TM 5-2420-231-23-1
0053
Table 1. Powershift Lever - Continued.
0053
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using a digital multimeter, test for
Continuity - Replace front console
Powershift Lever -
continuity between front console
wiring harness (WP 0162).
Continued
wiring harness connector (WP
Proceed to Test Step 10.
0007, Figure 112) terminals C and
No Continuity - Replace powershift
D. There should be no continuity.
wiring harness (WP 0167).
Proceed to Test Step 10.
Test Step 5. Test Forward Control
Circuit for a Short.
1. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between powershift
step 2.
connector wiring harness connec-
No Voltage - Replace forward relay
tor (WP 0007, Figure 20) terminal
(WP 0007, Figure 186) (WP 0162).
C2 and machine ground. There
Proceed to Test Step 10.
should be no voltage.
2. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
3. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from main chassis wiring
harness connector (WP 0007, Fig-
ure 6).
4. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147).
5. Using a digital multimeter, test for
Continuity - Replace front console
continuity between front console
wiring harness (WP 0162).
wiring harness connector (WP
Proceed to Test Step 10.
0007, Figure 5) terminal 4D and all
No Continuity - Proceed to step 6.
other terminals on harness. There
should be no continuity.
6. Disconnect main chassis wiring
harness connector (WP 0007, Fig-
ure 101) from FWD/REV jumper
harness (WP 0007, Figure 102).
7. Using a digital multimeter, test for
Continuity - Replace main chassis
continuity between main chassis
wiring harness (WP 0154).
wiring harness connector (WP
Proceed to Test Step 10.
0007, Figure 6) terminal 4D and all
No Continuity - Proceed to step 8.
other terminals on harness. There
should be no continuity.
8. 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 10.
(WP 0007, Figure 20) terminal C2
No Continuity - Replace transmission
and all other terminals on harness.
controller (WP 0168).
There should be no continuity.
Proceed to test Step 10.
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