DTC P0113: Intake Air Temperature (IAT) Sensor Circuit, High Input: Condition

WARNING: This page is about a different car, the 2002 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

DTC is set when IAT sensor output voltage is more than 5 volts for 5 seconds. MIL is illuminated when ECM (PCM) detects malfunction during 2 consecutive drive cycles. Possible causes are:

IAT sensor malfunction.
ECM (PCM) malfunction.