DTC P0103: MAF Sensor Input Low: Condition
PCM monitors input signal of MAF sensor at terminal No. 88 when ignition is turned on. If PCM input voltage is more than 4.8 volts, DTC is set. Causes may include the following:
- Faulty MAF/IAT sensor.
- Open or short to power in Green/Yellow wire between MAF/IAT sensor harness connector terminal "D" and PCM harness connector terminal No. 36.
- Poor connection at MAF/IAT sensor connector or PCM connector terminal No. 88.
- PCM malfunction.