Honda Ridgeline 2006-2008
- Connect an HDS or equivalent scan tool to the data link connector (DLC) located under the driver's side of the dashboard.
- Turn the ignition switch ON .
- Check the ECT SENSOR in the DATA LIST.
- Start the engine and allow it to come to operating temperature.
If voltage is not within specification as shown in the chart, inspect the connectors and wiring harness.
- If no faults are found, replace the sensor.