Mazda CX-9 Grand Touring 2009 Manual page 489

DTC C1327 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE
DTC C1327
DETECTION CONDITION
POSSIBLE CAUSE
DIAGNOSTIC PROCEDURE
DTC C1327 [DSC/RSC] DIAGNOSTIC PROCEDURE
STEP INSPECTION
INSPECT FOR BCM
MALFUNCTION FOR DTCs
Turn the ignition switch off.
1
Using the M-MDS, perform the
DTC inspection for the BCM.
Are any DTCs detected?
INSPECT BRAKE FLUID LEVEL
2
Inspect the brake fluid level.
Is it normal?
INSPECT BRAKE FLUID LEVEL
SENSOR
Inspect the brake fluid level
sensor.
3
(See BRAKE FLUID LEVEL
SENSOR INSPECTION .)
Is it normal?
VERIFY DTC
TROUBLESHOOTING
COMPLETED
Clear the DTC from the memory.
4
(See ON-BOARD
DIAGNOSTIC [DSC/RSC].)
Is the same DTC present?
5
VERIFY AFTER REPAIR
PROCEDURE
2008 Mazda CX-9 Grand Touring
2008 BRAKES On-Board Diagnostic (DSC/RSC) - Mazda CX-9
Brake fluid level sensor
Brake fluid level remains low
Decrease in amount of brake fluid
Malfunction of brake fluid level sensor
Yes
No
Yes Go to the next step.
No
Yes Go to the next step.
No
Yes
No
Yes
ACTION
Go to applicable DTC inspection.
(See DTC TABLE [BCM] )
Go to the next step.
Add brake fluid to specified level, then go to the next
Repair brake fluid level sensor, then go to the next
(See MASTER CYLINDER
REMOVAL/INSTALLATION .)
Repeat the inspection from Step 1.
If the malfunction occurs again, replace the
DSC/RSC HU/CM, then go to the next step.
(See DSC/RSC HU/CM
REMOVAL/INSTALLATION .)
Go to next step.
Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC [DSC/RSC].)
step.
step.