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Mazda CX-9 Grand Touring. Manual - part 180

3. Select "DataLogger".

Fig. 24: Connecting M-MDS To DLC-2
Courtesy of MAZDA MOTORS CORP.

4. Select the following PIDs using the M-MDS:



WSPD_LR

(LR ABS wheel-speed sensor)



WSPD_RR

(RR ABS wheel-speed sensor)

5. Start the engine and drive the vehicle.

6. Verify that the display of the M-MDS shows the same value as the speedometer.



If there is any malfunction, replace the rear ABS wheel-speed sensor.

COMBINED SENSOR REMOVAL/INSTALLATION

1. Remove the second-row seat (RH). (See SECOND-ROW SEAT REMOVAL/INSTALLATION .)

2. Remove the edge cover. (See LONG SLIDER REMOVAL/INSTALLATION .)

WARNING:



If the DSC/RSC sensor initialization procedure is not completed, it
could result in an unexpected accident due to the DSC/RSC being
inoperative. Therefore, after the combined sensor is replaced,
always perform the DSC/RSC sensor initialization procedure to
ensure proper DSC/RSC operation.

CAUTION:



The 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.

2008 Mazda CX-9 Grand Touring

2008 BRAKES Dynamic Stability Control/Roll Stability Control - Mazda CX-9

Microsoft

Sunday, November 15, 2009 9:40:24 AM

Page 24

3. Remove the long slider cover. (See LONG SLIDER REMOVAL/INSTALLATION .)

4. Separate the floor carpet at the area shown in the figure.

5. Partially peel back the floor carpet from where it is separated as shown in the figure.

6. Remove the rear heat duct No.4.

7. Remove in the order indicated in the table.

8. Install in the reverse order of removal.

9. After installation, perform the DSC/RSC sensor initialization procedure. (See DSC/RSC SENSOR

INITIALIZATION PROCEDURE.)

Fig. 26: Identifying Rear Heat Duct No.4 & Floor Covering
Courtesy of MAZDA MOTORS CORP.

CAUTION:



When separating the floor carpet, the wiring harnesses under
the floor carpet could be damaged. Separate the floor carpet
while lifting it so as not to damage the wiring harnesses.

Fig. 25: Identifying Rear Heat Duct No.4 & Cutting Line
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 BRAKES Dynamic Stability Control/Roll Stability Control - Mazda CX-9

Microsoft

Sunday, November 15, 2009 9:40:24 AM

Page 25

Fig. 27: Identifying Combined Sensor Cover, Combined Sensor Connector, Combined Sensor, Combined
Sensor Bracket & Torque Specifications
Courtesy of MAZDA MOTORS CORP.

COMBINED SENSOR INSPECTION

1. Turn the ignition switch off.

2. Remove the combined sensor installation nut.

3. Connect the M-MDS to the DLC-2.

4. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.



When using the IDS (laptop PC)

1. Select "DataLogger".

2. Select "Modules".

3. Select "ABS".



When using the PDS (Pocket PC)

1. Select "Module Tests".

2. Select "ABS".

3. Select "DataLogger".

Fig. 28: Connecting M-MDS To DLC-2
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 BRAKES Dynamic Stability Control/Roll Stability Control - Mazda CX-9

Microsoft

Sunday, November 15, 2009 9:40:24 AM

Page 26

5. Select the following PIDs, then inspect the lateral acceleration speed, longitudinal acceleration speed, roll

rate and yaw rate.



LAT_ACCL: (lateral acceleration speed)



ACCLMTR: (longitudinal acceleration speed)



YAW_RATE: (yaw rate)



ROLL_RATE (roll rate)

1. Lateral acceleration speed inspection

1. 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.

Fig. 29: Tilting Sensor Right & Left
Courtesy of MAZDA MOTORS CORP.

2. Longitudinal acceleration speed inspection

1. Verify the ACCLMTR change when the combined sensor is moved forward and backward.



If there is any malfunction, replace the combined sensor.

Standard

When the sensor is tilted to forward (A):

ACCLMTR changes negatively.

2008 Mazda CX-9 Grand Touring

2008 BRAKES Dynamic Stability Control/Roll Stability Control - Mazda CX-9

Microsoft

Sunday, November 15, 2009 9:40:24 AM

Page 27

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