DIAGNOSTIC PROCEDURE
DTC C1288 [DSC/RSC] DIAGNOSTIC PROCEDURE
DTC C1327 [DSC/RSC]
POSSIBLE CAUSE
DSC/RSC HU/CM
z
Malfunction in the brake fluid pressure sensor
z
Conventional brake system malfunction
STEP
INSPECTION
ACTION
1
INSPECT CONVENTIONAL BRAKE
SYSTEM
z
Inspect the conventional Drake system for
the following:
{
Normal master cylinder operation
{
Brake fluid leakage between the
master cylinder and DSC/RSC
HU/CM
{
Normal brake switch operation
z
Is the conventional brake system normal?
Yes Go to the next step.
No
Replace the malfunctioning part, then go to
the next step.
2
INSPECT BRAKE FLUID PRESSURE
SENSOR
z
Inspect the brake fluid pressure sensor.
(See
BRAKE FLUID PRESSURE
SENSOR INSPECTION
.)
z
Is the brake fluid pressure sensor normal?
Yes Go to the next step.
No
Replace the DSC/RSC HU/CM, then go to
the next step.
(See
DSC/RSC HU/CM
REMOVAL/INSTALLATION
.)
3
VERIFY NO ABNORMALITY ON BRAKE
FLUID PRESSURE SENSOR
z
Clear the DTCs from the memory.
(See
ON-BOARD DIAGNOSTIC
[DSC/RSC]
.)
z
Are the same DTCs present?
Yes
Replace the DSC/RSC HU/CM, then go to
the next step.
(See
DSC/RSC HU/CM
REMOVAL/INSTALLATION
.)
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCS ARE
PRESENT
z
Are any other DTCs output?
Yes
Go to the applicable DTC inspection.
(See
ON-BOARD DIAGNOSTIC
[DSC/RSC]
.)
No
DTC troubleshooting completed.
2008 Mazda CX-9 Grand Touring
2008 BRAKES On-Board Diagnostic (DSC/RSC) - Mazda CX-9
Microsoft
Sunday, November 15, 2009 9:50:13 AM
Page 32
© 2005 Mitchell Repair Information Company, LLC.
