TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less - Install
Transmission Does Not Shift
sure resistance between power-
instrument panel front cover (WP 0174).
into Forward - Continued
shift wiring harness connector (WP
Replace transmission controller (WP
0007, Figure 104) terminal A and
0168).
powershift controller wiring har-
Connect main chassis (Forward
ness connector (WP 0007, Figure
Solenoid) wiring harness (WP 0007,
20) terminal C2. Resistance
Figure 101) to FWD/REV jumper
should be 5.0 ohms or less.
harness (WP 0007, Figure 102).
Connect FWD/REV jumper harness
(WP 0007, Figure 103) to powershift
wiring harness (WP 0007, Figure 104).
Install front floor cover plate (WP 0306).
Proceed to Test Step 38.
Resistance Greater Than 5.0 Ohms -
Replace powershift wiring harness (WP
0167).
Install instrument panel front cover (WP
0174).
Replace transmission controller (WP
0168).
Connect main chassis (Forward
Solenoid) wiring harness (WP 0007,
Figure 101) to FWD/REV jumper
harness (WP 0007, Figure 102).
Connect FWD/REV jumper harness
(WP 0007, Figure 103) to powershift
wiring harness (WP 0007, Figure 104).
Install front floor cover plate (WP 0306).
Proceed to Test Step 38.
Test Step 29. Test Shift Lever Input
Circuits.
1. Remove instrument panel front
cover (WP 0174).
2. Connect powershift controller wir-
ing harness connector (WP 0007,
Figure 21) to powershift lever (WP
0007, Figure 114).
3. Turn light control switch to off posi-
tion (TM 5-2420-231-10).
4. Place powershift lever in the N
position (TM 5-2420-231-10).
5. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
6. Remove front floor cover plate
(WP 0306).
0051-37