Mazda CX-7 2007 Workshop Manual page 799

DTC C1148, C1158, C1168, C1178
C1148
C1158
DTC
C1168
C1178
• Vehicle wheel speed signals of any of the four vehicle wheels indicate abnormal acceleration that
DETECTION
exceeds specification.
CONDITION
• Vehicle wheel speed signals of any of the four vehicle wheels indicate speed that exceeds specification.
• ABS wheel-speed sensor malfunction (low output, metal shavings on sensor)
• ABS sensor rotor malfunction (chipping of sensor rotor teeth)
POSSIBLE
• Poor installation of ABS wheel-speed sensor and/or sensor rotor
CAUSE
• Excessive clearance between the ABS wheel-speed sensor and sensor rotor
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
ON-BOARD DIAGNOSTIC
RF ABS wheel-speed sensor/ABS sensor rotor system
LF ABS wheel-speed sensor/ABS sensor rotor system
RR ABS wheel-speed sensor/ABS sensor rotor system
LR ABS wheel-speed sensor/ABS sensor rotor system
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
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 H
REAR
B A
id040200801200
G E
D C B A
F
04-02–17
04-02