TM 10-3930-675-24-1
ENGINE POSITION SENSOR CIRCUITS TROUBLESHOOTING - CONTINUED
0019 00
Table 2. Error Code 1121 - Engine Position
Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1121 - Engine Position Sensor Circuit 13.Reconnect sensor harness to If engine harness requires
Failure - Continued.
engine position sensor. Check replacement, notify Sustainment
for open circuit:
Maintenance.
a. Measure resistance from pin
49 to pin 50 of engine
harness connector. Resis-
tance should be 1,000 to
2,000 Ohms.
b. Measure resistance from pin
47 to pin 48 of engine
harness connector. Resis-
tance should be 1,000 to
2,000 Ohms.
Table 3. Error Code 1234 - Engine Overspeed Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1234 - Engine Overspeed Failure.
Notify Sustainment
Maintenance.
0019 00-9
