Power Window System
S-9
Check of the main switch of window regulator
At the driver side
Attention: Pins 1A (1M), 1B, 1C (1K), 1D, 1J and 1L correspond to the occupant side or the rear row.
1. Remove the main switch of power window (See——Disassembly/Assembly of Main Switch of Power
Window);
2. Connect the main switch plug of power window;
3. Measure the pin voltage of power window main switch listed in the following table;
4. Disconnect the main switch plug of power window, and then check the continuity of pins 1H, 2B and 2C;
5. If non-conform to the specified range, check the components listed under the column “Check Positions”
and the wiring harnesses, to which they are connected;
6. If the components and their wiring harnesses are all in order, but the system does not work properly,
replace the main switch of power window.
Pin Voltage Table (For reference) B+: Positive voltage of battery
Pin Signal Connection Test condition Voltage(V)/Continuity
Check
position
IF Power supply
Fuse P/WIND
30A
Ignition switch in the ON
position
B+
Fuse
P/WIND
30A
Ignition switch in the LOCK
position
0
1H Grounding GND
Constant: check the continuity
of grounding
yes -
1I - Not used - - -
1K(1C)
Output ON PW motor
Window glass opened 0
PW motor
Window glass closed B+
1K(1A)
Output OFF PW motor Window glass opened B+
PW motor
Window glass closed 0
1N - Not used - - -
2A
Power
supply(pulse)
PW motor
Ignition switch in the ON
position
5
PW motor
Ignition switch in the LOCK
position
0
2B
Limiter switch
ON/OFF
Limiter switch
All doors opened (limiter
switch On); check whether the
Pin 2C is in continuity?
Yes
Limiter
switch
All doors closed (limiter
switch Off); check whether the
Pin 2C is in continuity?
No
2C Grounding PW regulator
Constant: check the continuity
to the grounding
Yes -
2D Pulse PW motor Window glass is moving 0 – 5
PW motor
Window glass doesn’t move 0 or 5
(): - General specification (left side steering wheel)
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