TM 10-3930-675-20-1
0017 00-9
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
5. If resistance was not as
specified in step 4, turn
ignition switch to OFF
position and disconnect 31-
pin OEM harness connector
(round) and OEM harness
from engine ECU.
Measure resistance from
31-pin
OEM
harness
connector pin 7 to OEM
harness connector pin 7.
Resistance
should
be
greater than 100k ohms.
If engine harness requires
replacement, notify SRA.
>100K OHMS
OEM
HARNESS
31-PIN OEM
HARNESS
