Mazda CX-9 Grand Touring. Manual - part 327

 

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Mazda CX-9 Grand Touring. Manual - part 327

 

 

IGKEY1

IGKEY1 fuse  

Ignition switch  

ENG. IGA fuse  

IG KEY2

IGKEY2 fuse  

Ignition switch  

STA fuse  

Starter relay 

Starter  

PCM  

ENG.IGA

ENG.IGA fuse  

Fuel pump relay  

PCM  

Diode  

Fan relay (Single fan control module)  

Cooling fan relay No.1 (Dual fan control module)  

Cooling fan relay No.2 (Dual fan control module)  

FUEL PUMP

FUEL PUMP fuse  

Fuel pump relay 

Fuel pump  

PCM  

INJ fuse 

PCM  

Fuel injector No.1  

Fuel injector No.2  

Fuel injector No.3  

Fuel injector No.4  

Fuel injector No.5  

Fuel injector No.6  

FAN1

FAN 1 fuse  

Fan relay 

Fan control module (Single fan control module)  

Cooling fan relay No.1 (Dual fan control module) 

Fan control module No.1 (Dual fan control module)  

FAN 2 fuse  

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:10:04 AM

Page 14 

© 2005 Mitchell Repair Information Company, LLC. 

FAN 2

Fan relay 

Fan control module (Single fan control module)  

Cooling fan relay No.2 (Dual fan control module) 

Fan control module No.2 (Dual fan control module)  

ENG+B

ENG+B fuse  

Generator  

CV solenoid valve  

PCM  

STA

STA fuse  

Starter relay 

PCM  

ENG BAR

ENG BAR fuse  

Front HO2S (RH)  

Front HO2S (LH)  

Rear HO2S (RH)  

Rear HO2S (LH)  

Oil control valve (RH)  

Oil control valve (LH)  

Mass air flow/intake air temperature sensor  

Purge solenoid valve  

Brake switch No.2  

ENG BAR2

ENG BAR2 fuse  

A/C relay  

PCV valve heater fitting  

PCV valve heater control  

ENG INJ

ENG INJ fuse  

PCM  

INJ

INJ fuse  

PCM  

Fuel injector No.1  

Fuel injector No.2  

Fuel injector No.3  

Fuel injector No.4  

Fuel injector No.5  

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:10:04 AM

Page 15 

© 2005 Mitchell Repair Information Company, LLC. 

NO.2 MIL ILLUMINATES [MZI-3.7] 

NO.2 MIL ILLUMINATES (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES 

DIAGNOSTIC PROCEDURE 

NO.2 MIL ILLUMINATES (MZI-3.7) DIAGNOSTIC PROCEDURE 

Fuel injector No.6  

IG COIL

IG COIL fuse  

Condenser  

Ignition coil No.1  

Ignition coil No.2  

Ignition coil No.3  

Ignition coil No.4  

Ignition coil No.5  

Ignition coil No.6  

2

MIL ILLUMINATES

DESCRIPTION  The MIL is illuminated incorrectly.

POSSIBLE 

CAUSE 

The PCM illuminates for emission-related concern (DTC is stored in PCM)  

Instrument cluster malfunction 

NOTE:

If the MIL blinks at steady rate, misfire condition could possibly 
exist.  

STEP

INSPECTION

RESULTS

ACTION

1

Connect the M-MDS to the DLC-2. 
Turn the ignition switch to the ON 
position (Engine off). 
Retrieve any DTCs. 
Are there any DTCs displayed?

Yes

DTC is displayed:  

Go to appropriate the DTC inspection. 

(See DTC TABLE [MZI-3.7] .) 

No

No DTC is displayed:  

Inspect instrument cluster operation. 

(See INSTRUMENT CLUSTER 

INSPECTION .) 

Verify test results. 

If normal, return to diagnostic index to service any additional symptoms. 

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:10:04 AM

Page 16 

© 2005 Mitchell Repair Information Company, LLC. 

NO.3 WILL NOT CRANK [MZI-3.7] 

NO.3 WILL NOT CRANK (MZI-3.7) DETECTION CONDITIONS AND POSSIBLE CAUSES 

DIAGNOSTIC PROCEDURE 

NO.3 WILL NOT CRANK (MZI-3.7) DIAGNOSTIC PROCEDURE 

2

(See SYMPTOM DIAGNOSTIC INDEX [MZI-3.7].) 

If malfunction remains, inspect related Service Bulletins and/or On-line Repair 
Information and perform repair or diagnosis. 

If vehicle is repaired, troubleshooting completed.  

If vehicle is not repaired or additional diagnostic information is not available, 
replace the PCM. 

(See PCM INSPECTION [MZI-3.7] .) 

3

WILL NOT CRANK

DESCRIPTION 

The starter does not work.

POSSIBLE CAUSE 

Open starter circuit between ignition switch and starter  

TR switch malfunction  

TR switch misadjustment  

Low or dead battery  

Charging system malfunction.  

Starter malfunction  

Seized/hydrolocked engine, drive plate  

Immobilizer system and/or circuit malfunction  

Immobilizer system operating properly. (Ignition key is not registered)  

Advanced keyless entry system malfunction  

STEP

INSPECTION

RESULTS

ACTION

1

Start the engine using the mechanical 
ignition key.Does the engine start?

NOTE:

The following test should be 
performed on the advanced 
keyless entry system. If not 
equipped, go to the next step.  

Yes

Inspect advanced keyless entry system and 
repair or replace according to inspection 
result. 
(See SYMPTOM 
TROUBLESHOOTING CHART 
[KEYLESS ENTRY SYSTEM]
 .)

No

Go to the next step.

2

Connect the M-MDS to the DLC-2. 
Do the following conditions appear? 

The engine is not completely 

Yes

Both conditions appear:  
Go to Step 4.

 

2008 Mazda CX-9 Grand Touring 

2008 ENGINE Symptom Troubleshooting (MZI-3.7) - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:10:04 AM

Page 17 

© 2005 Mitchell Repair Information Company, LLC. 

 

 

 

 

 

 

 

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