Mazda 6 2002 Workshop Manual page 843

TROUBLESHOOTING [POWER WINDOW SYSTEM]
STEP
7 VERIFY WHETHER MALFUNCTION IS IN
POWER WINDOW MAIN SWITCH OR
ELSEWHERE
• Turn ignition switch to ON position.
• Test voltage at power window main switch
connector terminal 2B (position sensor 2
signal).
• Does voltage alternate between 0 V and
approimately 12 V when driver-side front
window is being gone up down?
8 VERIFY POSITION SENSOR 2 OUTPUT
SIGNAL
• Turn ignition switch to ON position.
• Test voltage at driver-side front power
window motor connector terminal G (position
sensor 2 signal).
• Is voltage alternate between 0 V and
approimately 12 V when driver-side front
window is being gone up down?
9 VERIFY WHETHER MALFUNCTION IS IN
WIRING HARNESS (BETWEEN POWER
WINDOW MAIN SWITCH AND DRIVER-SIDE
FRONT POWER WINDOW MOTOR) OR
ELSEWHERE
• Turn ignition switch to LOCK position.
• Disconnect power window main switch
connector and driver-side front power
window motor connector.
• Is there continuity between power window
main switch connector terminal 2B (position
sensor 2 signal) and driver-side front power
window motor connector terminal G (position
sensor 2 signal)?
10 VERIFY WHETHER MALFUNCTION IS IN
WIRING HARNESS (BETWEEN POWER
WINDOW MAIN SWITCH AND DRIVER-SIDE
FRONT POWER WINDOW MOTOR) OR
ELSEWHERE
• Is there continuity between power window
main switch connector terminal 2B (position
sensor 2 signal) and ground?
11 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 ON position.
• Measure voltage at power window main
switch connector terminal 2B (position
sensor 2 signal).
• Is voltage approimately 12 V?
12 RECHECK MALFUNCTION SYMPTOM AFTER
REPAIR
• Did malfunction disappear?
End Of Sie
INSPECTION
Yes Replace power window main switch. (malfunction in power
window main switch automatic mode control), then go to
Step 11.
No Go to net step.
Yes Go to net step.
No Replace driver-side front power window motor, then go to
Step 12.
Yes Go to net step.
No Repair wiring harness between power window main switch
and driver-side front power window motor, then go to Step
12.
Yes Repair wiring harness between power window main switch
and driver-side front power window motor, then go to Step
12.
No Go to net step.
Yes Repair wiring harness between power window main switch
and front driver-side power window motor, then go to net
step.
No Replace power window main switch (open or short to B+/
ground in power window main switch), then go to net step.
Yes • Troubleshooting completed.
• Eplain repairs to customer.
No Recheck malfunction symptoms, then repeat from Step 1 if
malfunction recurs.
ACTION
S–125
S