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