Ignition "OFF", Turn Engine "OFF".
Disconnect MAFS connector(C213).
Check if power supply voltage of MAFS connector terminal 1 is within the specification
Connect MAFS connector.
Measure the voltage of terminal 1 of RPS sensor connector with MAFS connected.
Specification : 4.8~5.1V
Is the change of power supply voltage of MAFS detected at connecting MAFS connector?
YES
Replace MAFS ASSY and go to "Verification of Vehicle Repair"
NO
"Go to "Verification of Vehicle Repair"