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Dynamic Stability Control: Removal & Installation Mazda CX-7 I

Anti-Lock/traction Control 13 illustrations ~510 words

DSC HU/CM REMOVAL/INSTALLATION

CAUTIONThe DSC may not function normally when the DSC HU/CM is replaced. After installation, always perform the initialization procedures for the DSC HU/CM, combined sensor and the steering angle sensor. (See COMBINED SENSOR INITIALIZATION PROCEDURE .) (See STEERING ANGLE SENSOR INITIALIZATION PROCEDURE ). The internal parts of the DSC HU/CM could be damaged if dropped. Be careful not to drop the DSC HU/CM. Replace the DSC HU/CM if it is subjected to an impact.

Scheme 29

Scheme 29
Scheme 29

Scheme 30

Scheme 30
Scheme 30
  1. Remove the battery and battery tray. (See «BATTERY REMOVAL/INSTALLATION[L3 WITH TC]»(ref-268969-S02639540282007102700000) ).
  2. Remove the battery tray bracket as shown in the figure.
  3. Remove in the order indicated in the figure.
  4. Install in the reverse order of removal.
  5. After installation, add brake fluid, bleed the air, and inspect for fluid leakage. (See «AIR BLEEDING»(ref-269000-S23674908692007102700000) ).
  6. After installation, perform the combined sensor initialization procedure. (See «COMBINED SENSOR INITIALIZATION PROCEDURE»(ref-269002-S20011698802007102700000) .)
  7. After installation, perform the steering angle sensor initialization procedure. (See «STEERING ANGLE SENSOR INITIALIZATION PROCEDURE»(ref-269056-S25954096642007102700000) ).

Scheme 31

Scheme 31: DSC HU/CM Connector Removal Note
Scheme 31: DSC HU/CM Connector Removal Note
  1. Pull the lock lever up in the direction of the arrow.
  2. Pull the connector toward the vehicle rear and remove it.

Scheme 32

Scheme 32: Brake Pipe Removal Note
Scheme 32: Brake Pipe Removal Note
  1. Place an alignment mark on the brake pipe and DSC HU/CM.
  2. Apply protective tape to the connector to prevent brake fluid from entering.
  3. Remove the brake pipe.

Scheme 33

Scheme 33: DSC HU/CM Installation Note
Scheme 33: DSC HU/CM Installation Note
  1. Install the rubber mount on DSC HU/CM section A to the bracket as shown in the figure.
  2. Install DSC HU/CM section B to the bracket.
  3. Install the nuts to DSC HU/CM section A and tighten them.

Scheme 34

Scheme 34: Brake Pipe Installation Note
Scheme 34: Brake Pipe Installation Note
  1. Align the marks made before removal and install the brake pipe to the DSC HU/CM and brake pipe joint referring to the figure.
  2. Tighten the brake pipe to the specified torque using the SST (49 0259 770B) and the commercially available flare nut wrench.

Scheme 35

Scheme 35: DSC HU/CM Connector Installation Note
Scheme 35: DSC HU/CM Connector Installation Note
  1. After connecting the connector, verify that the lock lever is completely pushed in.

COMBINED SENSOR REMOVAL/INSTALLATION

CAUTIONThe internal parts of the combined sensor could be damaged if dropped. Be careful not to drop the combined sensor. Replace the combined sensor if it is subjected to an impact. Also, do not use an impact wrench or other similar air tools when removing/installing the sensor.

Scheme 36

Scheme 36
Scheme 36
  1. Remove the console panel. (See «CONSOLE PANEL REMOVAL/INSTALLATION»(ref-269050-S29358925182007102700000) ).
  2. Remove the console. (See «CONSOLE REMOVAL/INSTALLATION»(ref-269050-S01041673842007102700000) ).
  3. Remove in the order indicated in the figure.
  4. Install in the reverse order of removal.
  5. After installation, perform the combined sensor initialization procedure. (See «COMBINED SENSOR INITIALIZATION PROCEDURE»(ref-269002-S20011698802007102700000) .)

Scheme 37

Scheme 37: COMBINED SENSOR INSPECTION
Scheme 37: COMBINED SENSOR INSPECTION

Scheme 38

Scheme 38
Scheme 38

Scheme 39

Scheme 39
Scheme 39
  1. Turn the ignition switch off.
  2. Connect the M-MDS to the DLC-2.
  3. Select the following PIDs, then inspect the lateral acceleration speed and the yaw rate. LAT_ACCL: (lateral acceleration speed) YAW_RATE: (yaw rate) Lateral acceleration speed inspection Verify the LAT_ACCL change when the combined sensor is tilted to the left and right. If there is any malfunction, replace the combined sensor. Standard When the sensor is tilted to the right (A): LAT_ACCL changes negatively. When the sensor is tilted to the left (B): LAT_ACCL changes positively. Yaw rate inspection Verify the YAW_RATE change when the combined sensor is rotated to the left and right. If there is any malfunction, replace the combined sensor. Standard When the sensor is rotated to the right (A): YAW_RATE changes negatively. When the sensor is rotated to the left (B): YAW_RATE changes positively.

Switch Bezel Component Removal Note

  1. Access the switch bezel component from behind of the dashboard, and squeeze the tabs of the switch bezel component.
  2. Remove the switch bezel component from the dashboard.

Scheme 40

Scheme 40: TCS OFF SWITCH INSPECTION
Scheme 40: TCS OFF SWITCH INSPECTION

Scheme 41

Scheme 41
Scheme 41
  1. Remove the TCS OFF switch. (See «TCS OFF SWITCH REMOVAL/INSTALLATION»(ref-269002-S22710768782007102700000) .)
  2. Verify that the continuity is as indicated in the figure. If not as indicated in the figure, replace the TCS OFF switch.

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