TM 5-2420-231-23-1
0051
Table 1. Transmission Does Not Shift into Forward - Continued.
051
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
4. Using a digital multimeter, mea-
Transmission Does Not Shift
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 5.
into Forward - Continued
shift controller 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 (WP 0007, Fig-
Proceed to Test Step 38.
ure 146) terminal B. Resistance
should be 5.0 ohms or less.
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Replace transmission controller (WP
shift controller wiring harness
0168).
connector (WP 0007, Figure 20)
Connect powershift wiring harness
terminal B1 and powershift wiring
connector (WP 0007, Figure 146) to
harness connector (WP 0007, Fig-
transmission (WP 0007, Figure 147).
ure 146) terminal H. Resistance
Install front floor cover plate (WP 0306).
should be 5.0 ohms or less.
Proceed to Test Step 38.
Resistance Greater Than 5.0 Ohms -
Install instrument panel front cover (WP
0174).
Replace powershift wiring harness (WP
0167).
Proceed to Test Step 38.
Test Step 9. Test Forward Solenoid
and 4WD Solenoid.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Remove instrument panel front
cover (WP 0174).
3. Using a digital multimeter, mea-
Resistance 26 to 30 Ohms - Proceed
sure resistance between power-
to step 4.
shift controller wiring harness
Resistance Less Than 26 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminals B1 and F1. Monitor and
0174).
record resistance. Resistance
Replace transmission (WP 0213).
should be 26 to 30 ohms.
Proceed to Test Step 38.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 10.
4. Using a digital multimeter, mea-
Resistance 26 to 30 Ohms - Proceed
sure resistance between power-
to Test Step 10.
shift controller wiring harness
Resistance Less Than 26 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminals B1 and J1. Monitor and
0174).
record resistance. Resistance
Replace transmission (WP 0213).
should be 26 to 30 ohms.
Proceed to Test Step 38.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 10.
0051-12
