High-tension lead removal/installation
Starter removal/installationMazda 6 Service Manual: If a Warning Light Turns On or Flashes
   If any warning light turns on/flashes, take appropriate action for each light. 
There is no problem if the light turns off, however if the light does not turn off 
or turns on/flashes again, consult an Authorized Mazda Dealer.
The warning contents can be verified on the center display.
1. If the ...
   
Mazda 6 Service Manual: Flasher unit inspection
   1. Connect the connector to the flasher unit.
2. Connect the negative battery cable.
3. Measure the voltage at the flasher unit using voltmeter.
    When inspecting terminal F for continuity, disconnect the flasher unit  	connector.
4. If the value are not as specified in the Terminal Voltag ...