Mazda RX-8 Workshop Manual page 2677

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2011 - RX-8 - HVAC
EVAPORATOR TEMPERATURE SENSOR INSPECTION [MANUAL AIR
CONDITIONER]
NOTE:
Inspect the evaporator temperature sensor when it is installed to the A/C unit.
1. Set the fan switch to 4th speed.
2. Set the temperature control to MAX COLD.
3. Set the air intake mode to RECIRCULATE.
4. Turn the A/C switch off.
5. Close all of the doors and roll up all the windows.
6. Wait for 5 min.
7. Disconnect the evaporator temperature sensor connector.
8. Measure the temperature at the air intake.
9. Measure the resistance between evaporator temperature sensor terminals.
If the characteristics of the evaporator temperature sensor are not as shown in
the graph, replace the evaporator temperature sensor.