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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 How To Proceed With Troubleshooting

PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT 2. CONFIRM PROBLEM SYMPTOMS NEXT 3. CUSTOMER PROBLEM ANALYSIS (a) Check if the vehicle has been jump started due to a discharged auxiliary battery. Result Proceed to The vehicle has ne

 Inspection

INSPECTION PROCEDURE 1. INSPECT OUTER REAR VIEW MIRROR ASSEMBLY LH (a) Check the operation of the mirror surface. (1) Disconnect the outer rear view mirror assembly LH connector. *a Component without harness connected (Outer Rear View Mirror Assembly LH) (2) Apply auxiliar

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