TM 10-3930-675-24-1
ENGINE BATTERY VOLTAGE CIRCUITS TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 1434 - Unswitched Battery Supply Circuit
Failure
Driver Circuit Failure
Error Code 1441 - Unswitched Battery Supply Circuit
Error Code 1596 - Voltage Monitor, High Voltage Fail-
Failure
ure
Error Code 1442 - Unswitched Battery Supply Circuit
Failure
INITIAL SETUP
Tools and Special Tools
References
Test Lead, Male (Item 124, WP 0289 00)
TM 10-3930-675-10
Current Supply (A34738.0200) (WP 0048 00-31)
NOTE
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations that
locate critical components.
Refer also to illustrations at end of work package for component location.
Table 1. Error Code 1434 - Unswitched Battery
Supply Circuit Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
NOTE
Error Code 1434 - Unswitched Battery Supply
Circuit Failure.
Use test lead, male - part number 3822758 (Item 122,
3822917 (Item 124, WP 0289 00-17) to test the OEM
harness connector.
1. Check condition and charge of a. If the battery voltage of any
one battery drops below 6V
batteries. Check the voltage of
when cranking, service,
each battery while cranking the
charge, or replace battery.
engine.
b. Clean battery connections.
2. Ensure circuit breakers F4 and Reset circuit breakers as required.
F5 are not tripped.
