Removal and installation
Remove the air temperature sensor behind the evaporator (see section "Air conditioning unit").
Examination
1. Disconnect a wire from the negative plug of the storage battery.
2. Remove the air conditioning unit.
3. Remove the air temperature sensor behind the evaporator.
4. Connect a wire to the negative plug of the storage battery.
5. Connect a socket to the gauge of temperature of a cooling liquid.
6. Turn the ignition switch to the "ON".
7. Turn on the air conditioner.
8. Turn on the heater fan.
9. Place the sensing part of the sensor in a cold water tank.
10. Check the operation of the electromagnetic clutch according to the table.
If the operation is not as described, replace the downstream evaporator air temperature sensor.