TM 5-3805-293-23-1
0012
Table 2. Transmission Symptom-based Troubleshooting.
0012
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Transmission Will Not
1. Check transmission oil level (LO
Oil Level Low - Fill transmission oil to
Shift Into any Gear from
5-3805-293-13).
correct level (LO 5-3805-293-13).
Neutral Position
Oil Level OK - Proceed to step 2.
Active Event or Diagnostic Fault
2. Connect MSD (WP 0006). Select
Code - Troubleshoot fault codes (WP
Trans/Chassis 120M and check
for any Active event or diagnostic
fault codes.
No Active Event or Diagnostic Fault
Code - Proceed to step 3.
3. Perform the following:
a. On ET, select Trans/Chassis
120M from ECM list.
b. Select status icon (WP 0006).
c.
Highlight Transmission Basic
1 from status group on left
side of screen.
d. Observe Inching Pedal Posi-
Inching Pedal Position Percentage
tion status on status screen
Did Not Change Accordingly - Pro-
while depressing and releas-
ceed to step 4.
ing inching pedal. Percent-
Inching Pedal Position Percentage
age should increase as pedal
Changed Accordingly - Proceed to
is depressed and decrease as
step 5.
pedal is released.
4. Remove brake pedal assembly
Brake Pedal Assembly Damaged -
(WP 0291). Remove inching
Replace brake pedal assembly (WP
pedal position sensor (WP 0288).
0291).
Inspect brake pedal assembly for
Brake Pedal OK - Replace inching
damage (WP 0291). Inspect inch-
pedal position sensor (WP 0288).
ing pedal position sensor for dam-
age (WP 0288).
5. Perform Powertrain Charge Sys-
Pressure Not Within Specified
tem Pressure Test and Adjust
Range - Perform adjustment as
(WP 0043).
directed in Powertrain Charge System
Pressure Test and Adjust (WP 0043).
Proceed to step 6.
Pressure Within Specified Range -
Proceed to step 9.
6. Perform Powertrain Charge Sys-
Pressure Not Within Specified
tem Pressure Test and Adjust
Range - Replace transmission main
(WP 0043).
relief valve (WP 0147). Proceed to
step 7.
Pressure Within Specified Range -
Verify correct operation of machine
(TM 5-3805-293-10).
