TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Transmission Does Not Shift
Test Step 25. Test Forward Input
into Forward - Continued
Circuit.
1. Turn light control switch to the off
position (TM 5-2420-231-10).
2. Place powershift lever in the N
position (TM 5-2420-231-10).
3. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
4. Remove instrument panel front
cover (WP 0174).
5. Connect powershift controller wir-
ing harness connector (WP 0007,
Figure 21) to powershift lever (WP
0007, Figure 114).
6. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
7. Place powershift lever in the F
position (TM 5-2420-231-10).
8. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Install
sure voltage between powershift
instrument panel front cover (WP 0174).
controller wiring harness connec-
Replace transmission controller (WP
tor (WP 0007, Figure 20) terminals
0168).
C2 and B1. Monitor and record
Proceed to Test Step 38.
voltage. Voltage should be 10 to
Voltage Less Than 10 Volts - Proceed
14 volts.
to Test Step 26.
Test Step 26. Test Forward Relay,
Relay Voltage Supply, and Relay
Ground Circuits.
1. Place powershift lever in the N
position (TM 5-2420-231-10).
2. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
3. Remove forward relay (WP 0007,
Figure 186) from front console wir-
ing harness connector (WP 0007,
Figure 185).
4. Place powershift lever in the F
position (TM 5-2420-231-10).
5. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
0051-33