Mazda CX-9 Grand Touring. Manual — part 538

DTC B2699 [POWER LIFTGATE (PLG) SYSTEM]

DTC B2699 - DETECTION CONDITION POSSIBLE CAUSE CHART



Is the wiring harness normal?

2

INSPECT WIRING HARNESS
BETWEEN LIFTGATE LATCH AND
LOCK ACTUATOR AND BODY
GROUND



Inspect the wiring harness between
liftgate latch and lock actuator terminal
C and body ground.



Is the wiring harness normal?

Yes

Replace the liftgate latch and lock actuator.
(See LIFTGATE LATCH AND LOCK
ACTUATOR
REMOVAL/INSTALLATION .)
Go to the next step.

No

Repair or replace the wiring harness.

Go to the next step.

3

VERIFY CORRECTION COMPLETED



Reconnect the disconnected connector.



Clear the DTC.



Operate the PLG system. (Open
operation)



Is DTC B267C stored?

Yes

Replace the PLG control module.
(See POWER LIFTGATE (PLG)
CONTROL MODULE
REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B2699

PLG touch sensor (LH) circuit malfunction

DETECTION

CONDITION

Open circuit is detected in the PLG touch sensor (LH)

POSSIBLE CAUSE



Short to power supply circuit in wiring harness between PLG control module
terminal 3B and PLG touch sensor (LH) terminal B



Open circuit in wiring harness between PLG control module terminal 3B and
PLG touch sensor (LH) terminal B



Short to power supply circuit in wiring harness between PLG control module
terminal 2D and PLG touch sensor (LH) terminal A



Open circuit in wiring harness between PLG control module terminal 2D and
PLG touch sensor (LH) terminal A



PLG touch sensor malfunction



PLG control module malfunction

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

Page 28

© 2005 Mitchell Repair Information Company, LLC.

DIAGNOSTIC PROCEDURE

DTC B2699 - DIAGNOSTIC PROCEDURE

STEP

INSPECTION

ACTION

1

INSPECT PLG TOUCH SENSOR (LH)



Inspect the PLG touch sensor (LH).

(See POWER LIFTGATE (PLG)
TOUCH SENSOR INSPECTION .)



Is the touch sensor normal?

Yes Go to the next step.

No

Replace the PLG touch sensor (LH).

(See POWER LIFTGATE (PLG)

TOUCH SENSOR

REMOVAL/INSTALLATION .)

Go to Step 4.

2

INSPECT WIRING HARNESS BETWEEN
PLG CONTROL MODULE AND PLG
TOUCH SENSOR (LH)



Inspect the wiring harness between PLG
control module terminal 3B and PLG
touch sensor (LH) terminal B for an open
circuit/short circuit to power supply
system.



Is the wiring harness normal?

Yes Go to the next step.

No

Repair or replace the wiring harness.

Go to Step 4.

3

INSPECT WIRING HARNESS BETWEEN
PLG CONTROL MODULE AND PLG
TOUCH SENSOR (LH)



Inspect the wiring harness between PLG
control module terminal 2D and PLG

Yes Go to the next step.

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

Page 29

© 2005 Mitchell Repair Information Company, LLC.

DTC B2700 [POWER LIFTGATE (PLG) SYSTEM]

DTC B2700 - DETECTION CONDITION POSSIBLE CAUSE CHART

touch sensor (LH) terminal A for an open
circuit/short circuit to power supply
system.



Is the wiring harness normal?

No

Repair or replace the wiring harness.

Go to the next step.

4

VERIFY CORRECTION COMPLETED



Reconnect the disconnected connector.



Clear the DTC.



Is DTC B2669 stored after 1 min or more
have elapsed?

Yes

Replace the PLG control module.
(See POWER LIFTGATE (PLG) DRIVE
UNIT REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B2700

PLG touch sensor (RH) circuit malfunction

DETECTION

CONDITION

Open circuit is detected in the PLG touch sensor (RH)

POSSIBLE CAUSE



Short to power supply circuit in wiring harness between PLG control module
terminal 3A and PLG touch sensor (RH) terminal B



Open circuit in wiring harness between PLG control module terminal 3A and
PLG touch sensor (RH) terminal B



Short to power supply circuit in wiring harness between PLG control module
terminal 2D and PLG touch sensor (RH) terminal A



Open circuit in wiring harness between PLG control module terminal 2D and
PLG touch sensor (RH)terminal A



PLG touch sensor malfunction



PLG control module malfunction

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

Page 30

© 2005 Mitchell Repair Information Company, LLC.

DIAGNOSTIC PROCEDURE

DTC B2700 - DIAGNOSTIC PROCEDURE

DTC B2701 [POWER LIFTGATE (PLG) SYSTEM]

DTC B2701 - DETECTION CONDITION POSSIBLE CAUSE CHART

STEP

INSPECTION

ACTION

1

INSPECT PLG TOUCH SENSOR (RH)



Inspect the PLG touch sensor (RH).

(See POWER LIFTGATE (PLG)
TOUCH SENSOR INSPECTION .)



Is the touch sensor normal?

Yes Go to the next step.

No

Replace the PLG touch sensor (RH).

(See POWER LIFTGATE (PLG) TOUCH

SENSOR

REMOVAL/INSTALLATION .)

Go to Step 4.

2

INSPECT WIRING HARNESS BETWEEN
PLG CONTROL MODULE AND PLG
TOUCH SENSOR (RH)



Inspect the wiring harness between PLG
control module terminal 3A and PLG
touch sensor (RH) terminal B for an open
circuit/short circuit to power supply
system.



Is the wiring harness normal?

Yes Go to the next step.

No

Repair or replace the wiring harness.

Go to Step 4.

3

INSPECT WIRING HARNESS BETWEEN
PLG CONTROL MODULE AND PLG
TOUCH SENSOR (RH)



Inspect the wiring harness between PLG
control module terminal 2D and PLG
touch sensor (RH) terminal A for an open
circuit/short circuit to power supply
system.



Is the wiring harness normal?

Yes Go to the next step.

No

Repair or replace the wiring harness.

Go to the next step.

4

VERIFY CORRECTION COMPLETED



Reconnect the disconnected connector.



Clear the DTC.



Is DTC B2700 stored after 1 min or more
have elapsed?

Yes

Replace the PLG control module.
(See POWER LIFTGATE (PLG)
CONTROL MODULE
REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B2701

PLG touch sensor (LH) circuit malfunction

DETECTION

A short circuit to ground in the PLG touch sensor (LH) continues for 5 min or more

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

Page 31

© 2005 Mitchell Repair Information Company, LLC.