Checking Temperature
Checking Temperature
^ Read value: Coolant Temperature (Trionic).
^ Check the temperature of the cylinder head with an external temperature gauge.
^ Check that the value on the diagnostics tool is within 10 °C of measured temperature with warm and cold engine.
^ The reading must also be stable and not fluctuating a number of degrees.
Is the function correct?
NO ^ Fault Not Rectified
YES ^ Remedial Action OK