P0114low severityPowertrain
IAT Sensor 1 Circuit Intermittent
on 2012 Toyota Highlander 3.5L V6 · AWD
What this code means
The IAT sensor signal is intermittent.
Symptoms
- Check Engine Light (intermittent)
- Erratic idle
Common causes
- Loose connector
- Damaged wiring
- Intermittent sensor failure
Diagnostic steps
- Wiggle test
- Monitor IAT signal
- Inspect connector
Repair notes
Repair connector or wiring.
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