1. Remove the battery and battery bracket.
2. Disconnect the DSC HU/CM connector.
3. Connect the SST
(49 G066 004) to the DSC HU/CM connector and harness side connector.
4. Inspect voltage referring the table below.
Terminal Voltage Table (reference value)
(Ignition switch is at ON, and connector is connected unless indicated otherwise.)
* : Used for vehicle manufacturing, not used for DSC.
Inspection Using An Oscilloscope (Reference)
Steering angle (steering angle signal 1 and 2)
Steering angle signal 2 : W ( + ) - R ( - )
Steering angle signal 1 : X ( + ) - R ( - )
1 V/DIV (Y), 25 ms/DIV (X), DC range
Note
Wheel speed
RF : M ( + ) - I ( - )
RR : K ( + ) - H ( - )
LF : F ( + ) - J ( - )
LR : Q ( + ) - N ( - )
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: Front combination light removal/installation
Caution
Incorrect servicing of the discharge headlights could result in
electrical shock. Before servicing the discharge headlights, always refer to
the Discharge headlight service warnings. (See DISCHARGE HEADLIGHT
SERVICE WARNINGS)
Note
When the ignition switch is turned to ON, ...
Mazda 6 Service Manual: Electrical troubleshooting tools
Jumper wire
A jumper wire is used to create a temporary circuit. Connect the jumper
wire between the terminals of a circuit to bypass a switch.
Caution
Do not connect a jumper wire from the power source line to a body
ground. This may cause burning or other damage to wiring harnesse ...