Caution
1. Configurate the ABS (ABS/TCS) HU/CM (when only replacing it). (See ABS (ABS/TCS) or DSC HU/CM CONFIGURATION.)
2. Remove the battery, battery tray and battery tray bracket. (See BATTERY REMOVAL/INSTALLATION.)
3. Remove the under cover.
4. Remove in the order indicated in the table.
5. Install in the reverse order of removal.
Connector Removal Note
1. Pull the lock lever up and make it unlock.
2. Remove the connector.
ABS HU/CM Removal/Installation Note
When removing/installing the ABS HU/CM from/to the vehicle, attach a strip of protective tape on the ABS HU/CM connector to prevent brake fluid from entering.
Connector Installation Note
Verify that the lock lever of the harness connector is completely pulled up.
Mazda 6 Service Manual: Dual proportioning valve inspection (without abs)
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.
If not within the specification, replace the dual proportioning valve.
Fluid pressure
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Mazda 6 Service Manual: Instrument cluster removal/installation
Caution
When replacing the instrument cluster, the configuration procedure must be
performed before removing the instrument cluster. If the configuration procedure
is not performed before removing the instrument cluster, it is possible that the
instrument cluster will not operate normally. ...