TM 5-2420-231-23-1
0052
Table 1. Transmission Does Not Shift into Reverse - Continued.
052
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Connect batteries (WP 0157) and
Transmission Does Not Shift
turn ignition switch to the on posi-
into Reverse - Continued
tion (TM 5-2420-231-10).
4. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
sure voltage between front console
Test Step 32.
wiring harness connector (WP
No Voltage - Install instrument panel
0007, Figure 185) terminal 85 and
front cover (WP 0174).
machine ground. There should be
Replace powershift lever (WP 0165).
no voltage.
Proceed to Test Step 38.
Test Step 32. Test Front Console
Wiring Harness Forward Relay
Voltage Supply Circuit.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
113) from front console wiring har-
ness connector (WP 0007, Figure
112).
3. 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 38.
0007, Figure 112) terminals C and
No Continuity - Install instrument panel
D. There should be no continuity.
front cover (WP 0174).
Replace powershift wiring harness (WP
0167).
Proceed to Test Step 38.
Test Step 33. 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.
controller wiring harness connec-
No Voltage - Install instrument panel
tor (WP 0007, Figure 20) terminal
front cover (WP 0174).
C2 and machine ground. There
Replace forward relay (WP 0007,
should be no voltage.
Figure 186) (WP 0162).
Proceed to Test Step 38.
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 front main chassis wir-
ing harness connector (WP 0007,
Figure 6).
0052-39