Mazda CX-9 Grand Touring. Manual - part 123

 

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Mazda CX-9 Grand Touring. Manual - part 123

 

 

DTC C1327 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE 

DIAGNOSTIC PROCEDURE 

DTC C1327 [DSC/RSC] DIAGNOSTIC PROCEDURE 

DTC C1327

Brake fluid level sensor

DETECTION CONDITION 

Brake fluid level remains low  

POSSIBLE CAUSE 

Decrease in amount of brake fluid  

Malfunction of brake fluid level sensor  

STEP

INSPECTION

ACTION

1

INSPECT FOR BCM 
MALFUNCTION FOR DTCs
  

Turn the ignition switch off.  

Using the M-MDS, perform the 
DTC inspection for the BCM.  

Are any DTCs detected?  

Yes

Go to applicable DTC inspection. 
(See DTC TABLE [BCM] )

No

Go to the next step.

2

INSPECT BRAKE FLUID LEVEL  

Inspect the brake fluid level.  

Is it normal?  

Yes Go to the next step.

No

Add brake fluid to specified level, then go to the next 

step.

3

INSPECT BRAKE FLUID LEVEL 
SENSOR
  

Inspect the brake fluid level 
sensor. 

(See BRAKE FLUID LEVEL 
SENSOR INSPECTION
 .) 

Is it normal?  

Yes Go to the next step.

No

Repair brake fluid level sensor, then go to the next 

step. 

(See MASTER CYLINDER 

REMOVAL/INSTALLATION .)

4

VERIFY DTC 
TROUBLESHOOTING 
COMPLETED
  

Clear the DTC from the memory. 

(See ON-BOARD 
DIAGNOSTIC [DSC/RSC]
.) 

Is the same DTC present?  

Yes

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
 .)

No

Go to next step.

5

VERIFY AFTER REPAIR 
PROCEDURE
  

Yes

Go to the applicable DTC inspection. 
(See ON-BOARD DIAGNOSTIC [DSC/RSC].)

 

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 33 

© 2005 Mitchell Repair Information Company, LLC. 

DTC C1329, C1330, C1331, C1332, C1333, C1334, C1335, C1336, C1527, 
C1528, C1530, C1531 [DSC/RSC] 

DTC C1329, C1330, C1331, C1332, C1333, C1334, C1335, C1336, C1527, C1528, C1530, C1531 
[DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE
 

DIAGNOSTIC PROCEDURE 

DTC C1329, C1330, C1331, C1332, C1333, C1334, C1335, C1336, C1527, C1528, C1530, C1531 
[DSC/RSC] DIAGNOSTIC PROCEDURE
 

Are any other DTCs present?  

No

DTC troubleshooting completed.

DTC C1329

RF outlet solenoid valve coil system

DTC C1330

LR outlet solenoid valve coil system

DTC C1331

RR outlet solenoid valve coil system

DTC C1332

LF outlet solenoid valve coil system

DTC C1333

LR inlet solenoid valve coil system

DTC C1334

LF inlet solenoid valve coil system

DTC C1335

RF inlet solenoid valve coil system

DTC C1336

RR inlet solenoid valve coil system

DTC C1527

RH traction control solenoid valve coil system

DTC C1528

LH traction control solenoid valve coil system

DTC C1530

RH stability control solenoid valve coil system

DTC C1531

LH stability control solenoid valve coil system

DETECTION 

CONDITION 

Temperature of a solenoid valve coil exceeds specification.  

POSSIBLE CAUSE 

This does not indicate a malfunction since constant control over extended 
period of time is inhibited to protect the RSC solenoid valve inside the 
DSC/RSC HU.  

STEP

INSPECTION

ACTION

1

VERIFY DTC TROUBLESHOOTING 
COMPLETED
  

Clear the DTC from the memory. 

(See ON-BOARD DIAGNOSTIC 
[DSC/RSC]
.) 

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.

2

VERIFY AFTER REPAIR 
PROCEDURE
  

Are any other DTCs present?  

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 34 

© 2005 Mitchell Repair Information Company, LLC. 

DTC C1446 [DSC/RSC] 

DTC C1446 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE 

DTC C1446

Brake switch system

DETECTION 

CONDITION 

Brake switch ON signal is not input when the brake fluid pressure sensor signal 
reaches the specified value.  

Brake switch ON signal is input even if the signal from the brake fluid pressure 
sensor is less than the specification.  

POSSIBLE CAUSE 

Open or short circuit in wiring harness between the brake switch and PCM 1T 
terminal  

Brake switch malfunction  

Poor connection at connectors (female terminal)  

 

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 35 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

 

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 36 

© 2005 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

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