1. Connect the SSTs to the brake pipes as shown in the figure.

2. Bleed the air from the brake system.
3. Measure the fluid pressure of the master cylinder and the rear brake.

Fluid pressure

Power brake unit inspection
Dual proportioning valve replacement (without abs)Mazda 6 Service Manual: Gear Shift Indicator (GSI)
The Gear Shift Indicator (GSI) supports you to obtain optimum fuel economy and
smooth driving. It displays the selected gear position in the instrument cluster
as well as notifies the driver to change to the most suitable gear position corresponding
to the actual driving condition.
CAUTIO ...
Mazda 6 Service Manual: Bonnet switch inspection
Note
Bonnet switch has a built-in bonnet lock.
1. Open the bonnet.
2. Disconnect the negative battery cable.
3. Remove the radiator grille.
4. Disconnect the bonnet switch connector.
5. Check the continuity between the bonnet switch terminals A and B using an
ohmmeter.
If there is ...