Mazda CX-7 2007 Workshop Manual page 803

RF
ABS WHEEL-SPEED
SENSOR
LF
ABS WHEEL-SPEED
SENSOR
RR
ABS WHEEL-SPEED
SENSOR
LR
ABS WHEEL-SPEED
SENSOR
AS AQ AO AM
AT AR AP AN AL
ABS WHEEL-SPEED SENSOR WIRING HARNESS-SIDE CONNECTOR
Diagnostic procedure
STEP
1 INSPECT PID FOR ABS WHEEL-SPEED
SENSOR OUTPUT ERROR USING M-MDS
• Turn the ignition switch off.
• Connect the M-MDS to the DLC-2.
• Select the following PIDs using the M-MDS:
WSPD_LF
WSPD_LR
WSPD_RF
WSPD_RR
• Drive the vehicle.
• Verify that the vehicle speeds detected by
the four ABS wheel-speed sensors are
approximately the same.
• Are the vehicle speeds approximately the
same?
ON-BOARD DIAGNOSTIC
A
B
A
B
A
B
A
B
DSC HU/CM WIRING HARNESS-SIDE CONNECTOR
AK AI AG AE AC AA Y W
AJ AH AF AD AB Z X
FRONT
B A
INSPECTION
M
O
F
E
DSC HU/CM
I
L
G
H
U S Q O M K I
V T R P N L J
REAR
B A
Yes Go to Step 4.
No Go to the next step.
G E
D C B A
H F
ACTION
04-02–21
04-02