Commander knob (rotation)

WARNING: This page is about a different car, the 2014 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Connect the commander switch connector.
Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.5] .)
The ignition is switched to ACC or ON (engine off).
When the commander knob is rotated once step at a time, verify that the voltage between terminals and the waveforms are as indicated in the table.

Fig 1: Commander Knob Graph
Courtesy of MAZDA MOTORS CORP.
- If the voltage is not as indicated in the table, verify the related wiring harness.
- If the related wiring harness is normal, replace the commander switch.