Testing If Display Approx. 140.0°C
-- Disconnect the Engine Coolant Temperature (ECT) Sensor - G62 or 83- electrical harness connector.
-- Turn the ignition switch On.
If indication jumps to approx. - 40.0 °C:
-- Switch ignition Off.
-- Replace the Engine Coolant Temperature (ECT) Sensor - G62 or 83- Refer to the Repair Information.
If the value remains at approx. 140.0 °C