TM 5-2420-231-23-1
0052
Table 1. Transmission Does Not Shift into Reverse - Continued.
052
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. Using a digital multimeter, test for
Continuity - Install instrument panel
Transmission Does Not Shift
continuity between powershift con-
front cover (WP 0174).
into Reverse - Continued
troller wiring harness connector
Replace powershift wiring harness (WP
(WP 0007, Figure 20) terminal D1
0167).
and all other terminals on harness.
Proceed to Test Step 38.
There should be no continuity.
No Continuity - Proceed to step 12.
12. Using a digital multimeter, test for
Continuity - Install instrument panel
continuity between powershift con-
front cover (WP 0174).
troller wiring harness connector
Replace powershift wiring harness (WP
(WP 0007, Figure 20) terminal E1
0167).
and all other terminals on harness.
Proceed to Test Step 38.
There should be no continuity.
No Continuity - Proceed to step 13.
13. Using a digital multimeter, test for
Continuity - Install instrument panel
continuity between powershift con-
front cover (WP 0174).
troller wiring harness connector
Replace powershift wiring harness (WP
(WP 0007, Figure 20) terminal F1
0167).
and all other terminals on harness.
Proceed to Test Step 38.
There should be no continuity.
No Continuity - Proceed to step 14.
14. Using a digital multimeter, test for
Continuity - Install instrument panel
continuity between powershift con-
front cover (WP 0174).
troller wiring harness connector
Replace powershift wiring harness (WP
(WP 0007, Figure 20) terminal G1
0167).
and all other terminals on harness.
Proceed to Test Step 38.
There should be no continuity.
No Continuity - Proceed to step 15.
15. Using a digital multimeter, test for
Continuity - Install instrument panel
continuity between powershift con-
front cover (WP 0174).
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).
0052-24