TM 10-3930-675-20-10020 00-12ENGINE TEMPERATURE SENSORS AND CIRCUITS TROUBLESHOOTING - CONTINUED0020 00Table 4. Error Code 1153 - Intake Air Temperature Sensor Circuit FailureTroubleshooting Procedures - Continued.MALFUNCTIONTEST OR INSPECTIONCORRECTIVE ACTIONError Code 1153 - Intake Air TemperatureSensor Circuit Failure - Continued5. Place ignition switch in OFFposition. Disconnect engineharness from intake airtemperature sensor anddisconnect sensor harnessfrom engine ECU. Performthe following resistancechecks:If engine harness requiresreplacement, notify SRA.a. Measure resistance frompin 38 of sensor harnessconnector to all other pinsin sensor harness.Resistance should be morethan 100k ohms.b. Measure resistance frompin 40 of sensor harnessconnector to all other pinsin sensor harness.Resistance should be morethan 100k ohms.6. Place ignition switch in OFFposition. Disconnect engineharness from intake airtemperature sensor anddisconnect sensor harnessfrom engine ECU. Performthe following resistancechecks:If engine harness requiresreplacement, notify SRA.USE TESTLEAD KIT P/N 3822758>100K OHMS
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