TM 10-3930-675-24-1
ENGINE ELECTRONIC CONTROL UNIT (ECU) (794) TROUBLESHOOTING - CONTINUED
0018 00
Table 2. Error Code 1227 - Sensor Voltage Supply Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1227 - Sensor Voltage Supply Failure 6. Place ignition switch in OFF
- Continued.
position
and
disconnect
actuator harness connector
from engine ECU.
a. Inspect engine ECU and Clean and repair connector(s) as
actuator harness connector required (WP 0113 00).
for dirty, corroded, bent,
broken, pushed back, and
extended pins.
b. Check engine ECU and
Remove dirt and moisture from
actuator harness connector
connector. Replace missing or
damaged connector seals (WP
for dirt or moisture in or on
0113 00).
connector and for missing or
damaged connector seals.
7. Place ignition switch in OFF
position and disconnect sensor
harness from engine ECU.
a. Measure resistance from If engine harness requires
actuator harness pin 19 to all replacement, notify Sustainment
other pins in actuator Maintenance.
be greater than 100k Ohms.
USE TEST LEAD
KIT P/N 3822758
>100K OHMS
0018 00-10