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
Abs (abs/tcs) or dsc hu/cm configuration
Tcs (dsc) off switch removal/installationMazda 6 Service Manual: Picture Quality Adjustment
WARNING
Always adjust the picture quality of the rear view monitor while the vehicle
is stopped: Do not adjust the picture quality of the rear view monitor while
driving the vehicle. Adjusting the picture quality of the rear view monitor such
as brightness, contrast, color, and tint while dri ...
Mazda 6 Service Manual: Vehicle speedometer sensor (vss) removal/installation
Caution
Water or foreign objects entering the connector can cause a poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
If foreign materials are stuck to the VSS, disturbance by magnetic
flux can cause sensor output to be ...