TCS Off Switch Inspection

Remove the TCS OFF switch. See TCS OFF SWITCH REMOVAL/INSTALLATION .
Verify that the continuity between the TCS OFF switch terminals is as indicated in the table.
- If not as indicated in the table, replace the TCS OFF switch.
  
  Fig 1: TCS OFF Switch Terminals Continuity Chart
  Courtesy of MAZDA MOTORS CORP.
Apply battery voltage to TCS OFF switch terminal E, and connect terminal A to ground.
Verify that the LED illuminates.
- If there is any malfunction, replace the TCS OFF switch.
  
  Fig 2: Inspecting TCS OFF Switch Terminals Continuity
  Courtesy of MAZDA MOTORS CORP.