TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Transmission Does Not Shift
into Forward - Continued
Control and Ground Circuit.
1. Remove front floor cover plate
(WP 0306).
2. Disconnect powershift wiring har-
Figure 147).
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 4.
shift controller wiring harness
Install instrument panel front cover (WP
terminal F1 and powershift wiring
0174).
Replace powershift wiring harness (WP
ure 146) terminal C. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 5.
shift controller wiring harness
Install instrument panel front cover (WP
terminal J1 and powershift wiring
0174).
Replace powershift wiring harness (WP
ure 146) terminal E. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 6.
shift controller wiring harness
Install instrument panel front cover (WP
terminal B1 and powershift wiring
0174).
Replace powershift wiring harness (WP
ure 146) terminal H. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
continuity between powershift con-
front cover (WP 0174).
troller wiring harness connector
Replace powershift wiring harness (WP
0167).
and machine ground. There should
Proceed to Test Step 38.
be no continuity.
front cover (WP 0174).
Replace transmission controller (WP
0168).
Connect powershift wiring harness
Install front floor cover plate (WP 0306).
Proceed to Test Step 38.
0051-13