Mazda MX-5 Miata / Grand Touring. Manual — part 69

N

Brake switch Brake switch

Voltage



Brake
switch

N-ground point
(Brake pedal
not depressed)

1 V or less -

O

RF wheel-
speed sensor
(ground)

RF ABS
wheel-speed
sensor

Continuity

O-RF ABS
wheel-speed
sensor
connector
terminal B

Continuity

detected



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

P

DSC OFF
switch

DSC OFF
switch

Continuity

P-DSC OFF
switch
connector
terminal A

Continuity

detected



Wiring
harness (P-
DSC OFF
switch
connector
terminal A)

Q

-

-

-

-

-

-

R

-

-

-

-

-

-

S

-

-

-

-

-

-

T

-

-

-

-

-

-

U

-

-

-

-

-

-

V

-

-

-

-

-

-

W

CAN_L

DLC-2
(CAN_L)

Continuity

W-DLC-2
terminal
CAN_L

Continuity

detected



Wiring
harness
(W-DLC-2
terminal
CAN_L)

X

CAN_H

DLC-2
(CAN_H)

Continuity

X-DLC-2
terminal
CAN_H

Continuity

detected



Wiring
harness (X-
DLC-2
terminal
CAN_H)

Y

Ground
(combined
sensor)

Combined
sensor

Continuity

Y-combined
sensor
connector
terminal F

Continuity

detected



Wiring
harness (Y-
combined
sensor
connector
terminal F)

Z

-

-

-

-

-

-



Wiring

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Dynamic Stability Control - MX-5 Miata

AA

Yaw rate
(signal)

Combined
sensor

Continuity

AA-combined
sensor
connector
terminal B

Continuity

detected

harness
(AA-
combined
sensor
connector
terminal B)

AB

Yaw rate (test
signal)

Combined
sensor

Continuity

AB-combined
sensor
connector
terminal C

Continuity

detected



Wiring
harness
(AB-
combined
sensor
connector
terminal C)

AC

-

-

-

-

-

-

AD

-

-

-

-

-

-

AE

Yaw rate
(reference
signal)

Combined
sensor

Continuity

AE-combined
sensor
connector
terminal A

Continuity

detected



Wiring
harness
(AE-
combined
sensor
connector
terminal A)

AF

-

-

-

-

-

-

AG

-

-

-

-

-

-

AH

-

-

-

-

-

-

AI

Lateral-G
(signal)

Combined
sensor

Continuity

AI-combined
sensor
connector
terminal D

Continuity

detected



Wiring
harness
(AI-
combined
sensor
connector
terminal D)

AJ

-

-

-

-

-

-

AK

-

-

-

-

-

-

AL

-

-

-

-

-

-

AM

-

-

-

-

-

-

AN

-

-

-

-

-

-

AO

-

-

-

-

-

-

AP

-

-

-

-

-

-

AQ

-

-

-

-

-

-

AR

-

-

-

-

-

-

AS

-

-

-

-

-

-

AT

-

-

-

-

-

-

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Dynamic Stability Control - MX-5 Miata

STEERING ANGLE SIGNAL 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 initial screen of the M-MDS.



When using the IDS (laptop PC)

1. Select "Chassis".

2. Select "ABS/DSC".

3. Select "Sensor Initialization".



When using the PDS (Pocket PC)

1. Select "All Tests and Calibrations".

2. Select "Sensor Initialization".

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

7. Drive the vehicle forward.

8. After 5 min of driving, verify that the DSC system is normal.

WARNING:



If the initialization procedure of the steering angle signal is not
completed, the DSC will not operate properly and may cause an
accident. Therefore, always perform initialization of the DSC HU/CM
steering angle signal to ensure proper DSC operation when any of
the following items are performed.



Steering angle sensor replacement



DSC HU/CM replacement

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Dynamic Stability Control - MX-5 Miata

Fig. 12: Locating DLC-2 Connector
Courtesy of MAZDA MOTORS CORP.

FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION

1. Remove or install the front ABS wheel-speed sensor in the same order of vehicles with ABS. (See

FRONT ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION .)

FRONT ABS WHEEL-SPEED SENSOR INSPECTION

1. Inspect the front ABS wheel-speed sensor in the same order of vehicles with ABS. (See FRONT ABS

WHEEL-SPEED SENSOR INSPECTION .)

REAR ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION

1. Remove or install the rear ABS wheel-speed sensor in the same order of vehicles with ABS. (See REAR

ABS WHEEL-SPEED SENSOR REMOVAL/INSTALLATION .)

REAR ABS WHEEL-SPEED SENSOR INSPECTION

1. Inspect the rear ABS wheel-speed sensor in the same order of vehicles with ABS. (See REAR ABS

WHEEL-SPEED SENSOR INSPECTION .)

2008 Mazda MX-5 Miata Grand Touring

2008 BRAKES Dynamic Stability Control - MX-5 Miata