POWER WINDOW MAIN SWITCH INSPECTION [POWER RETRACTABLE HARDTOP]


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1.  Measure the voltage at each terminal (other than terminal A, H and G).

•  If the voltage is not as specified in the terminal voltage table, inspect the parts under “Inspection item (s)” and related wiring harnesses.

2.  Remove the battery cover.

3.  Disconnect the negative battery cable.(See BATTERY REMOVAL/INSTALLATION [L8, LF].)

4.  Inspect the power window main switch connector for continuity at terminal G.

5.  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 main switch.

Terminal

Signal name

Connected to

Measured condition

Voltage (V)/Continuity

Inspection item (s)

A
Communication
Power retractable hardtop control module
Instant when door glass open operation is completed after RHT switch is pressed
1.0 or less (See Reference.)
•  Power retractable hardtop control module
•  Related wiring harnesses
Other
B+
B
IG 1
P.WIND 20 A fuse
Ignition switch is at ON position
B+
•  Inspect P.WIND 20 A fuse
•  Related wiring harnesses
Ignition switch is at LOCK position
1.0 or less
D
Close output
Power window motor (RH)
While door glass is opening
1.0 or less
•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)
•  Related wiring harnesses
While door glass is closing
B+
F
Open output
Power window motor (RH)
While door glass is opening
B+
•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)
•  Related wiring harnesses
While door glass is closing
1.0 or less
G
GND
Body ground
Under any condition : Inspect for continuity to ground
Continuity detected
•  GND
H
Communication
Power retractable hardtop control module
While RHT switch is pressed
1.0 or less
•  Power retractable hardtop control module
•  Related wiring harnesses
While RHT switch is not pressed
B+
I
Close output
Power window motor (LH)
While door glass is opening
1.0 or less
•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)
•  Related wiring harnesses
While door glass is closing
B+
J
Open output
Power window motor (LH)
While door glass is opening
B+
•  Power window motor (See POWER WINDOW MOTOR INSPECTION.)
•  Related wiring harnesses
While door glass is closing
1.0 or less

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Reference

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•  Terminal connected: A (+) — Body ground
•  Oscilloscope setting: 2 V/DIV (Y): 500 ms/DIV (X), DC range
•  Measurement condition: RHT switch is pressed