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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 Driver Side Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION If the entry lock and unlock functions do not operate for the driver door only, the request code may not be being transmitted from the driver door or the front door outside handle assembly (for driver door) (touch sensor) may be malfunctioning. If the entry functions for other doors oper

 Hybrid Powertrain Control Module (P0A1D-148)

DESCRIPTION The hybrid vehicle control ECU monitors its internal operation, it will store a DTC and perform fail-safe control if it detects the following malfunction. If the following DTC is output, replace the hybrid vehicle control ECU. DTC No. Detection Item DTC Detection Condition Troub

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