Mazda CX-9 Grand Touring. Manual - part 573

3A

Slide motor 
output (forward)

Slide motor

While slide motor is 
moving to forward

B+



Slide motor  



Related wiring 
harness  

Other

1.0 or less

3B

Slide motor 
output 
(backward)

Slide motor

While slide motor is 
moving to backward

B+



Slide motor  



Related wiring 
harness  

Other

1.0 or less

3C

Front tilt motor 
output (up)

Front tilt 
motor

While front tilt motor is 
moving to up

B+



Front tilt 
motor  



Related wiring 
harness  

Other

1.0 or less

3D

Front tilt motor 
output (down)

Front tilt 
motor

While front tilt motor is 
moving to down

B+



Front tilt 
motor  



Related wiring 
harness  

Other

1.0 or less

3E

Rear tilt motor 
output (up)

Rear tilt motor

While rear tilt motor is 
moving to up

B+



Rear tilt motor 



Related wiring 
harness  

Other

1.0 or less

3F

Rear tilt motor 
output (down)

Rear tilt motor

While rear tilt motor is 
moving to down

B+



Rear tilt motor 



Related wiring 
harness  

Other

1.0 or less

3G

Recliner motor 
output (forward)

Recliner motor

While recliner motor is 
moving to forward

B+



Recliner 
motor  



Related wiring 
harness  

Other

1.0 or less

3H

Recliner motor 
output 
(backward)

Recliner motor

While recliner motor is 
moving to backward

B+



Recliner 
motor  



Related wiring 
harness  

Other

1.0 or less

3I

Slide motor 
power supply

Slide motor

Slide motor moving

B+



Slide motor  



Related wiring 
harnesses  

Slide motor stopped

1.0 or less

3J

Slide motor 
pulse

Slide motor

Measure the waveform 
while driving motor 
operation using the 
oscilloscope.

High 
output: 4.8 
or more



Slide motor  



Related wiring 
harnesses  

Low 
output: 1.0 
or less

Slide motor stopped

1.0 or less 
or 5.0

Front tilt motor moving

B+



Front tilt 

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Seats - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:40:01 AM

Page 22 

© 2005 Mitchell Repair Information Company, LLC. 

POSITION MEMORY SWITCH INSPECTION 

1. Disconnect the position memory switch connector.  

2. Inspect for continuity between the power seat switch connector terminals. 



If not as specified, replace the position memory switch. 

3K

Front tilt motor 
power supply

Front tilt 
motor

Front tilt motor stopped

1.0 or less

motor  



Related wiring 
harnesses  

3L

Front tilt motor 
pulse

Front tilt 
motor

Measure the waveform 
while driving motor 
operation using the 
oscilloscope.

High 
output: 4.8 
or more



Front tilt 
motor  



Related wiring 
harnesses  

Low 
output: 1.0 
or less

Front tilt motor stopped

1.0 or less 
or 5.0

3M

Rear tilt motor 
power supply

Rear tilt motor

Rear tilt motor moving

B+



Rear tilt motor 



Related wiring 
harnesses  

Rear tilt motor stopped

1.0 or less

3N

Rear tilt motor 
pulse

Rear tilt motor

Measure the waveform 
while driving motor 
operation using the 
oscilloscope.

High 
output: 4.8 
or more



Rear tilt motor 



Related wiring 
harnesses  

Low 
output: 1.0 
or less

Rear tilt motor stopped

1.0 or less 
or 5.0

3O

Recliner motor 
power supply

Recliner motor

Recliner motor moving

B+



Recliner 
motor  



Related wiring 
harnesses  

Recliner motor stopped

1.0 or less

3P

Recliner motor 
pulse

Recliner motor

Measure the waveform 
while driving motor 
operation using the 
oscilloscope.

High 
output: 4.8 
or more



Recliner 
motor  



Related wiring 
harnesses  

Low 
output: 1.0 
or less

Recliner motor stopped

1.0 or less 
or 5.0

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Seats - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:40:01 AM

Page 23 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 27: Position Memory Switch Continuity Chart 
Courtesy of MAZDA MOTORS CORP. 

Fig. 28: Position Memory Switch - Circuit Diagram 
Courtesy of MAZDA MOTORS CORP. 

SEAT WARMER UNIT INSPECTION 

SEAT CUSHION 

1. Remove the front seat. (See FRONT SEAT REMOVAL/INSTALLATION.)  

2. Remove the seat cushion trim. (See FRONT SEAT DISASSEMBLY/ASSEMBLY.)  

3. While inspecting for continuity between the connector terminals A and B, use a dryer to warm the 

thermostat of the seat warmer unit on seat cushion. 

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Seats - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:40:01 AM

Page 24 

© 2005 Mitchell Repair Information Company, LLC. 

Fig. 29: Checking Thermostat With Air Gun 
Courtesy of MAZDA MOTORS CORP. 

4. When the ohmmeter indicates that there is no continuity, turn off the dryer, then use a thermometer to 

measure the temperature of the thermostat.  

5. Verify that the temperature is approx. 43°C {109°F}. 

Fig. 30: Identifying Thermostat Connector 
Courtesy of MAZDA MOTORS CORP. 

6. Using an ohmmeter, verify that there is continuity between the seat warmer unit connector terminals 

when temperature drops to approx. 34°C {93°F}. 



If not as indicated in the table, replace the seat warmer unit. 

 

2008 Mazda CX-9 Grand Touring 

2008 BODY & ACCESSORIES Seats - Mazda CX-9

  

Microsoft 

 

Sunday, November 15, 2009 10:40:01 AM

Page 25 

© 2005 Mitchell Repair Information Company, LLC.