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