Mazda CX-9 Grand Touring. Manual - part 119

 

  Index      Mazda     Mazda CX-9 Grand Touring - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  117  118  119  120   ..

 

 

Mazda CX-9 Grand Touring. Manual - part 119

 

 

DIAGNOSTIC PROCEDURE 

DTC B211B, C1279, C1280, C1281, C1282, C1516, C1517, C2769, C2770 [DSC/RSC] DIAGNOSTIC 
PROCEDURE
 

DETECTION CONDITION 

combined sensor (yaw rate part).  

C1280 

Specified signal from combined (yaw rate part) 
sensor has not output.  

C1281 

There is an abnormality in the signal from the 
combined sensor (lateral-G part).  

C1282 

Specified signal from combined (lateral-G part) 
sensor has not output.  

C1516 

Specified signal from combined (roll rate part) 
sensor has not output.  

C1517 

There is an abnormality in the signal from the 
combined sensor (roll rate part).  

C2769 

There is an abnormality in the signal from the 
combined sensor (longitudinal-G part).  

C2770 

Specified signal from combined (longitudinal-
G part) sensor has not output.  

POSSIBLE CAUSE 

Combined sensor malfunction  

Poor connection at connectors (female terminal)  

STEP

INSPECTION

ACTION

1

INSPECT COMBINED SENSOR  

Inspect the combined sensor. 

(See COMBINED SENSOR 
INSPECTION
 .) 

Is the combined sensor normal?  

Yes Go to the next step.

No

Replace the combined sensor, then go to the next 

step. 

(See COMBINED SENSOR 

REMOVAL/INSTALLATION .)

VERIFY DTC TROUBLESHOOTING 
COMPLETED.
  

Clear the DTC from the memory. 

Yes

Replace the DSC/RSC HU/CM, then go to the 
next step. 

 

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 17 

© 2005 Mitchell Repair Information Company, LLC. 

DTC C1095, C1096 [DSC/RSC] 

DTC C1095, C1096 [DSC/RSC] DETECTION CONDITION AND POSSIBLE CAUSE 

2

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

Are the same DTCs present?  

(See DSC/RSC HU/CM 
REMOVAL/INSTALLATION
 .)

No

Go to the next step.

3

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.

DTC C1095, C1096 Pump motor, motor relay system

DETECTION 

CONDITION 

C1095 

ABS motor monitor OFF signal is input within specified time limit when the
motor signal is switched from ON to OFF by DSC/RSC HU/CM.  

C1096 

When pump motor monitor voltage continues for 0.05s more than 0.75V 
among the pump motor ON.  

POSSIBLE CAUSE 

ABS 50A fuse malfunction  

Open or short to ground circuit in the wiring harness between the battery and the 
DSC/RSC HU/CM terminal AK  

Open circuit in the wiring harness between the DSC/RSC HU/CM terminal B and 
the body ground  

Open or short circuit in the DSC/RSC HU/CM internal motor relay, or stuck motor
relay  

Open or short circuit in the DSC/RSC HU/CM internal motor, or frozen motor  

Motor relay 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 18 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC C1095, C1096 [DSC/RSC] DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

1

INSPECT ABS FUSE CONDITION
 

Is the ABS 50A fuse normal?  

Yes Go to the next step.

No

Replace the fuse, then go to Step 5.

INSPECT MOTOR RELAY 
POWER SUPPLY FOR OPEN 
CIRCUIT
  

Turn the ignition switch off.  

Yes Go to the next step.

 

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 19 

© 2005 Mitchell Repair Information Company, LLC. 

2

Disconnect DSC/RSC HU/CM 
connector.  

Turn the ignition switch to the 
ON position (engine off).  

Measure voltage between 
DSC/RSC HU/CM terminal AK 
(harness-side) and ground.  

Is the voltage B+?  

No

Repair or replace the wiring harness for open circuit 

between battery positive terminal and DSC/RSC 

HU/CM terminal AK, then go to Step 5.

3

INSPECT PUMP MOTOR 
GROUND FOR OPEN CIRCUIT
  

Turn the ignition switch off.  

Inspect for continuity between 
DSC/RSC HU/CM terminal B 
(harness-side) and ground.  

Is there continuity?  

Yes Go to the next step.

No

Repair or replace the wiring harness for open circuit 

between DSC/RSC HU/CM terminal B and ground, 

then go to Step 5.

4

VERIFY PUMP MOTOR 
OPERATION
  

Turn the ignition switch off.  

Connect the M-MDS to the 
DLC-2.  

Turn the ignition switch to the 
ON position (engine off).  

Access PMP_MOTOR active 
command modes using the M-
MDS.  

Does the pump motor operate?  

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 .)

5

VERIFY TROUBLESHOOTING 
COMPLETED
  

Make sure to reconnect all 
disconnected connectors.  

Clear the DTC from the 
memory. 

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

Gradually slow down and stop 
the vehicle.  

Is the same DTC 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.

VERIFY AFTER REPAIR 

Go to the applicable DTC inspection. 

 

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 20 

© 2005 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

Content   ..  117  118  119  120   ..