TM 5-2420-231-23-1
0056
Table 1. Transmission Has Uncommanded Shift into Neutral - Continued.
056
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Using a digital multimeter, mea-
Resistance 26 to 30 Ohms - Proceed
Transmission Has
sure resistance between power-
to step 6.
Uncommanded Shift into
shift connector wiring harness
Neutral - Continued
Resistance Less Than 26 Ohms -
connector (WP 0007, Figure 20)
Replace transmission (WP 0213).
terminals F1 and B1. Resistance
Proceed to Test Step 6.
should be 26 to 30 ohms.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 5.
6. Using a digital multimeter, mea-
Resistance 26 to 30 Ohms - Proceed
sure resistance between power-
to step 7.
shift connector wiring harness
Resistance Less Than 26 Ohms -
connector (WP 0007, Figure 20)
Replace transmission (WP 0213).
terminals G1 and B1. Resistance
Proceed to Test Step 6.
should be 26 to 30 ohms.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 5.
7. Using a digital multimeter, mea-
Resistance 26 to 30 Ohms - Proceed
sure resistance between power-
to step 9.
shift connector wiring harness
Resistance Less Than 26 Ohms -
connector (WP 0007, Figure 20)
Replace transmission (WP 0213).
terminals J1 and B1. Resistance
Proceed to Test Step 6.
should be 26 to 30 ohms.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 5.
8. Remove front floor cover plate
(WP 0306).
9. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
146) from transmission (WP 0007,
Figure 147) (WP 0167).
10. 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 F1
No Continuity - Proceed to step 11.
and all other terminals on harness.
There should be no continuity.
11. 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 D1
No Continuity - Proceed to step 12.
and all other terminals on harness.
There should be no continuity.
12. 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 E1
No Continuity - Proceed to step 13.
and all other terminals on harness.
There should be no continuity.
0056-5