Jumper wire
Caution

Voltmeter
is used by connecting the positive (+) probe (red lead wire) to the point where voltage will be measured and the negative (-) probe (black lead wire) to a body ground.

Ohmmeter
Caution

Connectors
Precautions before weldingMazda 6 Service Manual: Discharge headlight control unit removal/installation
Caution
Incorrect servicing of the discharge headlight control unit could
result in electrical shock. Before servicing the discharge headlight control
unit, always refer to the Discharge headlight service warnings. (See
DISCHARGE HEADLIGHT SERVICE WARNINGS)
When replacing the discharg ...
Mazda 6 Service Manual: Basic power window system inspection
Manual Mode Function Inspection
Automatic Mode Function Inspection
Automatic Window Return Function Inspection
IG OFF Timer Function Inspection
Two-step Down Function Inspection
The distance the door glass opens can be changed using the two-step down
function. (Approximately 20- ...