TM 5-2420-231-23-1
0056
Table 1. Transmission Has Uncommanded Shift into Neutral - Continued.
056
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
13. Using a digital multimeter, test for
Continuity - Replace powershift wiring
Transmission Has
continuity between powershift con-
harness (WP 0167).
Uncommanded Shift into
nector wiring harness connector
Proceed to Test Step 6.
Neutral - Continued
(WP 0007, Figure 20) terminal F1
No Continuity - Proceed to step 14.
and all other terminals on harness.
There should be no continuity.
14. Using a digital multimeter, test for
Continuity - Replace powershift wiring
continuity between powershift con-
harness (WP 0167).
nector wiring harness connector
Proceed to Test Step 6.
(WP 0007, Figure 20) terminal G1
No Continuity - Proceed to step 15.
and all other terminals on harness.
There should be no continuity.
15. Using a digital multimeter, test for
Continuity - Replace powershift wiring
continuity between powershift con-
harness (WP 0167).
nector wiring harness connector
Proceed to Test Step 6.
(WP 0007, Figure 20) terminal J1
No Continuity - Replace transmission
and all other terminals on harness.
controller (WP 0168).
There should be no continuity.
Proceed to Test Step 6.
Test Step 5. Test Directional
Solenoid Control Circuits and
Ground Circuit for an Open.
1. Remove front floor cover plate
(WP 0306).
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 3.
shift connector wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Replace powershift wiring harness (WP
terminal D1 and powershift wiring
0167).
harness connector terminal D (WP
Proceed to Test Step 6.
0007, Figure 146). Resistance
should be 5.0 ohms or less.
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 4.
shift connector wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Replace powershift wiring harness (WP
terminal E1 and powershift wiring
0167).
harness connector terminal B (WP
Proceed to Test Step 6.
0007, Figure 146). Resistance
should be 5.0 ohms or less.
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 5.
shift connector wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Replace powershift wiring harness (WP
terminal C1 and powershift wiring
0167).
harness connector terminal G (WP
Proceed to Test Step 6.
0007, Figure 146). Resistance
should be 5.0 ohms or less.
0056-6