TM 10-3930-675-20-1
0017 00-10
ENGINE ELECTRONIC CONTROL UNIT (ECU) TROUBLESHOOTING - CONTINUED
0017 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
- Continued
6. Place ignition switch to OFF
position
and
disconnect
actuator harness connector
from engine ECU.
a. Inspect engine ECU and
actuator harness connector
for dirty, corroded, bent,
broken, pushed back, and
extended pins.
Clean and repair connector(s) as
required (WP 0111 00).
b. Check engine ECU and
actuator harness connector
for dirt or moisture in or on
connector and for missing
or
damaged
connector
seals.
Remove dirt and moisture from
connector. Replace missing or
damaged connector seals (WP
0111 00).
7. Place ignition switch to OFF
position
and
disconnect
sensor harness from engine
ECU.
a. Measure resistance from
actuator harness pin 19 to
all other pins in actuator
harness. Resistance should
be greater than 100k ohms.
If engine harness requires
replacement, notify SRA.
>100K OHMS
USE TEST LEAD
KIT P/N 3822758
