FixVault
Home
›
Mazda
›
2021
›
CX-9 Signature
›
Repair and Diagnosis
›
External Pages
›
Different car
›
Section 90 (Engine Control System)
›
Pcm Inspection
›
Without Using the M-MDS
›
Inspection Using An Oscilloscope (Reference)
›
Purge control
Purge control
WARNING:
This page is about a different car, the 2017 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Purge Control Signal Waveform
Courtesy of MAZDA MOTORS CORP.
PCM terminals
1AI(+)-body ground(-)
Oscilloscope setting
10 V/DIV (Y), 50 ms/DIV (X), DC range
Vehicle condition
Idle after warm up