Component Inspection

Engine

Engine Control - P0102 Mass or Volume Air Flow Circuit Low Input - Component Inspection

Component Inspection

1. Visual Inspection
(1) Check that MAFS is damaged, contaminated or deformed.
(2) Has a problem been found?





2. Check MAFS
(1) IG "OFF" and install a scantool
(2) ENG "ON" and monitor "MAFS" data on the service data.
(3) Monitor signal waveform at terminal 1 of MAFS with scantool.
Specification : Signal waveform will be displayed as follows. (Be aware that the signal of MAFS is not voltage display but frequency display.)




Fig.1) Idle
Fig.2) Acceleration
(4) Are both service data and signalwave form dispayed correctly?