TM 10-3930-675-20-10020 00-20ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED0020 00Table 7. Error Code 1212 - Oil Temperature Sensor Circuit Failure Troubleshooting Procedures - Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 1212 - Oil Temperature SensorCircuit Failure - Continued5. Place ignition switch in OFFposition. Disconnect engineharness from oil pressure/temperature sensor anddisconnect sensor harnessfrom engine ECU. Performthe following resistancechecks:If engine harness requiresreplacement, notify SRA.a. Measure resistance frompin 42 of sensor harnessconnector to all other pinsin sensor harness.Resistance should be morethan 100k ohms.b. Measure resistance frompin 43 of sensor harnessconnector to all other pinsin sensor harness.Resistance should be morethan 100k ohms.6. Place ignition switch in OFFposition. Disconnect engineharness from oil pressure/temperature sensor anddisconnect sensor harnessfrom engine ECU. Performthe following resistancechecks:If engine harness requiresreplacement, notify SRA.>100K OHMS>100K OHMSUSE TEST LEAD KIT P/N 3822758
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