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 SHIFT LOCK CONTROL ECU (a) Measure the voltage according to the value(s) in the table below. Standard Voltage: Tester Connection Condition Specified Condition 5 (IG) - Body ground Power switch on (IG) 11 to 14 V Power switch off Below 1 V
Slip Indicator Light Remains ON
DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) is connected to the combination meter assembly via CAN communication. If the skid control ECU (brake booster with master cylinder assembly) stores a DTC, the slip indicator light comes on in the combination meter assembly
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