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: Abs (abs/tcs) hu/cm inspection
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 co ...
Mazda 6 Service Manual: Evaporator temperature sensor inspection
1. Turn the AUTO switch on.
2. Set the temperature control at MAX COLD (Turn the left).
3. Turn the A/C switch.
4. Set the RECIRCULATE mode.
5. Close all doors and windows.
6. Wait for 5 minutes.
7. Remove the glove compartment.
8. Disconnect the evaporator temperature sensor.
9. Measure t ...