* Question
| What is the sensor detection method for the Toyota Ml匕 car air conditioning system? |
* Answer
| 1 Detection method of coolant temperature sensor The coolant temperature sensor and thermometer are placed in a beaker containing water and heated by an electric heater.Place the multimeter in an electrical barrier, connect the two test leads to the two terminals of the coolant temperature sensor, and view the meter readings.Indicates that the coolant temperature sensor is faulty and should be replaced with a new one.
2 Detection method of evaporator temperature sensor Disconnect the ignition switch, unplug the evaporator temperature sensor harness connector, and remove the evaporator temperature sensor from the evaporator.The relationship between the resistance value and the temperature change is as follows: when the temperature is 1 ° C, the resistance value is 4.7-5.4 kQ: when the temperature is 0 ° C, the resistance value is 4.5 to 5.2 kQ.When the temperature is l °C, the resistance value is 4.3~4.9 kQ: when the temperature is 2 °C, the resistance value is 4~4.7 kQ: When the temperature is 3 °C, |
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