Mazda CX-9 Grand Touring. Manual — part 531

Fig. 26: Identifying Front Parking Brake Cable And Tab
Courtesy of MAZDA MOTORS CORP.

PARKING BRAKE SWITCH INSPECTION

1. Disconnect the parking brake switch connector.

2. Verify that the continuity is as indicated in the table.



If not as indicated in the table, replace the parking brake switch. (See PARKING BRAKE
REMOVAL/INSTALLATION [2WD].) (See PARKING BRAKE
REMOVAL/INSTALLATION [AWD].)

Fig. 27: Connector Terminal Reference
Courtesy of MAZDA MOTORS CORP.

Fig. 28: Identifying Parking Brake Switch Connector Terminal
Courtesy of MAZDA MOTORS CORP.

2008 Mazda CX-9 Grand Touring

2008 BRAKES Parking Brake System - Mazda CX-9

Microsoft

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2008 BODY & ACCESSORIES

On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

FOREWORD [POWER LIFTGATE (PLG) SYSTEM]

OUTLINE



The OBD (on-board diagnostic) system has the following functions:



Malfunction detection function: Detects malfunctions in the power liftgate (PLG) system and
outputs DTCs.



Data monitor function: Reads out specific input/output signals and the system status.



Diagnostic DTCs can be read/cleared using the M-MDS.

SYSTEM WIRING DIAGRAM [POWER LIFTGATE (PLG) SYSTEM]

Fig. 1: Power Liftgate (PLG) System Wiring Diagram
Courtesy of MAZDA MOTORS CORP.

DTC INSPECTION [POWER LIFTGATE (PLG) SYSTEM]

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

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1. Connect the M-MDS to the DLC-2.

2. After the vehicle is identified, select the following items from the initialization screen of the M-MDS.



When using the IDS (laptop PC)

1. Select "Self Test".

2. Select "Modules".

3. Select "LTM".



When using the PDS (Pocket PC)

1. Select "Module Tests".

2. Select "LTM".

3. Select "Self Test".

3. Verify the DTC according to the directions on the screen.



If any DTCs are displayed, perform troubleshooting according to the corresponding DTC
inspection.

Fig. 2: Identifying DLC-2 Location
Courtesy of MAZDA MOTORS CORP.

4. After completion of repairs, clear all DTCs stored in the PLG control module. (See CLEARING DTC

[POWER LIFTGATE (PLG) SYSTEM].)

DTC TABLE [POWER LIFTGATE (PLG) SYSTEM]

DTC CHART

CAUTION:



Some of the PLG system DTCs cannot be stored unless the PLG
system is operated. Therefore, always operate the PLG system before
performing the DTC inspection.

DTC

Description

Page

B1311

Door lock-link switch
circuit (unlock) failure

(See DTC B1311 [POWER LIFTGATE (PLG) SYSTEM].)

B1318

Power supply voltage
decreases

(See DTC B1318 [POWER LIFTGATE (PLG) SYSTEM].)

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

Microsoft

Sunday, November 15, 2009 10:46:08 AM

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© 2005 Mitchell Repair Information Company, LLC.

B1342

PLG control module
internal malfunction

(See DTC B1342 [POWER LIFTGATE (PLG) SYSTEM].)

B241A

PLG touch sensor circuit
malfunction

(See DTC B241A [POWER LIFTGATE (PLG) SYSTEM].)

B266A

Rotation sensor circuit
malfunction

(See DTC B266A [POWER LIFTGATE (PLG) SYSTEM].)

B266B

Rotation sensor A circuit
malfunction

(See DTC B266B [POWER LIFTGATE (PLG) SYSTEM].)

B266C

Rotation sensor B circuit
malfunction

(See DTC B266C [POWER LIFTGATE (PLG) SYSTEM].)

B266E

Rotation sensor
malfunction

(See DTC B266E [POWER LIFTGATE (PLG) SYSTEM].)

B267A

Half latch switch circuit
malfunction

(See DTC B267A [POWER LIFTGATE (PLG) SYSTEM].)

B267B

Full latch switch circuit
malfunction

(See DTC B267B [POWER LIFTGATE (PLG) SYSTEM].)

B267C

Return switch circuit
malfunction

(See DTC B267C [POWER LIFTGATE (PLG) SYSTEM].)

B2699

PLG touch sensor (LH)
circuit malfunction

(See DTC B2699 [POWER LIFTGATE (PLG) SYSTEM].)

B2700

PLG touch sensor (RH)
circuit malfunction

(See DTC B2700 [POWER LIFTGATE (PLG) SYSTEM].)

B2701

PLG touch sensor (LH)
circuit malfunction

(See DTC B2701 [POWER LIFTGATE (PLG) SYSTEM].)

B2702

PLG touch sensor (RH)
circuit malfunction

(See DTC B2702 [POWER LIFTGATE (PLG) SYSTEM].)

B2821

Closure motor circuit
malfunction

(See DTC B2821 [POWER LIFTGATE (PLG) SYSTEM].)

B2936

PLG motor circuit
malfunction

(See DTC B2936 [POWER LIFTGATE (PLG) SYSTEM].)

B2937

PLG motor circuit
malfunction

(See DTC B2937 [POWER LIFTGATE (PLG) SYSTEM].)

B2939 Clutch circuit malfunction (See DTC B2939 [POWER LIFTGATE (PLG) SYSTEM].)

U0073 Unit communication error

(See PROCEDURES FOR DETERMINING THE LOCATION
OF A MALFUNCTION [MULTIPLEX COMMUNICATION
SYSTEM] .)

U0100

Communication error to
PCM

U0101

Communication error to
TCM

U0140

Communication error to
BCM

U0155

Communication error to
instrument cluster

U0214

Communication error to
keyless control module

2008 Mazda CX-9 Grand Touring

2008 BODY & ACCESSORIES On-Board Diagnostic (Power Liftgate (PLG) System) - Mazda CX-9

Microsoft

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