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DA10 - Induce DTC 117 or 112



Diagnostic Trouble Code (DTC) 118 Engine Coolant Temperature (ECT) or 113 Intake Air Temperature (IAT) indicates that the corresponding sensor signal is greater than the Self-Test maximum. The maximum for ECT and IAT sensors is 4.6 volts.

Possible causes:
- Open in harness (IAT or ECT).

- Faulty connection.

- Faulty sensor.

- Faulty Powertrain Control Module (PCM).

- Key "OFF".

- Disconnect suspect temperature sensor.

- Connect a jumper wire between the sensor signal circuit and SIG RTN circuit at the temperature sensor vehicle harness connector.

- Run Key On Engine Off Self-Test. Quick Test Appendix (Detailed Testing Instructions)

- NOTE: If an error message is displayed, remove jumper wire immediately and go to DA12. DA12 - Check For Sensor Signal Shorted VREF

- Is Diagnostic Trouble Code (DTC) 112 or 117 present?

Yes -- Replace suspect sensor. Remove jumper wire. Reconnect vehicle harness. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Remove jumper wire. Go to DA11. DA11 - Check Continuity of Sensor Signal and SIG RTN Circuits