POWER WINDOW SUBSWITCH INSPECTION

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Auto-open/close Function For All Windows

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the power window subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION.)

3.  Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

4.  Connect the power window subswitch connector.

5.  Measure the voltage at each terminal.

•  If the voltage is not as specified in the terminal voltage table, inspect the parts under “Inspection item(s)” and related wiring harnesses.
?  If the system does not work properly even though the inspection items or related wiring harnesses do not have any malfunction, replace the power window subswitch.


Terminal voltage table (reference)

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Terminal

Signal name

Connected to

Measurement condition

Voltage (V)

Inspection item (s)
A
Serial communication
Power window main switch
Because this terminal is for communication, integrity determination by terminal voltage is not possible
•  Power window subswitch
•  Related wiring harness
C
Power supply (passenger's side)
P.WINDOW2 25 A fuse
Under any condition
B+
•  P.WINDOW2 25 A fuse
•  Related wiring harness
Power supply (LR/RR)
P.WINDOW3 30 A fuse
Under any condition
B+
•  P.WINDOW3 30 A fuse
•  Related wiring harness
D
Pulse 2
Power window motor
Door glass operating
Wave pattern
(See Inspection using an oscilloscope (reference).)
•  Power window motor
•  Related wiring harness
F
Pulse 1
Power window motor
Door glass operating
Wave pattern
(See Inspection using an oscilloscope (reference).)
•  Power window motor
•  Related wiring harness
H
Close output
Power window motor
Door glass closing
B+
•  Power window motor
•  Related wiring harness
While door glass is closing for approx. 40 s after ignition is switched OFF (LOCK) from ON
B+
Other
1.0 or less
I
Open output
Power window motor
Door glass opening
B+
•  Power window motor
•  Related wiring harness
While door glass is opening for approx. 40 s after ignition is switched OFF (LOCK) from ON
B+
Other
1.0 or less
J
Power supply
Power window motor
While the ignition is switched ON (engine on or off) or approx.
40 s after ignition switched OFF (LOCK) from ON
B+
•  Power window motor
•  Related wiring harness
Switch the ignition OFF (LOCK)
1.0 or less
K
GND
Body ground
Under any condition
1.0 or less
•  Related wiring harness
L
Sensor ground
Power window motor
Under any condition
1.0 or less
•  Power window motor
•  Related wiring harness


Inspection using an oscilloscope (reference)

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•  Terminal:
D, F(+) ? ground (-)
•  Oscilloscope setting: 2 V/DIV (Y), 1 ms/DIV (X), DC range


Auto-open/close Function for Driver-side

1.  Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION.)

2.  Remove the power window subswitch. (See POWER WINDOW SUBSWITCH REMOVAL/INSTALLATION.)

3.  Verify that the continuity between the power window subswitch terminals is as indicated in the table.

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•  If not as indicated in the table, replace the power window subswitch.
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