Mazda MX-5 Miata / Grand Touring. Manual - part 68

Fig. 9: Identifying Lock Lever Position 
Courtesy of MAZDA MOTORS CORP. 

DSC CONFIGURATION 

1. Connect the M-MDS to the DLC-2 connector.  

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



When using the IDS (laptop PC) 

1. Select the "Module Programming".  



When using the PDS (Pocket PC) 

1. Select "Programming".  

2. Select "Module Programming".  

3. Then, select the "Programmable Module Installation" and "ABS" from the screen menu..  

4. Perform the configuration according to the directions on the screen.  

5. Retrieve DTCs using the M-MDS, then verify if DTCs are present. 



If a DTC is present, perform the applicable DTC inspection. (See ON-BOARD DIAGNOSTIC 
(DYNAMIC STABILITY CONTROL SYSTEM) .) 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Dynamic Stability Control - MX-5 Miata

  

Fig. 10: Locating DLC-2 Connector 
Courtesy of MAZDA MOTORS CORP. 

DSC HU/CM INSPECTION 

1. Disconnect the DSC HU/CM connector. (See DSC HU/CM REMOVAL/INSTALLATION .)  

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

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

resistance according to the standard (reference value) on REFERENCE VALUE TABLE .  

STANDARD (REFERENCE VALUE) 

Fig. 11: Identifying DSC HU/CM Connector Terminals

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Dynamic Stability Control - MX-5 Miata

  

Courtesy of MAZDA MOTORS CORP. 

STANDARD REFERENCE VALUE TABLE 

Terminal

Signal name Connected to

Measured 

item

Measured 

terminal 

(measured 

condition)

Standard

Inspection item

(s)

A

Ground (ABS 
motor)

Ground point

Continuity A-ground point

Continuity 

detected



Wiring 
harness 
(A-ground 
point)  

B

Power supply 
(ABS motor 
operation)

Battery

Voltage

Under any 
condition

B+



Wiring 
harness (B-
battery)  

C

Power supply 
(solenoid 
operation)

Battery

Voltage

Under any 
condition

B+



Wiring 
harness (C-
battery)  

D

Ground (DSC 
system)

Ground point

Continuity D-ground point

Continuity 

detected



Wiring 
harness (D-
ground 
point)  

E

LF wheel-
speed sensor 
(ground)

LF ABS 
wheel-speed 
sensor

Continuity

E-LF ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



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

F

LF wheel-
speed sensor 
(single)

LF ABS 
wheel-speed 
sensor

Continuity

F-LF ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



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

G

LR wheel-
speed sensor 
(signal)

LR ABS 
wheel-speed 
sensor

Continuity

G-LR ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



Wiring 
harness (G-
LR ABS 
wheel-
speed 
sensor 
connector 

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Dynamic Stability Control - MX-5 Miata

  

terminal A) 

H

LR wheel-
speed sensor 
(ground)

LR ABS 
wheel-speed 
sensor

Continuity

H-LR ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



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

I

RR wheel-
speed (signal)

RR ABS 
wheel-speed 
sensor

Continuity

I-RR ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



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

J

Power supply 
(system)

Ignition 
switch

Voltage

Ignition switch 
at ON

B+



Wiring 
harness (J-
ignition 
switch)  

Ignition switch 
is off.

1 V or less -

K

-

-

-

-

-

-

L

RR wheel-
speed sensor 
(ground)

RR ABS 
wheel-speed 
sensor

Continuity

L-RR ABS 
wheel-speed 
sensor 
connector 
terminal B

Continuity 

detected



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

M

RF wheel-
speed sensor 
(signal)

RF ABS 
wheel-speed 
sensor

Continuity

M-RF ABS 
wheel-speed 
sensor 
connector 
terminal A

Continuity 

detected



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

N-ground point 
(Brake pedal 
depressed)

B+



Wiring 
harness (N-
brake 
switch)  

 

2008 Mazda MX-5 Miata Grand Touring 

2008 BRAKES Dynamic Stability Control - MX-5 Miata