Mazda CX-9 Grand Touring. Manual - part 593

2008 BODY & ACCESSORIES

Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - Mazda 

CX-9 

SYMPTOM TROUBLESHOOTING CHART [POWER WINDOW SYSTEMS 
(EXTERIOR OPEN/CLOSE FUNCTION)] 

SYMPTOM TROUBLESHOOTING CHART 

QUICK DIAGNOSTIC CHART [POWER WINDOW SYSTEMS (EXTERIOR 
OPEN/CLOSE FUNCTION)] 

NO.

TROUBLESHOOTING ITEM

PAGE

1

Door glass does not operate even 
through various operation are 
performed

(See NO.1 UNABLE TO COMMUNICATE WITH 
GENERIC ELECTRONIC MODULE (GEM) [POWER 
WINDOW SYSTEMS (EXTERIOR OPEN/CLOSE 
FUNCTION)].)

2

Door glass does not operate using 
the keyless transmitter

(See NO.2 DOOR GLASS DOES NOT OPERATE USING 
THE KEYLESS TRANSMITTER [POWER WINDOW 
SYSTEMS (EXTERIOR OPEN/CLOSE FUNCTION)].)

3

Door glass does not operate using 
the request switch

(See NO.3 DOOR GLASS DOES NOT OPERATE USING 
THE REQUEST SWITCH [POWER WINDOW 
SYSTEMS (EXTERIOR OPEN/CLOSE FUNCTION)].)

4 Passenger door glass do not operate

(See NO.4 PASSENGER DOOR GLASS DOES NOT 
OPERATE [POWER WINDOW SYSTEMS (EXTERIOR 
OPEN/CLOSE FUNCTION)].)

5

Door glass stops before fully 
opening/closing

(See NO.5 DOOR GLASS STOPS BEFORE FULLY 
OPENING/CLOSING [POWER WINDOW SYSTEMS 
(EXTERIOR OPEN/CLOSE FUNCTION)].)

6

Door glass reverse before it fully 
opens

(See NO.6 DOOR GLASS REVERSES BEFORE IT 
FULLY OPENS [POWER WINDOW SYSTEMS 
(EXTERIOR OPEN/CLOSE FUNCTION)].)

7

Driver and passenger door glasses 
operate accidentally

(See NO.7 DRIVER AND PASSENGER DOOR GLASSES 
OPERATE ACCIDENTALLY [POWER WINDOW 
SYSTEMS (EXTERIOR OPEN/CLOSE FUNCTION)].)

8

Passenger door glass operates 
accidentally

(See NO.8 PASSENGER DOOR GLASS OPERATES 
ACCIDENTALLY [POWER WINDOW SYSTEMS 
(EXTERIOR OPEN/CLOSE FUNCTION)].)

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - 

Mazda CX-9

  

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - 

Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:37:40 AM

Page 1 

© 2005 Mitchell Repair Information Company, LLC. 

Microsoft 

 

Sunday, November 15, 2009 10:37:43 AM

Page 1 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 1: Troubleshooting Chart 
Courtesy of MAZDA MOTORS CORP. 

NOTE:



The exterior open/close function does not operate when the following 
conditions are met. 



Any door or liftgate is open.  



The key is inserted in the steering lock.  



The start knob is not in the LOCK position.  



The auto-open/close function (the exterior open/close function) does not 
operate if the power window initialization procedure has been reset.  

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - 

Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:37:40 AM

Page 2 

© 2005 Mitchell Repair Information Company, LLC. 

NO.1 UNABLE TO COMMUNICATE WITH GENERIC ELECTRONIC MODULE 
(GEM) [POWER WINDOW SYSTEMS (EXTERIOR OPEN/CLOSE FUNCTION)] 

POSSIBLE CAUSE CHART 

DIAGNOSTIC PROCEDURE 

DIAGNOSTIC PROCEDURE 



Depending on the temperature and battery conditions, the window may 
reverse on rare occasions.  

1

Door glass does not operate even though various operations are performed

POSSIBLE CAUSE 



Power window main switch malfunction  



Power window motor malfunction  



Battery malfunction (low voltage)  



power window initialization procedure error  



Open circuit in wiring harness between power window main switch and 
BCM  



BCM malfunction  

Step

Inspection

Action

1



Inspect the operation of the door 
glass by operating the power window 
main switch.  



Is the manual operation normal?  

Yes Go to the next step.

No

Inspect the following parts, and repair or replace.



Power window main switch 

(See POWER WINDOW MAIN SWITCH 

INSPECTION .) 



Power window motor 

(See POWER WINDOW MOTOR 

INSPECTION .) 



Battery (low voltage)  

2



Inspect the operation of the door 
glass by operating the power window 
main switch.  



Does the door glass operate in auto?  

Yes Go to the next step.

No

Perform the power window initialization 

procedure. 

(See POWER WINDOW INITIALIZATION 

PROCEDURE .)

3

Yes

Inspect the wiring harness between the power 
window main switch and the BCM. 
If there is any malfunction, repair or replace the 
applicable part.

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - 

Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:37:40 AM

Page 3 

© 2005 Mitchell Repair Information Company, LLC. 

NO.2 DOOR GLASS DOES NOT OPERATE USING THE KEYLESS 
TRANSMITTER [POWER WINDOW SYSTEMS (EXTERIOR OPEN/CLOSE 
FUNCTION)] 

POSSIBLE CAUSE CHART 

DIAGNOSTIC PROCEDURE 

DIAGNOSTIC PROCEDURE 



Does the door lock/unlock normally?  No

Replace the BCM. 

(See BODY CONTROL MODULE (BCM) 

REMOVAL/INSTALLATION .)

2

DOOR GLASS DOES NOT OPERATE USING THE KEYLESS 
TRANSMITTER

POSSIBLE 

CAUSE 



Keyless control module malfunction  



BCM malfunction  



Open circuit in wiring harness between keyless control module and BCM  



Any door or liftgate is open  



Key is inserted in steering lock  

Step

Inspection

Action

1



Inspect the door lock/unlock operation 
using the transmitter.  



Does it operate normally?  

Yes

Inspect the following parts, and repair or replace.



BCM 

(See BODY CONTROL MODULE 
(BCM) INSPECTION .) 



Keyless control module (Vehicles with 
advanced keyless system) 

(See KEYLESS CONTROL MODULE 
INSPECTION [ADVANCED KEYLESS 
SYSTEM] .) 

No

Go to the next step.

2



Inspect the open/close condition of the 
doors and the liftgate.  



Is the reason why they do not 
lock/unlock because a door or the 
liftgate is open?  

Yes

System is normal (Does not operate when a door 
or the liftgate is open).

No

Go to the next step.



Verify whether the key is in the 
steering lock.  

Yes

System is normal (Does not operate when the key 
is inserted in the steering wheel lock)

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Symptom Troubleshooting [Power Window System (Exterior Open/Close Function)] - 

Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:37:40 AM

Page 4 

© 2005 Mitchell Repair Information Company, LLC.