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Test Description

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

5

This step will determine if any mechanical faults have caused this DTC to set.

9

This step verifies the signal circuit from the MAF sensor electrical connector to the PCM. A voltage reading of less than 4 volts or more than 6 volts indicates a malfunction in the wiring or a poor connection.

10

This step tests the signal circuit of the MAF sensor for a short to another 5-volt reference circuit.

16

This step verifies that the signal circuit is not shorted to any other PCM circuit.