DA3 - Check Resistance of Temperature Sensor - Engine Off

- Key Off.

- Disconnect suspect temperature sensor.

- Measure resistance between sensor Signal Circuit and SIG RTN circuit at the temperature sensor. Refer to the chart for resistance specifications. Tables and Graphs

- Is resistance within specification?

YES -- For ECT sensor with a No Start: Do not service DTC 1116 at this time. RETURN to Symptom Flow Charts. Testing and Inspection

All others: Go to DA4. DA4 - Check Resistance of Temperature Sensor - Engine Running

NO -- REPLACE suspect sensor. RECONNECT vehicle harness. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes