Clock Switch Inspection

Clock switch 

1. Disconnect the negative battery cable.
2. Remove the clock switch. (See HAZARD WARNING SWITCH REMOVAL/INSTALLATION .)
3. Verify continuity and resistance between the clock switch terminals.
   • If the continuity and resistance is not as specified, replace the clock switch.
     Fig 1: Clock Switch Terminals Continuity Chart

     Courtesy of MAZDA MOTORS CORP.
     Fig 2: Identifying Clock Switch Terminals

     Courtesy of MAZDA MOTORS CORP.

   Between the terminal E-G resistance. 

   RESISTANCE SPECIFICATION
   
   

   Switch position	Resistance (Ohm)
   H	409-451
   M	713-787
   :00	0

4. Connect the positive battery to the clock switch terminal A, the negative battery to the clock switch terminal H.
5. Verify the LED illuminates.
   • If there is any malfunction, replace the clock switch.