Mazda CX-9 Grand Touring. Manual — part 466

Fig. 6: Identifying Intake Manifold, Thermostat Component & Torque Specification
Courtesy of MAZDA MOTORS CORP.

INTAKE MANIFOLD INSTALLATION NOTE

1. Tighten the intake manifold installation bolts in the order shown.

Intake manifold installation bolt tightening torque

8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf}

Fig. 7: Identifying Intake Manifold Bolts Tighten Sequence
Courtesy of MAZDA MOTORS CORP.

DYNAMIC CHAMBER INSTALLATION NOTE

1. Tighten the dynamic chamber installation bolts in the order shown.

Dynamic chamber installation bolt tightening torque

8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf}

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Intake-Air System (MZI-3.7) - Mazda CX-9

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Sunday, November 15, 2009 10:05:41 AM

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Fig. 8: Identifying Dynamic Chamber Bolts Tighten Sequence
Courtesy of MAZDA MOTORS CORP.

AIR CLEANER ELEMENT INSPECTION [MZI-3.7]

1. Remove the air cleaner element. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-

3.7].)

2. Verify that the air cleaner element surface is free of dirt.



If there is dirt, use an air gun or similar tool to clean the element.



If the replacement time limit has passed, replace the element.

THROTTLE BODY INSPECTION [MZI-3.7]

RESISTANCE INSPECTION

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)

2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.7] .)

3. Disconnect the throttle body connector.

4. Measure the resistance between throttle body terminals A and B.



If not as specified, replace the throttle body. (See INTAKE-AIR SYSTEM
REMOVAL/INSTALLATION [MZI-3.7].)



If as specified, carry out the "Circuit Open/Short Inspection".

Throttle actuator resistance 1-900 ohms

NOTE:



Perform the following inspection only when directed.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Intake-Air System (MZI-3.7) - Mazda CX-9

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Sunday, November 15, 2009 10:05:41 AM

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© 2005 Mitchell Repair Information Company, LLC.

Fig. 9: Identifying Throttle Actuator
Courtesy of MAZDA MOTORS CORP.

CIRCUIT OPEN/SHORT INSPECTION

1. Disconnect the PCM connector.

2. Inspect the following wiring harnesses for open or short (continuity check).

Fig. 10: Identifying Throttle Body Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Intake-Air System (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:05:41 AM

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© 2005 Mitchell Repair Information Company, LLC.

Fig. 11: Identifying PCM Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.

Open circuit



If there is no continuity, the circuit is open. Repair or replace the wiring harness.



Throttle body terminal A and PCM terminal 2BO



Throttle body terminal B and PCM terminal 2BR

Short circuit



If there is continuity, the circuit is shorted. Repair or replace the wiring harness.



Throttle body terminal A and power supply



Throttle body terminal A and ground



Throttle body terminal B and power supply



Throttle body terminal B and ground

ACCELERATOR PEDAL REMOVAL/INSTALLATION [MZI-3.7]

1. Disconnect the negative battery cable. (See BATTERY REMOVAL/INSTALLATION [MZI-3.7] .)

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

REMOVAL/INSTALLATION .)

3. Remove in the order indicated in the table.

Fig. 12: Identifying Accelerator Pedal, Connector & Torque Specification
Courtesy of MAZDA MOTORS CORP.

4. Install in the reverse order of removal.

2008 Mazda CX-9 Grand Touring

2008 ENGINE PERFORMANCE Intake-Air System (MZI-3.7) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:05:41 AM

Page 10

© 2005 Mitchell Repair Information Company, LLC.