Mazda CX-9 Grand Touring. Manual - part 536

DIAGNOSTIC PROCEDURE 

DTC B266E - DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

INSPECT WIRING HARNESS 
BETWEEN PLG CONTROL UNIT 
AND PLG DRIVE UNIT  

 

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 20 

© 2005 Mitchell Repair Information Company, LLC. 

1



Disconnect the PLG control module 
connector.  



Disconnect the PLG drive unit 
connector.  



Inspect for continuity between the 
following wiring harnesses: 



PLG control module terminal 
1E and PLG drive unit terminal 
A  



PLG control module terminal 
1F and PLG drive unit terminal 
B  



PLG control module terminal 
2J and PLG drive unit terminal 
F  



PLG control module terminal 
2L and PLG touch sensor (LH) 
J  



Is the wiring harness normal?  

Yes Go to the next step.

No

Repair or replace the wiring harness. 

Go to Step 5.

2

INSPECT PLG ARM  



Inspect the PLG arm for the 
following: 



Is the ball joint dislocated or is 
there excessive play?  



Is the PLG arm normal?  

Yes Go to the next step.

No

Replace the PLG arm. 

(See POWER LIFTGATE (PLG) ARM 

REMOVAL/INSTALLATION .)

3

INSPECT PLG SLIDER  



Inspect the PLG slider for the 
following: 



Is the PLG slider spinning?  



Is the PLG slider normal?  

Yes Go to the next step.

No

Replace the PLG slider. 

(See POWER LIFTGATE (PLG) DRIVE 

UNIT REMOVAL/INSTALLATION .)

4

INSPECT TORQUE cable  



Inspect the torque cable for the 
following: 



Is the torque cable 
disconnected?  



Is the torque cable normal?  

Yes Go to the next step.

No

Replace the PLG slider. 

(See POWER LIFTGATE (PLG) DRIVE 

UNIT REMOVAL/INSTALLATION .)

VERIFY CORRECTION COMPLETED
 



Reconnect the disconnected 
connector.  

Yes

Replace the PLG control module. 
(See POWER LIFTGATE (PLG) CONTROL 

 

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 21 

© 2005 Mitchell Repair Information Company, LLC. 

DTC B267A [POWER LIFTGATE (PLG) SYSTEM] 

DTC B267A - DETECTION CONDITION POSSIBLE CAUSE CHART 

5



Clear the DTC.  



Operate the PLG system.  



Is DTC B266E stored?  

MODULE REMOVAL/INSTALLATION .)

No

DTC troubleshooting completed.

DTC B267A

Half latch switch circuit malfunction

DETECTION 

CONDITION 

The voltage input to the half latch switch does not change while the PLG system is 
operating.

POSSIBLE CAUSE 



Open circuit in wiring harness between PLG control module terminal 3H and 
liftgate latch and lock actuator terminal B  



Short to GND in wiring harness between PLG control module terminal 3H and 
liftgate latch and lock actuator terminal B  



Open circuit in wiring harness between liftgate latch and lock actuator terminal 
C and body GND  



Half latch switch 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 22 

© 2005 Mitchell Repair Information Company, LLC. 

DIAGNOSTIC PROCEDURE 

DTC B267A - DIAGNOSTIC PROCEDURE 

STEP

INSPECTION

ACTION

1

INSPECT WIRING HARNESS BETWEEN 
PLG CONTROL UNIT AND LIFTGATE 
LATCH AND LOCK ACTUATOR  



Disconnect the PLG control module 
connector.  



Disconnect the liftgate latch and lock 
actuator connector.  



Inspect the wiring harness between PLG 
control module terminal 3H and liftgate 
latch and lock actuator terminal B for an 
open circuit/short circuit to ground 
system.  

Yes Go to the next step.

No

Repair or replace the wiring harness. 

Go to Step 3.

 

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 23 

© 2005 Mitchell Repair Information Company, LLC.