TM 5-3805-290-23-1
TROUBLESHOOTING WITHOUT A DIAGNOSTIC CODE - CONTINUED
0008 00
Table 3. Transmission System Troubleshooting - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
N OT E
26. Transmission Control (Shift
Lever) Will Not Engage
Highest gear available in REVERSE is third gear.
Transmission - Continued.
(d) Disengage parking brake and
operate machine in all speeds and
in both directions using steering
column shift lever (TM 5-3805-
290-10). Implement handle
remote F/N/R switch should
remain in NEUTRAL position.
(e) Ensure transmission operates in all
gears and in both directions.
(f) Place steering column shift lever
in NEUTRAL and operate
machine in all speeds and in both
directions using implement handle
remote F/N/R switch (TM 5-3805-
290-10).
(g) Ensure transmission operates in all
gears and in both directions.
2. Check shift lever signal on ET status 1. If status of shift lever position changes
properly, go to Test 6.
screen.
(a) Disconnect F/N/R switch harness 2. If status on ET screen is "DATA
4-pin connector CN-C50 from
FAULT" in all shifter positions, go to
shift lever. Connect a jumper wire
Test 3.
from pin 3 to pin 4 on shifter 4-pin 3. If status on ET screen is "DATA
connector.
FAULT" in a particular position, go to
(b) Connect MSD to machine (WP
Test 4.
(c) Turn battery disconnect switch
and engine start switch to ON
position (TM 5-3805-290-10).
(d) Select powertrain ECM and go to
status screen 4.
(e) Move shift lever through all
possible positions. Observe status
of "Shift Lever Position" on ET
screen.
3. Check for power and ground at shifter. 1. If voltage is system voltage, go to Test
(a) At shifter, connect positive (red)
4.
multimeter lead to wire 110 (GN). 2. If voltage is not system voltage, first
(b) Connect negative (black)
check fuse for wire 110 GN. If fuse is
multimeter lead to wire 200 (BK).
bad, replace fuse. If fuse is good, wiring
(c) Measure voltage between two
harness may have failed. Replace
wires.
wiring harness between fuse and shifter
or between shifter and ground (WP
0169 00 thru WP 0175 00).
0008 00-71
