiring harness connector J2 from digital controller wiring harness
connector P2 (Figure 3).
4.
Turn engine start switch to ON position. (TM 9-2320-435-10 or TM 9-2320-425-10)
5.
Set multimeter to voltage position.
6.
Place positive (+) probe of multimeter on position 2, circuit 1473, of control cab control box
connector J2 (Figure 3).
7.
Place negative (-) probe of multimeter on known good ground. Check multimeter for voltage
reading, note reading.
8.
Set cab LHS MODE SELECT switch to AUTO position (Figure 4).
