Checking Engine Coolant Temperature (ECT) Sensor Signal

Checking Engine Coolant Temperature Sensor Signal
- Ignition on.
- Select scrolling values.
- Check that the engine coolant temperature (ECT) displayed by the Volvo Scan Tool (ST) is within bounds.
- Is engine coolant temperature within bounds?

Yes:
^ Proceed to: Checking Fuel and Residual Pressure section.

No:
^ Try a new engine coolant temperature sensor.