TM 5-2420-231-23-1
0043
Table 1. Display and/or Backup Alarm Does Not Turn On - Continued.
043
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
3. Using a digital multimeter, mea-
Display and/or Backup
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to step 4.
Alarm Does Not Turn On -
sole wiring harness connector (WP
Continued
Resistance Greater Than 5.0 Ohms -
0007, Figure 105) terminal 85 and
Replace front console wiring harness
powershift wiring harness connec-
(WP 0162).
tor (WP 0007, Figure 113) terminal
Proceed to Test Step 30.
A. Resistance should be 5.0 ohms
or less.
4. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between front con-
Proceed to Test Step 13.
sole wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 105) terminal 86 and
Replace front console wiring harness
machine ground. Resistance
(WP 0162).
should be 5.0 ohms or less.
Proceed to Test Step 30.
Test Step 13. Check for Open Circuit
in Powershift Wiring Harness.
1. Disconnect powershift lever (WP
0007, Figure 114) from powershift
controller wiring harness connec-
tor (WP 0007, Figure 21).
2. Using a digital multimeter, mea-
Resistance 5.0 Ohms or Less -
sure resistance between power-
Proceed to Test Step 14.
shift wiring harness connector (WP
Resistance Greater Than 5.0 Ohms -
0007, Figure 113) terminal A and
Replace powershift wiring harness
powershift controller wiring har-
(WP 0167).
ness connector (WP 0007, Figure
Proceed to Test Step 30.
21) terminal 5. Resistance should
be 5.0 ohms or less.
Test Step 14. Check for Open
Powershift Lever Switch.
NOTE
Ensure powershift lever is in the R position (TM 5-2420-231-10).
Using a digital multimeter, measure
Resistance 5.0 Ohms or Less -
resistance between powershift lever
Replace powershift wiring harness (WP
(WP 0007, Figure 114) terminals 8 and
0167).
5. Resistance should be 5.0 ohms or
Proceed to Test Step 30.
less.
Resistance Greater Than 5.0 Ohms -
Replace powershift lever (WP 0165).
Proceed to Test Step 30.
Test Step 15. Check for Open Circuit
in Front Console Wiring Harness.
1. Turn ignition switch to the off posi-
tion (TM 5-2420-231-10) and dis-
connect batteries (WP 0157).
0043-9