Cruise Control Switch Inspection: Notes

Remove the battery cover.
Disconnect the negative battery cable.
Remove the driver-side air bag module. (See DRIVER-SIDE AIR BAG MODULE REMOVAL/INSTALLATION .)
Disconnect the audio control switch connector.
Inspect for resistance and continuity between cruise control switch terminals 5-6 using a tester.
- If not as specified, replace the cruise control switch. (See AUDIO CONTROL SWITCH REMOVAL/INSTALLATION .)
  
  Fig 1: Cruise Control Switch Resistance Table
  Courtesy of MAZDA MOTORS CORP.
  
  Fig 2: Cruise Control Switch Positions Circuit
  Courtesy of MAZDA MOTORS CORP.