FixVault
Home
›
Mazda
›
2012
›
CX-7 i Touring, 2.5L Eng VIN 5
›
Repair and Diagnosis
›
Engine Performance
›
Engine Control Systems
›
Engine Control System [2.5L L5]
›
Pcm Inspection
›
Inspection Using An Oscilloscope (Reference)
›
Generator field coil control
Generator field coil control
Fig 1: Generator Field Coil Control Voltage Graph
PCM terminals
2AA(+)-body ground(-)
Oscilloscope setting
0.5 V/DIV (Y), 2 ms/DIV (X), DC range
Vehicle condition
Idle after warm up