Mazda CX-9 Grand Touring 2009 Manual page 484

by the four ABS wheel speed sensors
are approximately the same.
Are the wheel speeds approximately
the same?
INSPECT THE SIZE OF THE TIRE
THAT HAS A DIFFERENT WHEEL
SPEED
Inspect the tire for differences in the
2
tire diameter caused by the tire size,
wear, or tire pressure.
Is the tire diameter the same as the
others?
INSPECT FOR INCORRECT ABS
SENSOR ROTOR INSTALLATION
3
Inspect if the number of teeth on the
ABS sensor rotor is incorrect.
Is the number of teeth correct?
VERIFY THAT THE SAME DTC IS
NOT PRESENT
Clear the DTC from the memory.
4
(See ON-BOARD DIAGNOSTIC
[DSC/RSC].)
Are the same DTCs present?
VERIFY THAT NO OTHER DTCS ARE
PRESENT
5
Are any other DTCs output?
DTC C1233, C1234, C1235, C1236 [DSC/RSC]
DTC C1233, C1234, C1235, C1236 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE
DTC C1233
DTC C1234
DTC C1235
DTC C1236
2008 Mazda CX-9 Grand Touring
2008 BRAKES On-Board Diagnostic (DSC/RSC) - Mazda CX-9
LF ABS wheel-speed sensor/ABS sensor rotor system
RF 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
Vehicle wheel speed signals of any of the four vehicle wheels indicate
Yes Go to the next step.
No Replace the tire, then go to Step 4.
Yes Go to the next step.
Replace the ABS sensor rotor, then go to the
(See FRONT ABS WHEEL-SPEED SENSOR
REMOVAL/INSTALLATION .)
No
(See REAR ABS WHEEL-SPEED SENSOR
REMOVAL/INSTALLATION [2WD] .)
(See REAR ABS WHEEL-SPEED SENSOR
REMOVAL/INSTALLATION [AWD] .)
Repeat the inspection from Step 1.
If the malfunction recurs, replace the DSC/RSC
Yes HU/CM, then go to the next step.
(See DSC/RSC HU/CM
REMOVAL/INSTALLATION .)
No Go to the next step.
Go to the applicable DTC inspection.
Yes (See ON-BOARD DIAGNOSTIC
[DSC/RSC].)
No DTC troubleshooting completed.
next step.