Torque down inhibition

ABS HU/CM terminal: L (+) - AA (-)
Oscilloscope setting: 1 V/DIV (Y), 10 ms/DIV (X)
Vehicle condition: Idle after warm-up (Engine speed at approximately 650 rpm)

Fig 1: Inspecting With Using Oscilloscope (Torque Down Inhibition)
Courtesy of MAZDA MOTORS CORP.