Operating Inspection
1. Turn the ignition switch to ON (engine OFF).
2. Verify that the HOLD indicator light is not illuminated. Depress the HOLD switch and verify that the HOLD indicator light illuminates.
Voltage Inspection
1. Remove the console.
2. Turn the ignition switch to ON (engine OFF).
3. Measure the voltage at the HOLD switch connector.


Continuity Inspection of
1. Disconnect the negative battery cable.
2. Remove the console.
3. Disconnect the HOLD switch connector.
4. Inspect continuity at the HOLD switch.

5. Connect the HOLD switch connector.
6. Install the console.
7. Connect the negative battery cable.
Automatic transaxle fluid (atf) replacement
Hold switch removal/installationMazda 6 Service Manual: Intermittent concern troubleshooting
Vibration Method
1. If malfunction occurs or becomes worse while driving on a rough road or
when engine is vibrating, perform the steps below.
Note
There are several reasons vehicle or engine vibration could cause
an electrical malfunction. Some of the things to check for are:
...
Mazda 6 Service Manual: Replacing Exterior Light Bulbs
Headlights (With LED headlights)
Low/High beam bulbs
The LED bulb cannot be replaced as a single unit because it is an integrated
unit.
The LED bulb has to be replaced with the unit. We recommend an Authorized Mazda
Dealer when the replacement is necessary.
Headlights (With halogen headlight ...