Air Temperature Sensor (Recirculated Air)
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| Illustration 1 | g01586017 |
Partial electrical schematic (K) Connector (4) Air Temperature Sensor | |
Diagnostics
Disconnect connector (K) . Measure the resistance between the terminals of sensor (4) . If the resistance is approximately the values that are given in the following table, the sensor is good.
| Temperature | Resistance |
| 0 °C (32 °F) | 7.2 Ohms |
25 °C (77 °F) |
2.2 Ohms |
If the resistance is different, the sensor is bad. Replace the sensor.
Air Temperature Sensor (Ambient Air)
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| Illustration 2 | g01586033 |
Partial electrical schematic (L) Connector (5) Air Temperature sensor | |
Disconnect connector (L) . Measure the resistance between the terminals of sensor (5) . If the resistance is approximately the values that are given in the following table, the sensor is good.
| Temperature | Resistance |
0 °C (32 °F) |
11.7 Ohms |
25 °C (77 °F) |
4.0 Ohms |
If the resistance is different, the sensor is bad. Replace the sensor.
Water Temperature Sensor
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| Illustration 3 | g01586034 |
Partial electrical schematic (M) Connector (6) Water temperature sensor | |
Diagnostics
Disconnect connector (M) . Measure the resistance between the terminals of sensor (6) . If the resistance is approximately the values that are given in the following table, the sensor is good.
| Temperature | Resistance |
50 °C (122 °F) |
3.9 Ohms |
If the resistance is different, the sensor is bad. Replace the sensor.
Evaporator Sensor (Frost)
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| Illustration 4 | g01586039 |
Partial electrical schematic (Y) Connector (6) Evaporator sensor Frost | |
Diagnostics
Disconnect connector (Y) . Measure the resistance between the terminals of sensor (7) . If the resistance is approximately the values that are given in the following table, the sensor is good.
| Temperature | Resistance |
0 °C (32 °F) |
7.2 Ohms |
25 °C (77 °F) |
2.2 Ohms |