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Home >> Suzuki >> 2003 >> Aerio S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P0103: Mass Airflow Sensor Circuit - High Frequency >> Test Description
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Test Description

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

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 2

    This step verifies problem is present at idle.

  2. 4

    A frequency reading with the MAF sensor harness connector disconnected, indicates electromagnetic interference related fault.

  3. 8

    This vehicle is equipped with a Electrically Erasable Programmable Read Only Memory (EEPROM) located in the PCM. Whenever PCM is replaced, replacement PCM must be programmed.

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