Mazda CX-9 Grand Touring 2009 Manual page 510

(See REAR ABS WHEEL-
SPEED SENSOR
INSPECTION [AWD] .)
Is the output value
normal?
VERIFY THAT TIRE
CONDITION
Verify tire condition for
following:
4
Wear
Grip level
(different by four
wheels)
Are tires condition okay?
NO.5 DSC OPERATES FREQUENTLY/DSC DOES NOT WORK CORRECTLY
[DSC/RSC]
TROUBLESHOOTING CHART
DSC* operates frequently. /DSC* does not work correctly.
5 *: DSC/RSC system contains dynamic stability control function; DSC indicator light illuminates
and goes out and while DSC/RSC is operating.
[TROUBLESHOOTING HINTS]
DSC/RSC HU/CM detected malfunction (input and output device malfunction)
Poor installation of combined sensor and/or steering angle sensor
(If any of the above sensors are poorly installed, DSC/RSC may operate intermittently)
When replacing the DSC/RSC HU/CM, or combined sensor, initialization is not performed.
(If initialization is not performed correctly, DSC/RSC may not work correctly)
DIAGNOSTIC PROCEDURE
DIAGNOSTIC PROCEDURE
STEP
INSPECT DSC/RSC HU/CM FOR DTCs
1
Inspect the DTC for the ON-BOARD
DIAGNOSTIC SYSTEM.
2008 Mazda CX-9 Grand Touring
2008 BRAKES Symptom Troubleshooting (DSC/RSC) - Mazda CX-9
Find malfunctioning part according to "INTERMITTENT
Yes
CONCERN TROUBLESHOOTING".
No
INSPECTION
output of abnormal wave form at high speed.)
Adjust, repair or replace tire.
ACTION
Perform the applicable DTC inspection. (See
Yes
ON-BOARD DIAGNOSIS [DSC/RSC] .)