Lexus NX: Power Window Control System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Customize Parameters
- Initialization
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Power Window Motor Malfunction (B2311)
- Power Window Switch Malfunction (B2312)
- Glass Position Initialization Incomplete (B2313)
- Remote Up / Down Function does not Operate
- Driver Side Power Window does not Operate with Power Window Master Switch
- Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch
- Rear Power Window RH does not Operate with Rear Power Window Switch RH
- Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch
- Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch
- Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH
- Rear Power Window RH Auto Up / Down Function does not Operate with Rear Power Window Switch RH
- All Power Windows do not Operate with Driver Side Door Key Cylinder or Wireless Transmitter
- Key-off Operation Function Operates even if Operating Conditions are not Satisfied
- Auto Up Operation does not Fully Close Power Window (Jam Protection Function is Activated)
- Auto Down Operation does not Fully Open Power Window (Catch Protection Function is Activated)
- Jam Protection Function does not Operate
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Precaution
PRECAUTION POWER WINDOW CONTROL SYSTEM PRECAUTIONS NOTICE:
The power window control system uses the LIN communication system and CAN communication system. Inspect the communication function by foll
Parts Location
PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *2 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH *3 FRONT DOOR LOCK ASSEMBLY LH *4 POWER WINDOW REGULATOR
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiving ECU Signal Communication Method Multiplex Network Master Switch Assembly Front Power Window Regulator Motor Assembly LH
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If a warning light turns on or a warning
buzzer sounds
Calmly perform the following actions if any of the warning lights comes
on or
flashes. If a light comes on or flashes, but then goes off, this does not
necessarily
indicate a malfunction in the system. However, if this continues to occur,
have the vehicle inspected by your Lexus dealer.
Acti
Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WIPER ARM HEAD CAP (a) Using a screwdriver, detach the 3 claws and remove the front wiper arm head cap. HINT:
Tape the screwdriver tip before use.
Use the same procedure for both front wiper arm head caps.
*1 Protective Tape 2. REM
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