DTC P0112: IAT Sensor Input Low: Condition

PCM monitors input voltage at PCM terminal No. 39. If voltage is less than .2 volt, DTC is set. Causes may include the following:

• Faulty IAT sensor.
• Short circuit in Violet wire between MAF/IAT sensor harness connector terminal "F" and PCM harness connector terminal No. 39.
• Short in harness between IAT signal (Violet wire) and IAT ground (Brown/Yellow wire).
• PCM malfunction.