TM 5-2420-231-23-1
0052
Table 1. Transmission Does Not Shift into Reverse - Continued.
052
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
6. Using a digital multimeter, mea-
Voltage 10 to 14 Volts - Proceed to
Transmission Does Not Shift
sure voltage between front console
step 7.
into Reverse - Continued
wiring harness connector (WP
Voltage Less Than 10 Volts - Proceed
0007, Figure 105) terminal 85 and
to Test Step 27.
machine ground. Voltage should
be 10 to 14 volts.
7. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
8. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to step 9.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 105) terminal 86 and
Verify that front console ground (WP
machine ground. Resistance
0007, Figure 187) is clean and tight. If
should be 5.0 ohms or less.
ground is OK, replace front console
wiring harness (WP 0162).
Proceed to Test Step 38.
9. Using a digital multimeter, mea-
Resistance 85 to 95 Ohms - Proceed
sure resistance between reverse
to Test Step 28.
relay (WP 0007, Figure 106) termi-
Resistance Less Than 85 Ohms or
nals 85 and 86. Resistance should
Greater Than 95 Ohms - Replace
be 85 to 95 ohms.
reverse relay (WP 0007, Figure 106).
Install instrument panel front cover (WP
0174).
Proceed to Test Step 38.
Test Step 27. Test Shift Lever Switch
and Shift Lever Reverse Output
Circuit.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
2. Disconnect powershift wiring har-
ness connector (WP 0007, Figure
113) from front console wiring har-
ness connector (WP 0007, Figure
112).
3. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to step 4.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 105) terminal 85 and
Replace front console wiring harness
front console wiring harness con-
(WP 0162).
nector (WP 0007, Figure 112) ter-
Proceed to Test Step 38.
minal A. Resistance should be 5.0
ohms or less.
4. Disconnect powershift lever (WP
0007, Figure 114) from powershift
controller wiring harness connec-
tor (WP 0007, Figure 21).
0052-34
