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ENGINE DRIVEABILITY AND EMISSIONS 6E–129 Diagnostic Trouble Code (DTC) P0117 Engine Coolant Temperature Sensor Low Input Step Action Value(s) Yes No 1 Was the “On-Board Diagnostic (OBD) System Check” — Go to Step 2 Go to On Board Diagnostic (OBD) System Check 2 1. Connect the Tech 2. 2. Review and record the failure information. 3. Select “F0: Read DTC Infor By Priority” in “F0: Diagnostic Trouble Code”. Is the DTC P0117 stored as “Present Failure”? — Go to Step 3 Refer to Diagnostic Aids and Go to Step 3 3 1. Using the Tech2, ignition “On” and engine “Off”. 2. Select “Clear DTC Information” with the Tech2 and clear the DTC information. 3. Operate the vehicle and monitor the “F5: Failed This Ignition” in “F2: DTC Information”. Was the DTC P0117 stored in this ignition cycle? — Go to Step 4 Refer to Diagnostic Aids and Go to Step 4 4 Check for poor/faulty connection at the ECT sensor or — Verify repair Go to Step 5 5 Visually check the ECT sensor. — Go to Step 8 Go to Step 6 6 Using the DVM and check the ECT sensor. 1. Ignition “Off”, engine “Off”. 2. Disconnect ECT sensor connector. 3. Measure the resistance of ECT sensor. Does the tester indicate standard resistance as shown Standard resistance Go to Step 7 Go to Step 8 E60(J1) E69 32 27 Temperature (°C) Resistance ( Ω) (Approximately) -20 32040 0 9788 20 3516 40 1439 60 656 80 327 100 175 120 100 ECT Sensor 1 1 2 2 |