Lexus NX: Back Door Closer System
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Back Door Closer Operation Malfunction (B2250)
- Back Door Closer Switch Malfunction (B2251)
- Back Door Closer does not Operate
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Parts Location
PARTS LOCATION ILLUSTRATION *1 BACK DOOR OPENER SWITCH ASSEMBLY *2 MULTIPLEX NETWORK DOOR ECU *3 BACK DOOR LOCK ASSEMBLY *4 BACK DOOR LOCK MOTOR *5 LATCH SWITCH *6 PAWL S
System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU Receiver ECU Signal Communication Method Certification ECU (Smart Key ECU Assembly) Main Body ECU (Multiplex Network Body ECU) Bac
System Description
SYSTEM DESCRIPTION BACK DOOR CLOSER SYSTEM DESCRIPTION (a) Operating any back door opener switch assembly when the back door is fully closed inputs a request signal to the multiplex network door ECU.
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Installation
INSTALLATION CAUTION / NOTICE / HINT CAUTION: Wear protective gloves. Sharp areas on the parts may injure your hands. HINT:
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.
PROCEDURE 1. INSTALL SEPARATE TYPE FRONT SEATBACK COVER LH HINT:
When
Diagnosis System
DIAGNOSIS SYSTEM CHECK FOR INSTALLED SYSTEMS (ECUS AND SENSORS) THAT USE CAN COMMUNICATION (a) The systems (ECUs and sensors) that use CAN communication vary depending on the vehicle and optional equipment. Check which systems (ECUs and sensors) are installed to the vehicle. Connected to Code
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