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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Inspection
INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER PUMP ASSEMBLY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition A51-1 (BM1) - A51-2 (GND1) Always Below 10 Ω A52-2 (BM2) - A52-1 (GND2)
Inspection
INSPECTION PROCEDURE 1. INSPECT CLOCK ASSEMBLY (a) Check the illumination. Apply auxiliary battery voltage to the connector and check the illumination condition. OK: Measurement Condition Specified Condition Auxiliary battery positive (+) → Terminal 6 (ILL+) Auxiliary battery positive
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