TM 10-3930-675-24-1
ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED
0021 00
Table 7. Error Code 1212 - Oil Temperature
Sensor Circuit Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 1212 - Oil Temperature Sensor 5. Place ignition switch in OFF If engine harness requires
Circuit Failure - Continued.
position. Disconnect engine replacement, notify Sustainment
harness from oil pressure/ Maintenance.
temperature
sensor
and
disconnect sensor harness
from engine ECU. Perform the
following resistance checks:
42 of sensor harness
connector to all other pins in
sensor harness. Resistance
should be more than 100k
Ohms.
43 of sensor harness
connector to all other pins in
sensor harness. Resistance
should be more than 100k
Ohms.
>100K Ohms
>100K Ohms
6. Place ignition switch in OFF If engine harness requires
position. Disconnect engine replacement, notify Sustainment
harness from oil pressure/ Maintenance.
temperature
sensor
and
disconnect sensor harness
from engine ECU. Perform the
following resistance checks:
0021 00-20