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: Fuel-filler lid and opener removal/installation
1. To remove the fuel-filler lid opener, remove the left side trunk side trim
(4SD) or trunk side lower trim (5HB).
2. To remove the fuel-filler lid opener cable, perform the following and turn
over the floor covering.
(1) Remove the driver-side front seat.
(2) Remove the driver-side fron ...
Mazda 6 Service Manual: Barometric pressure (baro) sensor inspection
Note
Perform the following inspection only when directed.
The following vacuum values are indicated by relative pressure
from the barometric pressure sensor.
1. Connect the SSTs (WDS or equivalent) to the DLC-2.
2. Turn the ignition switch to ON.
3. Select BARO on the SSTs (WDS or equi ...