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
2. Using a digital multimeter, mea-
Display and/or Backup
Resistance 5.0 Ohms or Less -
sure resistance between main
Proceed to Test Step 30.
Alarm Does Not Turn On -
chassis wiring harness connector
Continued
Resistance Greater Than 5.0 Ohms -
(WP 0007, Figure 120) terminal 2
Replace main chassis wiring harness
and machine ground. Resistance
(WP 0154).
should be 5.0 ohms or less.
Proceed to Test Step 30.
Test Step 30. Verify That Symptom Is
Resolved.
1. Ensure that all wiring harness con-
nectors are connected.
2. Connect batteries (WP 0157) and
turn ignition switch to the on posi-
tion (TM 5-2420-231-10).
3. Ensure that light control switch is
in the SER. DRIVE position (TM 5-
2420-231-10).
4. Ensure that powershift lever is in
the R position (TM 5-2420-231-
10).
5. Listen for backup alarm and main
Backup Alarm Sounds, Main Alarm
alarm, and observe display screen
Sounds, and Display Screen
(TM 5-2420-231-10).
Indicates "GA", Then "rA" -
Troubleshooting complete.
Backup Alarm Does Not Sound
and/or Main Alarm Does Not Sound
and/or Display Screen Does Not
Indicate "GA", Then "rA" - Repeat
troubleshooting from the beginning.
END OF WORK PACKAGE
0043-16