TM 10-3930-675-20-1
0025 00-4
ENGINE BATTERY VOLTAGE CIRCUITS TROUBLESHOOTING - CONTINUED
0025 00
Table 1. Error Code 1434 - Unswitched Battery Supply Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1434 - Unswitched Battery Supply
Circuit Failure - Continued
5. Ensure that ignition switch is
in
OFF
position
and
disconnect
OEM
harness
connector from engine ECU
(794).
a. Inspect harness and engine
ECU (794) connectors for
dirty,
corroded,
bent,
broken, and pushed back or
extended pins.
Clean and repair connector(s) as
required (WP 0111 00).
b. Check harness and engine
ECU (794) for dirt or
moisture
in
or
on
connectors and for missing
or
damaged
connector
seals.
Remove dirt and moisture from
connector. Replace missing or
damaged connector seals (WP
0111 00).
6. Place ignition in OFF position
and disconnect OEM harness
connector from engine ECU
(794). Perform the following
voltage checks.
If voltage is not as specified,
notify SRA to repair or replace
engine harness.
a. Measure
voltage
from
OEM harness connector
pin 7 to pin 29. Voltage
should be 24-30V.
b. Measure
voltage
from
OEM harness connector pin
8 to pin 30. Voltage should
be 24-30V.