POWER WINDOW MAIN SWITCH INSPECTION


BHE091266330W02

Driver's side

1. Measure voltage or inspect for continuity according to the Terminal Voltage Table (Reference).

• If the voltage is not as specified in the Terminal Voltage Table (Reference), inspect the parts under "Inspection item (s)".

2. If the system does not work properly even though the parts or related wiring harnesses do not have any malfunction, perform symptom troubleshooting.

Terminal voltage list (Reference)

Terminal

Signal

Connected to

Test condition

Voltage (V)/Continuity

Action

A
Close output
Power window motor
While door glass is opening
Below 1.0
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
While door glass is closing
B+
B
Door switch
Door switch
Any door is open (door switch is on): inspect for continuity to ground
Yes
• Inspect door switch (See DOOR SWITCH INSPECTION.)
• Inspect rear door upper latch switch (See REAR DOOR UPPER LATCH SWITCH INSPECTION.)
• Inspect rear door lower latch switch (See REAR DOOR LOWER LATCH SWITCH INSPECTION.)
• Inspect related harness
All doors are closed (door switch is off): inspect for continuity to ground
No
C
Power supply
Power window motor
Under any condition
B+
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
E
Power supply
P. WIND 30 A fuse
Under any condition
B+
• P. WIND 20 A fuse
• Inspect related harness
K
Ground
GND
Under any condition: inspect for continuity to ground
Yes
• Inspect GND
M
Ground
Power window motor
Under any condition: inspect for continuity to ground
Yes
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
N
IG1
P. WIND 20 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
O
Pulse 1
Power window motor
Door glass is in motion
Alternates between 0 and B+
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
Door glass is not in motion
0 or B+
P
Pulse 2
Power window motor
Door glass is in motion
Alternates between 0 and B+
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
Door glass is not in motion
0 or B+
Q
Open output
Power window motor
While door glass is opening
B+
• Power window motor (See POWER WINDOW MOTOR INSPECTION.)
• Inspect related harness
While door glass is closing
Below 1.0

Except driver's side

1. Turn the power-cut switch to UNLOCK.

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

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