TM 5-2420-231-23-1
0055
Table 1. Transmission Does Not Shift into Third or Fourth Gear - Continued.
055
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using a digital multimeter, mea-
Transmission Does Not Shift
Resistance 980 to 4,280 Ohms -
sure resistance between power-
Proceed to step 5.
into Third or Fourth Gear -
shift connector wiring harness
Continued
Resistance Greater Than 4,280
connector (WP 0007, Figure 20)
Ohms - Replace transmission (WP
terminals B2 and K3. Resistance
0213).
should be 980 to 4,280 ohms.
Proceed to Test Step 7.
4. Remove front floor cover plate
(WP 0306).
5. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147) (WP 0167).
6. Using a digital multimeter, test for
Continuity - Replace powershift wiring
continuity between powershift con-
harness (WP 0167).
nector wiring harness connector
Proceed to Test Step 7.
(WP 0007, Figure 20) terminal K3
No Continuity - Proceed to step 7.
and all other terminals on wiring
harness connector and to machine
ground. There should be no conti-
nuity.
7. Using a digital multimeter, test for
Continuity - Replace powershift wiring
continuity between powershift con-
harness (WP 0167).
nector wiring harness connector
Proceed to Test Step 7.
(WP 0007, Figure 20) terminal B2
No Continuity - Replace transmission
and all other terminals on wiring
(WP 0213).
harness connector and to machine
Proceed to Test Step 7.
ground. There should be no conti-
nuity.
Test Step 7. Verify That Symptom Is
Resolved.
1. Ensure that all wiring harness con-
nectors are connected.
2. Place powershift lever in the N
position (TM 5-2420-231-10).
3. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
4. Start and idle machine (TM 5-
2420-231-10).
5. Place powershift lever in fourth
Transmission Does Not Shift into
gear forward (TM 5-2420-231-10),
Third or Fourth Gear - Repeat
and operate the machine.
troubleshooting from the beginning.
Transmission OK - Troubleshooting
complete.
END OF WORK PACKAGE
0055-6