Mazda CX-9 Grand Touring. Manual — part 37

Fig. 82: Connecting SST To Battery
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 RESTRAINTS Air Bag System - Mazda CX-9

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2008 DRIVELINE/AXLE

All Wheel Drive (AWD) - Mazda CX-9

ELECTRONIC AWD CONTROL SYSTEM LOCATION INDEX

Fig. 1: Identifying Wheel Drive Components (AWD)
Courtesy of MAZDA MOTORS CORP.

AWD CONTROL MODULE INSPECTION

1. Measure voltage or resistance at each AWD CM terminal using a voltmeter and an ohmmeter.



If not as specified, replace the AWD CM.

TERMINAL VOLTAGE LIST (REFERENCE)

NOTE:



AWD CM terminal voltage can vary depending on measuring conditions
and vehicle aging, resulting in misdiagnosis. Therefore, it is necessary to
perform an overall inspection of the input/output systems and AWD CM to
determine which part is malfunctioning.



With the AWD CM connector connected, measure voltage by connecting
the voltmeter negative (-) lead to the body ground and positive (+) lead to
each AWD CM terminal.

2008 Mazda CX-9 Grand Touring

2008 DRIVELINE/AXLE All Wheel Drive (AWD) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 DRIVELINE/AXLE All Wheel Drive (AWD) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:31:22 AM

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Fig. 2: Identifying AWD Control Module Connector Terminal
Courtesy of MAZDA MOTORS CORP.

TERMINAL VOLTAGE LIST (REFERENCE)

Terminal

Signal

Input/output

Connected

to

Measuring

item

Test condition

Voltage

(V)/

Continuity

Inspection

location in case

of failure

A

Differential
oil
temperature
sensor
signal

Input

Differential
oil
temperature
sensor

Voltage

Ignition
key ON

Differential
oil
temperature
20°C {68°
F}

3.0



Inspect
differential
oil
temperature
sensor



Inspect
related
harness

Differential
oil
temperature
60°C{140°
F}

1.4

B

-

-

-

-

-

-

-

-

C

Differential
oil
temperature
sensor
GND

-

Differential
oil
temperature
sensor

Continuity Any condition

Yes



Inspect
related
harness

D

-

-

-

-

-

-

-

-

E

-

-

-

-

-

-

-

-

F

-

-

-

-

-

-

-

-

G

CAN_H

Input/output

-

Perform measurement during DTC
inspection.

-

H

CAN_L

Input/output

-

Perform measurement during DTC
inspection.

-

I

Power
supply
(Ignition
switch)

Input

Ignition
key

Voltage

Ignition key ON

B+



Inspect
fuse



Inspect
related
harness

Ignition key OFF

1.0 or

below

2008 Mazda CX-9 Grand Touring

2008 DRIVELINE/AXLE All Wheel Drive (AWD) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:31:22 AM

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AWD CONTROL MODULE REMOVAL/INSTALLATION

1. Disconnect the negative battery cable.

2. Remove the dashboard undercover (Driver side). (See DASHBOARD UNDER COVER

REMOVAL/INSTALLATION .)

3. Remove in the order indicated in the table.

4. Install in the reverse order of removal.

J

-

-

-

-

-

-

-

-

K

Power
supply
(Main)

Input

Battery

Voltage

Any condition

B+



Inspect
fuse



Inspect
related
harness

L

-

-

-

-

-

-

-

-

M

-

-

-

-

-

-

-

-

N

Ground

-

Ground

Voltage

Any condition

0



Inspect
related
harness

O

AWD
solenoid
(+)

Output

AWD
solenoid

Voltage

Ignition key ON

B+



AWD
solenoid



Inspect
related
harness

Ignition key OFF

1.0 or

below

P

AWD
solenoid (-)

Output

AWD
solenoid

Voltage

Ignition key ON

B+



AWD
solenoid



Inspect
related
harness

Ignition key OFF

1.0 or

below

2008 Mazda CX-9 Grand Touring

2008 DRIVELINE/AXLE All Wheel Drive (AWD) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:31:22 AM

Page 3

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