TM 5-2420-231-23-1
0052
Table 1. Transmission Does Not Shift into Reverse - Continued.
052
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
5. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less - Install
Transmission Does Not Shift
sure resistance between power-
instrument panel front cover (WP 0174).
into Reverse - Continued
shift controller wiring harness
Replace transmission controller (WP
connector (WP 0007, Figure 20)
0168).
terminal B1 and powershift wiring
Connect powershift wiring harness
harness connector (WP 0007, Fig-
connector (WP 0007, Figure 146) to
ure 146) terminal H. Resistance
transmission (WP 0007, Figure 147).
should be 5.0 ohms or less.
Install front floor cover plate (WP 0306).
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 Reverse Solenoid
and 4WD/2WD 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 G1. 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.
Test Step 10. Test Solenoid Output
Control and Ground Circuit.
1. Remove front floor cover plate
(WP 0306).
0052-13
