DTC B1B71-11: B1B71-13: Evaporator Temperature Sensor Circuit: Notes
WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
| System malfunction location |
- B1B71:11: Evaporator temperature sensor circuit short to ground
- B1B71:13: Evaporator temperature sensor circuit open
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| Detection condition |
- Malfunction in wiring harness between evaporator temperature sensor and climate control unit
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| Fail-safe |
- A/C output OFF is controlled when the evaporator temperature sensor input value is at 0 °C {32 °F}.
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| Possible cause |
- Connector or terminal malfunction
- Evaporator temperature sensor malfunction
- Open circuit in wiring harness between climate control unit and evaporator temperature sensor
- Short to ground in wiring harness between climate control unit and evaporator temperature sensor
- Climate control unit malfunction
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