TM 5-3810-307-24-1-1
3.
Transmission Clutch Pressure Input (07).
(3)
If clutch pressure is inadequate,
check and correct hose routing to
a.
Position ignition switch to 1 (run); do not
four wheel drive (FWD) solenoid
start engine.
valve and to lockup modulator
valve as necessary.
(1)
LED #07 should be illuminated
yellow/orange (no pressure).
4.
Outputs to
Transmission
Shift
(12,13,14,15,19).
(2)
If
not
illuminated,
check
a.
Check transmission harness.
harnesses and pressure switch
for continuity.
(1)
Install
transmission
harness
tester as shown in Figure 2-3-8.
b.
Start engine.
(2)
Position ignition switch to 1 (run);
(1)
LED #07 should go out (adequate
do not start engine.
pressure).
(3)
Place APC 100 override switch in
(2)
If not out, check transmission
manual position.
clutch pressure. Clutch pressure
should be 240-280 psi (1655-
1931 kPa) with oil at 180-2500 F
(4)
Move the transmission shift
(82-1210 C), engine at idle, and
control lever to each position and
check that LEDs in left and right
transmission in N (neutral).
columns of harness tester
illuminate green as shown in
2-3-21
