POWER WINDOW MAIN SWITCH INSPECTION

id091200419000

Driver's side

1. Remove the driver-side front door trim.

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 1M (1J*2) and 1F (1L*2).

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

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

1B
1N*1
1F*2
Open output
Power window motor
While door glass is opening
B+
• Power window motor
• Inspect related harness
While door glass is closing
Below 1.0
1D
1L*1
Close output
Power window motor
While door glass is opening
Below 1.0
• Power window motor
• Inspect related harness
While door glass is closing
B+
1F
1L*2
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
1H
1B*2
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
1J
1H*2
Power supply
P. WIND 20 A fuse
Under any condition
B+
• P. WIND 20 A fuse
• Inspect related harness
1M
1J*2
Ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
2A
Ground
Power window motor
Under any condition: inspect for continuity to ground
Yes
• Power window motor
• Inspect related harness
2B
Pulse 2
Power window motor
Door glass is in motion
Alternates between 0 and B+
• Power window motor
• Inspect related harness
Door glass is not in motion
0 or B+
2C
Pulse 1
Power window motor
Door glass is in motion
Alternates between 0 and B+
• Power window motor
• Inspect related harness
Door glass is not in motion
0 or B+
2D
Power supply
Power window motor
Under any condition
B+
• Power window motor
• Inspect related harness

*1 :
With rear power window system (L.H.D.)
*2 :
Without rear power window system (L.H.D.)

Except driver's side

1. Turn the power-cut switch to UNLOCK.

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

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