TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
Transmission Does Not Shift
sure voltage between forward
step 5.
into Forward - Continued
relay (WP 0007, Figure 185) termi-
Voltage Less Than 10 Volts - Replace
nal 30 and machine ground. Volt-
front console wiring harness (WP
age should be 10 to 14 volts.
0162).
Proceed to Test Step 38.
5. Place powershift lever in the N
position (TM 5-2420-231-10).
6. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
7. Disconnect front console wiring
harness connector (WP 0007, Fig-
ure 5) from front main chassis wir-
ing harness connector (WP 0007,
Figure 6).
8. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to step 9.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 185) terminal 87 and
Replace front console wiring harness
front console wiring harness con-
(WP 0162).
nector (WP 0007, Figure 5) termi-
Proceed to Test Step 38.
nal 4D. Resistance should be 5.0
ohms or less.
9. Remove front floor cover plate
(WP 0306).
10. Disconnect main chassis (forward
solenoid) wiring harness connector
(WP 0007, Figure 101) from FWD/
REV jumper harness (WP 0007,
Figure 102).
11. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front
Proceed to step 12.
main chassis wiring harness con-
Resistance Greater Than 5.0 Ohms -
nector (WP 0007, Figure 6) termi-
Install instrument panel front cover (WP
nal 4D and main chassis (forward
0174).
solenoid) wiring harness connector
Replace main chassis wiring harness
(WP 0007, Figure 101) terminal 2.
(WP 0154).
Resistance should be 5.0 ohms or
Proceed to Test Step 38.
less.
12. Disconnect FWD/REV jumper har-
ness (WP 0007, Figure 103) from
powershift wiring harness connec-
tor (WP 0007, Figure 104).
0051-36