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
b. Measure resistance from If engine harness requires
- Continued.
actuator harness pin 29 to all replacement, notify Sustainment
other pins in actuator Maintenance.
harness. Resistance should
be greater than 100k Ohms.
8. Place ignition switch in OFF
position
and
disconnect
actuator harness and OEM
harness from engine ECU.
a. Measure resistance from If engine harness requires
actuator harness connector replacement, notify Sustainment
pin 19 to OEM harness Maintenance.
connector pin 7. Resistance
should be greater than 100k
Ohms.
b. Measure resistance from If engine harness requires
actuator harness connector replacement, notify Sustainment
pin 29 to OEM harness Maintenance.
connector pin 7. Resistance
should be greater than 100k
Ohms.
USE TEST LEAD
KIT P/N 3822758
>100K OHMS
0018 00-11