On-Vehicle Inspection
1. Inspect the power supply circuit for the VSS.
a. Remove the insulator from the transaxle.
b. Disconnect the VSS connector.
c. Switch the ignition to ON (engine off).
d. Measure the voltage at VSS connector terminal A (harness-side).
If there is any malfunction, repair wiring harness between VSS and AT main relay.
B+
e. Switch the ignition to off.
f. Connect the VSS connector.
2. Inspect the GND circuit for the VSS.
a. Switch the ignition to off.
b. Measure the voltage at VSS connector terminal C (harness-side).
If there is any malfunction, repair wiring harness between VSS and GND.
Below 1.0 V
3. Inspect the signal circuit for the VSS.
a. Connect the oscilloscope to the following TCM connector terminals and set it as below.
(+) lead: TCM terminal Z
(-) lead: battery negative terminal
Oscilloscope setting: 1 V/DIV (Y), 2 ms/DIV (X), DC range
b. Start the engine.
c. Measure the wave form when the following conditions are met.
Gear position: 3GR
Vehicle speed: 30 km/h {19 mph}
If there is any malfunction, replace the VSS..
Settings
NOTE
Depending on the grade and specification, the screen display may differ.
Select the icon on the home
screen and display the Settings screen.
Switch the tab and select the setting item you want to change.
You can customize settings in the setup display as follows:
Tab
...
Mazda Radar Cruise Control
(MRCC)
The Mazda Radar Cruise Control (MRCC) system is designed to maintain headway
control *1
according to the vehicle speed using a radar sensor (front) to detect the
distance to a vehicle
ahead, and by presetting the vehicle speed between 30 km/h (19 mph) and 145 km/h
(90
mph), the driver is fr ...
Outside the United States/
Canada
Government regulations in the United States/Canada require that automobiles
meet specific
emission regulations and safety standards. Therefore, vehicles built for use in
the United
States/Canada may differ from those sold in other countries.
The differences may make it difficult or even imp ...