1. Disconnect the negative battery cable.
2. Connect the SST
between the ABS (ABS/TCS) HU/CM and harness connector with the ignition switch off.
3. Attach the tester leads to the SST
and inspect voltage referring the table below.
Terminal Voltage Table (Reference)
(Engine is idling, and connector is connected unless otherwise indicated.)
*1 : With TCS
*2 : Use this terminal at factory only, not used for inspection and repair at field
Inspection Using An Oscilloscope (Reference)
Wheel speed
RR : A ( + ) - B ( - )
LR : C ( + ) - F ( - )
RF : D ( + ) - G ( - )
LF : E ( + ) - I ( - )
1 V/DIV (Y), 2 ms/DIV (X), AC range
Note
Vehicle speed output
1 V/DIV (Y), 5 ms/DIV (X), DC range
Note
Mazda 6 Service Manual: Blind Spot Monitoring (BSM) (Some models)
The Blind Spot Monitoring (BSM) is designed to assist the driver in checking
the area to the rear of the vehicle on both sides during lane changes by notifying
the driver of the presence of vehicles approaching from the rear in an adjacent
lane.
The Blind Spot Monitoring (BSM) detects vehicle ...
Mazda 6 Service Manual: Lane Departure Warning
If the system determines that the vehicle may deviate from its lane, the lane
departure warning (beep sound, rumble sound*1, or steering wheel vibration) is activated
and the direction in which the system determines that the vehicle may deviate is
indicated in the multi-information display and ...