POWER WINDOW MAIN SWITCH INSPECTION

BME091266350W04

Driver's side

1. Remove the power window main switch panel.

2. Connect the power window main switch connector.

3. Measure the voltage at the power window main switch terminals as indicated below.

4. Disconnect the power window main switch connector before inspecting for continuity at terminals 1H and 2C.

• If the parts and wiring harnesses are okay but the system still does not work properly, replace the power window main switch.
• If not as specified, inspect the parts listed under "Action."

Terminal voltage table (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

1A
(1M)
Close output
Power window motor
Door glass is open
Below 1.0
• Inspect power window motor
• Inspect related harness
Door glass is closed
B+
1C
(1K)
Open output
Power window motor
Door glass is open
B+
• Inspect power window motor
• Inspect related harness
Door glass is closed
Below 1.0
1F
IG1
P.WIND 30 A fuse
Ignition switch is at ON position
B+
• Inspect P.WIND 30 A fuse
• Inspect related harness
Ignition switch is at LOCK position
Below 1.0
1H
Ground
GND
Inspect for continuity to ground under any condition
Yes
-
1I
Power supply
ACC.DELAY 30 A fuse
Under any condition
B+
• Inspect ACC.DELAY 30 A fuse
• Inspect related harness
1N
Door switch
Door switch
Any door is open (door switch is on): inspect for continuity to ground
Yes
• Inspect door switch
• Inspect related harness
All doors are closed (door switch is off): inspect for continuity to ground
No
2B
Limit switch on/off
Power window motor
Door glass is opened fully (limit switch is on)
0
• Inspect power window motor
• Inspect related harness
Door glass is closed fully (limit switch is off)
5
2C
Ground
Power window motor
Inspect for continuity to ground under any condition
Yes
-
2D
Pulse
Power window motor
Door glass is in motion
Alternates between 0 and 5
• Inspect power window motor
• Inspect related harness
Door glass is not in motion
0 or 5

() :
R.H.D.

Except driver's side

1. Remove the power window main switch.

2. Turn the power-cut switch to UNLOCK.

3. Inspect for continuity between the power window main switch terminals using an ohmmeter.

• If not as specified, replace the power window main switch.