Mazda CX-9 Grand Touring. Manual - part 218



If the DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE [MZI-3.7].)  



If the DTC does not exist and the MIL does not illuminate, diagnose the applicable symptom 
troubleshooting. 

Fig. 4: Symptom Troubleshooting Flow Chart 
Courtesy of MAZDA MOTORS CORP. 

ON-BOARD DIAGNOSTIC TEST [MZI-3.7] 

DTC READING PROCEDURE 

1. Connect the M-MDS to the DLC-2.  

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. 



When using the IDS (laptop PC) 

1. Select "Self Test".  

2. Select "Modules".  

3. Select "PCM".  



When using the PDS (Pocket PC) 

1. Select "Module Tests".  

2. Select "PCM".  

3. Select "Self Test".  

3. Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS 

screen. 

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:08:33 AM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 5: Identifying DLC-2 
Courtesy of MAZDA MOTORS CORP. 

4. Verify the DTC according to the directions on the M-MDS screen. 



If any DTCs are displayed, perform troubleshooting according to the corresponding DTC 
inspection.  

5. After completion of repairs, clear all DTCs stored in the PCM, while referring to "AFTER REPAIR 

PROCEDURE".  

PENDING TROUBLE CODE ACCESS PROCEDURE 

1. Connect the M-MDS to the DLC-2.  

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. 



When using the IDS (laptop PC) 

1. Select "Self Test".  

2. Select "Modules".  

3. Select "PCM".  



When using the PDS (Pocket PC) 

1. Select "Module Tests".  

2. Select "PCM".  

3. Select "Self Test". 

Fig. 6: Identifying DLC-2

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:08:34 AM

Page 6 

© 2005 Mitchell Repair Information Company, LLC. 

Courtesy of MAZDA MOTORS CORP.

3. Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS 

screen.  

4. Retrieve the pending trouble codes according to the directions on the M-MDS screen.  

FREEZE FRAME PID DATA ACCESS PROCEDURE 

1. Connect the M-MDS to the DLC-2.  

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. 



When using the IDS (laptop PC) 

1. Select "Self Test".  

2. Select "Modules".  

3. Select "PCM".  



When using the PDS (Pocket PC) 

1. Select "Module Tests".  

2. Select "PCM".  

3. Select "Self Test". 

Fig. 7: Identifying DLC-2 
Courtesy of MAZDA MOTORS CORP. 

3. Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS 

screen.  

4. Retrieve the freeze frame PID data according to the directions on the M-MDS screen.  

ON-BOARD SYSTEM READINESS TESTS ACCESS PROCEDURE 

1. Connect the M-MDS to the DLC-2.  

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. 



When using the IDS (laptop PC) 

1. Select "Powertrain".  

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:08:34 AM

Page 7 

© 2005 Mitchell Repair Information Company, LLC. 

2. Select "OBD Test Modes".  

3. Select "Mode 1 Powertrain Data".  

4. Select "PCM".  



When using the PDS (Pocket PC) 

1. Select "OBDII Modes".  

2. Select "Mode 1 Powertrain Data".  

3. Select "PCM". 

Fig. 8: Identifying DLC-2 
Courtesy of MAZDA MOTORS CORP. 

3. Then, select the "***SUP" and "**EVAL" PIDs in the PID selection screen.  

4. Monitor those PIDs and check it system monitor is completed. 

PID/DATA MONITOR AND RECORD PROCEDURE 

1. Connect the M-MDS to the DLC-2.  

2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. 



When using the IDS (laptop PC) 

1. Select "DataLogger".  

2. Select "Modules".  

3. Select "PCM".  

NOTE:



If the on-board system readiness tests are not completed the PCM 
stores DTC P1000.  

NOTE:



The PID/DATA MONITOR function monitors the calculated value of the 
input/output signals in the PCM. Therefore, an output device malfunction 
is not directly indicated as a malfunction of the monitored value for the 
output device. If a monitored value of an output device is out of 
specification, inspect the monitored value of the input device related to the 
output control.  

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:08:34 AM

Page 8 

© 2005 Mitchell Repair Information Company, LLC.