200 Quattro Wagon L5-2226cc 2.22L SOHC Turbo (MC) (1989)
Coolant Temperature Sensor / Switch HVAC: Testing and Inspection
Engine Temperature Sensor
Use Chart 3 to determine calculated engine coolant temperature.
Example: If Channel 6 displays a code of 187 on Control head, calculated temperature according to Chart 3 is 77°F (25°C).
Note: The Engine temperature sensor is not equipped on all models (to be phased in). For vehicles without coolant temperature sensor (-G62-), view
A/C control head. Channel 6 will display a code of 255 for open circuit.
Engine Coolant Temperature Sensor, Chart 1 Of 3
Chart 1 of 3