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DTC P0113 - INTAKE AIR TEMPERATURE (IAT) SENSOR HIGH VOLTAGE INPUT Honda Prelude V

Testing & Diagnostics ~186 words
  1. Turn ignition on. Using OBD-II scan tool, check IAT sensor. If -4°F (-20°C) or less is indicated, go to next step. If -4°F (-20°C) or less is not indicated, problem is intermittent. Check for poor connections or loose wires between IAT sensor connector and PCM connector. See «WIRING DIAGRAMS»(ref-16355) article.
  2. Disconnect IAT 2-pin connector. Connect a fused jumper wire between IAT sensor connector terminals. Using OBD-II scan tool, check intake air temperature. If -4°F (-20°C) or less is indicated, go to next step. If -4°F (-20°C) or less is not indicated, replace IAT sensor.
  3. Turn ignition off. Connect a fused jumper wire between PCM 16-pin connector "D" terminal D8 (Red/Yellow wire) and terminal D11 (Green/Black wire). (Схема №4) Turn ignition on. Using OBD-II scan tool, check intake air temperature. If -4°F (-20°C) or less is not indicated, repair open in wiring between IAT sensor and PCM 16-pin connector "D". See «WIRING DIAGRAMS»(ref-16355) article. If -4°F (-20°C) or less is indicated, substitute a known-good PCM and recheck. If symptom or indication goes away, replace original PCM.

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