Lexus NX: 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 symptom 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.
ASC System

Symptom

Suspected Area

Link

Simulated engine sounds cannot be heard.

Proceed to "Power Source Circuit"

Proceed to "Main Switch Circuit"

No. 1 speaker assembly with box

Stereo component equalizer assembly

Vehicle sound switch indicator does not illuminate.

Vehicle sound switch

Harness or connector

-

READ NEXT:

 Terminals Of Ecu

TERMINALS OF ECU CHECK STEREO COMPONENT EQUALIZER ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Desc

 Dtc Check / Clear

DTC CHECK / CLEAR DTC CHECK USING Techstream (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / ASC

 Freeze Frame Data

FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a)

SEE MORE:

 Throttle Actuator Control Throttle Body Range / Performance (P2119)

DESCRIPTION The electronic throttle control system is composed of the throttle actuator, throttle position sensor, and ECM. The ECM operates the throttle actuator to regulate the throttle valve in response to a request from the hybrid system. The throttle position sensor detects the opening angle of

 Display does not Dim when Light Control Switch is Turned ON

DESCRIPTION If the navigation system is turned on with the light control switch in the tail or head position, before AVC-LAN communication is established, the multi-display assembly dims according to the illumination signal received via a direct line. After AVC-LAN communication is established, the

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