DTC P0112 - Intake Air Temperature (IAT) Circuit Low Input
WARNING: This page is about a different car, the 1996 Suzuki Swift. However, it is still accessible from the selected car via links, so may be relevant.
- Connect scan tool to Data Link Connector (DLC). Turn ignition on. Observe intake air temperature displayed on scan tool. If display reads 246°F (119°C), go to next step. If display reading is not as specified, check for an intermittent problem. See the appropriate TESTS W/O CODES article.
- Turn ignition off. Disconnect IAT sensor harness connector located next to air cleaner housing. Turn ignition on. If display reading on scan tool changes to -40°F (-40°C), replace IAT sensor. If display reading is not as specified, check Gray wire for short to ground. If wire is okay, replace PCM. Retest system.