APV motor control (-)

WARNING: This page is about a different car, the 2005 Mazda RX-8 and 2004 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

Terminal connected: 3J (+)-Negative battery terminal
Oscilloscope setting: 5 V/DIV (Y): 20 ms/DIV (X), DC range
Measurement condition: Within 20 s from 2 s after the accelerator is released from the engine speed at 6, 250 rpm or more after warm-up.

Fig 1: Identifying APV Motor Control (-) Graph
Courtesy of MAZDA MOTORS CORP.