Lexus NX manuals

Lexus NX: Problem Symptoms Table

Lexus NX Service Manual / Vehicle Exterior / Door / Hatch / Back Door Closer System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Back Door Closer System

Symptom

Suspected Area

Link

Back Door Closer does not Operate

Proceed to "Back Door Closer does not Operate"

The back door closer does not reverse rotation operation properly when the back door opener switch assembly (open switch) is operated (during the back door closer operation).

Smart access system with push-button start (for Entry Function)

Multiplex network door ECU

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 Terminals Of Ecu

TERMINALS OF ECU CHECK MULTIPLEX NETWORK DOOR ECU (a) Disconnect the Y26 and Y27 multiplex network door ECU connectors. (b) Measure the voltage and resistance according to the value(s) in the table b

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK FOR DTC (a) Turn the power switch off. (b) Connect the Techstream to the DLC3. (c) Turn the power switch on (IG). (d) Turn the Techstream on. (e) Enter the following menus: Bod

 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. Th

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 Components

COMPONENTS ILLUSTRATION *A w/o Power Back Door System *B w/ Power Back Door System *1 BACK DOOR FINISH COVER LH *2 BACK DOOR FINISH COVER RH *3 BACK DOOR LOCK COVER *4 BACK DOOR OUTSIDE GARNISH SUB-ASSEMBLY *5 BACK DOOR SIDE GARNISH LH *6 BACK DOOR SIDE GARNIS

 Main Switch Circuit

DESCRIPTION The headup display switch assembly and meter mirror sub-assembly are connected via direct line. The meter mirror sub-assembly can be turned off and on by operating the headup display switchassembly. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (MAIN SWITCH) (a) Conne

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