TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
16. Using a digital multimeter, test for
Continuity - Install instrument panel
Transmission Does Not Shift
continuity between powershift con-
front cover (WP 0174).
into Forward - Continued
troller wiring harness connector
Replace powershift wiring harness (WP
(WP 0007, Figure 20) terminal J1
0167).
and all other terminals on harness.
Proceed to Test Step 38.
There should be no continuity.
No Continuity - Install instrument panel
front cover (WP 0174).
Replace transmission controller (WP
0168).
Connect powershift wiring harness
connector (WP 0007, Figure 146) to
transmission (WP 0007, Figure 147).
Install front floor cover plate (WP 0306).
Proceed to Test Step 38.
Test Step 20. Test Directional
Solenoid Control Circuits and
Ground Circuit for an Open.
1. Remove front floor cover plate
(WP 0306).
2. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 4.
shift controller wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminal D1 and powershift wiring
0174).
harness connector (WP 0007, Fig-
Replace powershift wiring harness (WP
ure 146) terminal D. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 5.
shift controller wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminal E1 and powershift wiring
0174).
harness connector terminal B (WP
Replace powershift wiring harness (WP
0007, Figure 146). Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 6.
shift controller wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminal F1 and powershift wiring
0174).
harness connector terminal C (WP
Replace powershift wiring harness (WP
0007, Figure 146). Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
0051-24