Mazda CX-9 Grand Touring. Manual — part 178
FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION
1. When removing the right front ABS wheel-speed sensor, perform the following procedure.
1. Remove the coolant reserve tank installation bolts and move the coolant reserve tank. (See
COOLANT RESERVE TANK REMOVAL/INSTALLATION [MZI-3.7] .)
2. Remove the power steering reserve tank installation bolt and nut, and move the power steering
reserve tank. (See POWER STEERING OIL PUMP REMOVAL/INSTALLATION .)
2. When removing the left front ABS wheel-speed sensor, perform the following procedure:
1. Remove the air cleaner case. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION
[MZI-3.7] .)
3. Remove in the order indicated in the table.
Fig. 16: Identifying Front ABS Wheel Speed Sensor Connector, Front ABS Wheel Speed Sensor,
Bolt & Torque Specifications
Courtesy of MAZDA MOTORS CORP.
4. Install in the reverse order of removal.
Al
-
-
-
-
-
-
AJ
-
-
-
-
-
-
AK
Power supply
(ABS motor
operation)
Battery
Voltage
Under any
condition
B+
Wiring harness
(AK- battery)
AL
Power supply
(solenoid
operation)
Battery
Voltage
Under any
condition
B+
Wiring harness
(AL- battery)
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 16
© 2005 Mitchell Repair Information Company, LLC.
FRONT ABS WHEEL-SPEED SENSOR INSPECTION
INSTALLATION VISUAL INSPECTION
1. Inspect the following items:
If there is any malfunction, replace the applicable part.
1. Excessive play of the ABS wheel-speed sensor
2. Deformation of the ABS wheel-speed sensor
3. Deformation or damage of the ABS sensor rotor
CLEARANCE INSPECTION
1. Verify the clearance between the ABS sensor rotor and the ABS wheel-speed sensor.
If there is any malfunction, check for improper installation, and replace if necessary.
Clearance
0.7-1.5 mm {0.028-0.059 in}
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 17
© 2005 Mitchell Repair Information Company, LLC.
Fig. 17: Identifying Clearance Between ABS Sensor Rotor & ABS Wheel-Speed Sensor
Courtesy of MAZDA MOTORS CORP.
SENSOR OUTPUT VALUE INSPECTION
1. Turn the ignition switch off.
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 18
© 2005 Mitchell Repair Information Company, LLC.
2. Connect the M-MDS to the DLC-2.
3. 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. 18: Connecting M-MDS To DLC-2
Courtesy of MAZDA MOTORS CORP.
4. Select the following PIDs using the M-MDS:
WSPD_LF
(LF ABS wheel-speed sensor)
WSPD_RF
(RF 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 front ABS wheel-speed sensor.
REAR ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION [2WD]
1. Remove the trunk box. (See TRUNK BOX REMOVAL/INSTALLATION .)
2. Remove the seat side box. (See SEAT SIDE BOX REMOVAL/INSTALLATION .)
3. Remove the third-row seat. (See THIRD-ROW SEAT REMOVAL/INSTALLATION .)
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 19
© 2005 Mitchell Repair Information Company, LLC.
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