Mazda 3 manuals

Mazda 3 Service Manual: ABS HU/CM Removal/Installation

WARNING:

CAUTION:

NOTE:

1. Remove the battery and battery tray..

2. Remove in the order indicated in the table.

3. Install in the reverse order of removal.

4. Switch the ignition to ON or start the engine, and maintain this condition for approx. 30 s

to allow the ABS HU/CM automatic configuration to be performed.

5. Clear the DTCs from the memory..



1

Connector

(See Connector Removal Note.)

(See Connector Installation Note.)

2

Brake pipe

(See Brake Pipe Removal Note.)

(See Brake Pipe Installation Note.)

3

Bolt

4

ABS HU/CM component, bracket

(See ABS HU/CM Component, Bracket Removal Note.)

5

Bracket

6

ABS CM

7

ABS HU


Connector Removal Note

1. Pull the connector cover up in the direction of the arrow while pressing the tab of the connector cover.


2. Pull the connector toward the vehicle front and remove it.

Brake Pipe Removal Note

1. Place an alignment mark on the brake pipe and ABS HU/CM.


2. Apply protective tape to the connector to prevent brake fluid from entering.

3. Disconnect the brake pipe.

ABS HU/CM Component, Bracket Removal Note

1. As shown in the figure, move the bracket in the direction of the arrow and remove the ABS HU/CM component and bracket from the body.


Brake Pipe Installation Note

1. Align the marks made before removal and install the brake pipe to the ABS HU/CM referring to the figure.


Connector Installation Note

1. After connecting the connector, verify that the connector cover is completely pushed in.


ABS HU/CM Inspection
1. Disconnect the ABS HU/CM connector.. 2. Connect the negative battery cable.. 3. Attach the tester lead to the ABS HU/CM wiring harness-side connector and inspect the voltage, continuity, or r ...

Front ABS Wheel Speed Sensor Inspection
Sensor Output Value Inspection CAUTION: Resistance inspection using other testers may cause damage to the ABS wheel-speed sensor internal circuit. Be sure to use the M-MDS to inspect the A ...

Other materials:

Rear ABS Wheel Speed Sensor Inspection
Installation Visual Inspection 1. Inspect for the following: If there is any malfunction, replace the part. a. Excessive looseness or play of the rear ABS wheel-speed sensor b. Deformation of the rear ABS wheel-speed sensor c. Deformation or damage of the rear ABS sensor rotor C ...

Entertainment System
Outline Auxiliary jack/USB port has been adopted. USB adapter has been adopted. An audio unit which supports USB devices such as USB memory or iPods has been adopted. 911 assist function has been added to the Bluetooth unit. RDS-TMC (Radio Data System-Traffi ...

Sunlight/Temperature Sensor
The climate control system measures inside and outside temperatures, and sunlight. It then sets temperatures inside the passenger compartment accordingly. CAUTION Do not obstruct either sensor, otherwise the climate control system will not operate properly. ...

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