Mazda 6. Manual - part 308

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TROUBLESHOOTING [POWER WINDOW SYSTEM] 

NO. 2 DRIVER-SIDE FRONT WINDOW DOES NOT REVERSE, EVEN WHEN ENCOUNTERING A FOREIGN 
OBJECT IN ITS PATH

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Diagnostic procedure

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2

Driver-side front window does not reverse, even when encountering a foreign object in its path.

POSSIBLE 

CAUSE

• Automatic window return range did not reset after battery disconnect: Step 2

STEP

INSPECTION

ACTION

1

CHECK FOR CUSTOMER COMPLAINT

• Did customer complain that driver-side front 

window did not reverse when nearing 
complete close?

Yes

• System normal.

• Explain to customer that automatic window return power 

window system does not operate when nearing of 
complete close.

No

Go to next step.

2

RESET REVERSE AREA STORED IN 
DRIVER-SIDE FRONT WINDOW MOTOR

• Reset the main switch to recognize driver-

side front window fully closed position.

• Did malfunction disappear?

Yes

• Troubleshooting completed.

• Explain to customer that misadjustment of automatic 

window return range was the problem.

No

Replace power window main switch.

TROUBLESHOOTING [POWER WINDOW SYSTEM] 

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NO. 3 DRIVER-SIDE FRONT WINDOW REVERSES EVEN THOUGH THE GLASS DOES NOT ENCOUNTER A 
FOREIGN OBJECT WHILE IT IS GOING UP IN AUTOMATIC MODE

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Diagnostic procedure

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3

Driver-side front window reverses even though the glass does not encounter a foreign object while 
it is going up in automatic mode.

POSSIBLE 

CAUSE

• Too much driver-side front window friction resistance: Steps 1–5 

• Short to ground in position sensor 1 signal from wiring harness (between power window main switch 

and driver-side front power window motor), inner driver-side front power window motor, or inner power 
window main switch: Steps 6, 7

STEP

INSPECTION

ACTION

1

INSPECT FOR FOREIGN OBJECT IN DRIVER-
SIDE FRONT WINDOW

• Is there a foreign object in driver-side front 

window? 

Yes

Remove the object.

No

Go to next step.

2

INSPECT ACRYLIC VISOR BRACKET 
INSTALLATION

• Is acrylic visor bracket properly installed?

Yes

Go to next step.

No

Reinstall acrylic visor bracket properly.

3

INSPECT TO SEE IF GLASS RUN CHANNEL 
INTERFERES WITH DRIVER-SIDE FRONT 
WINDOW

• Remove driver-side front door trim.

• Does glass run channel interfere with driver-

side front window?

Yes

Repair or replace glass run channel, then go to Step 9.

No

Go to next step.

4

INSPECT LUBRICANT ON DRIVER-SIDE 
CARRIER PLATE

• Is there lubricant on driver-side carrier plate? 

Yes

Go to next step.

No

Apply lubricant (mineral oil).

5

INSPECT INSTALLATION OF DRIVER-SIDE 
FRONT POWER WINDOW SYSTEM 
COMPONENTS

• Are the following parts properly installed? 

— Driver-side front door glass
— Driver-side power window motor wire 
— Driver-side power window motor 
— Driver-side power window regulator frame
— Driver-side carrier plate
— Driver-side glass run channel

Yes

Go to next step.

No

Reinstall part(s) properly, then go to Step 9. 

6

VERIFY POSITION SENSOR 1 OUTPUT 
SIGNAL

• Turn ignition switch to ON position.

• Test voltage at driver-side front power 

window motor connector terminal H (position 
sensor 1 signal). 

• Is voltage alternate between 0 V and 

approximately 12 V when driver-side front 
window is being gone up and down at 
manual mode? 

Yes

Go to next step.

No

Replace driver-side front power window motor, then go to 
Step 8.

7

VERIFY WHETHER MALFUNCTION IS IN 
WIRING HARNESS (BETWEEN POWER 
WINDOW MAIN SWITCH AND DRIVER-SIDE 
FRONT POWER WINDOW MOTOR) OR 
POWER WINDOW MAIN SWITCH

• Turn ignition switch to LOCK position.

• Disconnect power window main switch. 

• Is there continuity between power window 

main switch connector terminal 2C (position 
sensor 1 signal) and ground?

Yes

Repair wiring harness between power window main switch 
and driver-side front power window motor, then go to next 
step.

No

Replace power window main switch (short to ground in 
power window main switch), then go to next step.

8

RECHECK MALFUNCTION SYMPTOM AFTER 
REPAIR

• Did malfunction disappear?

Yes

• Troubleshooting completed.

• Explain repairs to customer.

No

Recheck malfunction symptoms, then repeat from Step 1 if 
malfunction recurs.

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TROUBLESHOOTING [KEYLESS ENTRY SYSTEM] 

FOREWORD

A6E778269000W01

• Go to troubleshooting after identifying the specific malfunction by doing a keyless entry system preliminary 

inspection.

Flowchart

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TROUBLESHOOTING [KEYLESS ENTRY SYSTEM]

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TROUBLESHOOTING [KEYLESS ENTRY SYSTEM] 

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S

KEYLESS ENTRY SYSTEM CHECK SHEET

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• Use the sheet below as a customer interview sheet when accepting a vehicle for service.

• If the symptom is “Power door lock system does not operate with transmitter at all,” find out how the customer 

uses the keyless entry system by following the check sheet below.

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KEYLESS ENTRY SYSTEM PRELIMINARY INSPECTION

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• Perform the following preliminary inspection before troubleshooting.

A6E7782W001

STEP

INSPECTION

ACTION

1

• Is system an after-market one?

Yes

Perform troubleshooting according to after-market keyless 
entry system manual.

No

Go to next step.

2

• Did customer activate keyless entry system 

when ignition switch was in LOCK position?

Yes

Go to next step.

No

• Explain to customer that system does not work when 

ignition is in ON position.

• Turn ignition switch to LOCK position, then go to next 

step.