FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Checking the Temperature




Checking Temperature







- Let the engine cool down completely.
- Read value: Coolant Temperature (Trionic).
- Check the temperature of the cylinder head with an external temperature gauge.
- Check that the diagnostics tool value is within ± 10 °C of the real temperature during warming of the engine.
- Terminate the test and shut off the engine when the real temperature has reached approximately 60 °C.

Is the function correct?

NO - Checking the Sensor's Grounding - I

YES - Checking the Thermostat