Mazda CX-9 Grand Touring. Manual - part 177



When using the PDS (Pocket PC) 

1. Select "All Tests and Calibrations".  

4. Then, select items from the screen menu in the following order. 



Select "ABS Service Bleed"  

5. Perform the air bleeding according to the directions on the screen. 

Fig. 13: Connecting M-MDS To DLC-2 
Courtesy of MAZDA MOTORS CORP. 

DSC/RSC SENSOR INITIALIZATION PROCEDURE 

1. Inspect the wheel alignment and inflation pressure. 



If there is any malfunction, adjust the applicable part.  

2. Park the vehicle on level ground.  

3. Turn the ignition switch off.  

4. Connect the M-MDS to the DLC-2.  

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



When using the IDS (laptop PC) 

WARNING:



Unless the initialization procedure of the combined sensor is 
completed, the DSC/RSC will not operate, causing an unexpected 
accident. Therefore, always perform the initialization procedure to 
ensure DSC/RSC operation if the combined sensor and DSC/RSC 
HU/CM have been removed or replaced.  

 

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 12 

© 2005 Mitchell Repair Information Company, LLC. 

1. Select "Chassis".  

2. Select "ABS/DSC".  

3. Select "Sensor Initialization".  



When using the PDS (Pocket PC) 

1. Select "Module Test".  

2. Select "ABS".  

3. Select "Datalogger".  

4. Select "SSR_INTL".  

6. Perform the initialization according to the directions on the screen. 

Fig. 14: Connecting M-MDS To DLC-2 
Courtesy of MAZDA MOTORS CORP. 

DSC/RSC HU/CM INSPECTION 

1. Disconnect the DSC/RSC HU/CM connector. (See DSC/RSC HU/CM 

REMOVAL/INSTALLATION.)  

2. Connect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)  

3. Attach the tester lead to the DSC/RSC HU/CM harness side connector, then inspect voltage, continuity or 

resistance according to the standard (reference value) on the table.  

STANDARD (REFERENCE VALUE) 

 

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 13 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 15: Identifying DSC/RSC HU/CM Connector Terminal
Courtesy of MAZDA MOTORS CORP. 

CONNECTOR TERMINAL REFERENCE CHART 

Terminal Signal name

Connected 

to

Measured 

item

Measured 

terminal 

(measured 

condition)

Standard

Inspection item(s)

A

Ground 
(DSC/RSC 
system)

Ground point Continuity A-ground point

Continuity 

detected



Wiring harness 
(A- ground 
point)  

B

Ground (ABS 
motor)

Ground point Continuity B-ground point

Continuity 

detected



Wiring harness 
(B- ground 
point)  

C

-

-

-

-

-

-

D

-

-

-

-

-

-

E

-

-

-

-

-

-

F

LR wheel-
speed sensor 
(power supply)

LR ABS 
wheel-speed 
sensor

Continuity

F-LR ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



Wiring harness 
(F-LR ABS 
wheel-speed 
sensor connector 
terminal B)  

G

RR wheel-
speed sensor 
(power supply)

RR ABS 
wheel-speed 
sensor

Continuity

G-RR ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



Wiring harness 
(G-RR ABS 
wheel-speed 
sensor connector 
terminal B)  

H

-

-

-

-

-

-

I

LR wheel-
speed sensor 
(signal)

LR ABS 
wheel-speed 
sensor

Continuity

I-LR ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



Wiring harness 
(I-LR ABS 
wheel-speed 
sensor connector 
terminal A)  

J

RR wheel-
speed sensor 
(signal)

RR ABS 
wheel-speed 
sensor

Continuity

J-RR ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



Wiring harness 
(J-RR ABS 
wheel-speed 
sensor connector 
terminal A)  

K

-

-

-

-

-

-

L

-

-

-

-

-

-

M

CAN2_L

-

Inspect under DTC inspection

-

N

-

-

-

-

-

-

O

-

-

-

-

-

-

 

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 14 

© 2005 Mitchell Repair Information Company, LLC. 

P

CAN2_H

-

Inspect under DTC inspection

-

Q

-

-

-

-

-

-

R

-

-

-

-

-

-

S

-

-

-

-

-

-

T

-

-

-

-

-

-

U

TCS OFF 
switch

TCS OFF 
switch

Continuity

U-TCS OFF 
switch 
connector 
terminal A

Continuity 

detected



Wiring harness 
(U- TCS OFF 
switch connector 
terminal A)  

V

HS_CAN_L

-

Inspect under DTC inspection

-

W

-

-

-

-

-

-

X

Power supply 
(system)

Ignition 
switch

Voltage

Ignition switch 
at ON

B+



Wiring harness 
(X- ignition 
switch)  

Ignition switch 
is off.

1 V or less

-

Y

HS_CAN_H

-

Inspect under DTC inspection

-

Z

-

-

-

-

-

-

AA

-

-

-

-

-

-

AB

RF wheel-
speed sensor 
(signal)

RF ABS 
wheel-speed 
sensor

Continuity

AB-RF ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



Wiring harness 
(AB- RF ABS 
wheel-speed 
sensor connector 
terminal B)  

AC

-

-

-

-

-

-

AD

LF wheel-speed 
sensor (signal)

LF ABS 
wheel-speed 
sensor

Continuity

AD-LF ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



Wiring harness 
(AD-LF ABS 
wheel-speed 
sensor connector 
terminal B)  

AE

RF wheel-
speed sensor 
(power supply)

RF ABS 
wheel-speed 
sensor

Continuity

AE-RF ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



Wiring harness 
(AE- RF ABS 
wheel-speed 
sensor connector 
terminal A)  

AF

-

-

-

-

-

-

AG

LF wheel-speed 
sensor (power 
supply)

LF ABS 
wheel-speed 
sensor

Continuity

AG-LF ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



Wiring harness 
(AG-LF ABS 
wheel-speed 
sensor connector 
terminal A)  

AH

-

-

-

-

-

-

 

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 15 

© 2005 Mitchell Repair Information Company, LLC.