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-
Transmission Does Not Shift
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 6.
into Reverse - Continued
shift controller wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminal H1 and powershift wiring
0174).
harness connector (WP 0007, Fig-
Replace powershift wiring harness (WP
ure 146) terminal K. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
6. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to step 7.
shift controller wiring harness
Resistance Greater Than 5.0 Ohms -
connector (WP 0007, Figure 20)
Install instrument panel front cover (WP
terminal B1 and powershift wiring
0174).
harness connector (WP 0007, Fig-
Replace powershift wiring harness (WP
ure 146) terminal H. Resistance
0167).
should be 5.0 ohms or less.
Proceed to Test Step 38.
7. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less - Install
sure resistance between power-
instrument panel front cover (WP 0174).
shift controller wiring harness
Replace transmission controller (WP
connector (WP 0007, Figure 20)
0168).
terminal K1 and powershift wiring
Connect powershift wiring harness
harness connector (WP 0007, Fig-
connector (WP 0007, Figure 146) to
ure 146) terminal M. 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 19. Test Directional
Solenoids and Solenoid Control
Circuits for a Short.
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 D1 and B1. Resistance
0174).
should be 26 to 30 ohms.
Replace transmission (WP 0213).
Proceed to Test Step 38.
Resistance Greater Than 30 Ohms -
Proceed to Test Step 20.
0052-22
