Lexus NX: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of the problem symptom. 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.
LIN Communication System

Symptom

Suspected Area

Link

Rain sensor LIN communication malfunction*

Rain sensor Lin communication malfunction

Wiper and washer system

Air conditioning LIN communication malfunction

Air conditioning control panel does not operate

Air conditioning system

  • *: w/ Rain Sensor

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 Terminals Of Ecu

TERMINALS OF ECU CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) (a) Remove the main body ECU (multiplex network body ECU). Click here *1 Main Bo

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check main body ECU (multiplex network body ECU) (1) Connect the Techstream to the DLC3. (2) Turn the power switch on (IG). (3) Turn the Techstream on. (4) Enter the fo

 Data List / Active Test

DATA LIST / ACTIVE TEST READ DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether

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 Components

COMPONENTS ILLUSTRATION *1 AIR FUEL RATIO SENSOR *2 INVERTER RESERVE TANK ASSEMBLY *3 NO. 1 EXHAUST MANIFOLD HEAT INSULATOR *4 WIRE HARNESS *5 RADIATOR HOSE CLAMP - - N*m (kgf*cm, ft.*lbf): Specified torque * For use with SST

 Installation

INSTALLATION PROCEDURE 1. INSTALL REAR ENGINE OIL SEAL (a) Apply MP grease to the lip of a new rear engine oil seal. NOTICE: Do not allow foreign matter to contact the lip of the rear engine oil seal. Do not allow MP grease to contact the dust seal. (b) Using SST and a hammer, tap in the

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