P0070
Ambient Air Temperature Sensor Malfunction
Climate ControlMINOR
Описание
Ambient Air Temperature Sensor (G17), Malfunction
Частые симптомы
- Incorrect outside temperature display
- Possible climate control issues
- Check Engine Light
- Erratic automatic climate behavior
- Incorrect temperature-related engine adjustments
Возможные причины
- Failed ambient air temperature sensor
- Open or short in sensor circuit
- Corroded sensor connectors
- Sensor mounting or location issues
- ECU temperature processing fault
Диагностика
- 1. Check ambient temperature sensor readings
- 2. Test sensor circuit continuity
- 3. Measure sensor resistance at known temperatures
- 4. Inspect sensor mounting and location
- 5. Verify ECU temperature processing
Решения по ремонту
- Replace faulty ambient temperature sensor
- Repair sensor wiring circuit
- Clean corroded connectors
- Relocate or remount sensor if needed
- Replace ECU if temperature processing faulty
Профилактика
- Protect ambient sensor from road debris
- Regular climate system checks
- Address temperature display issues promptly