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.
Headup Display System

Symptom

Suspected Area

Link

Headup display is not displayed.

Proceed to "Main Switch Circuit"

Fuse (ECU-B NO.1)

-

Wire harness or connector

-

Meter mirror sub-assembly

Brightness of the headup display does not change.

Perform Active Test (Display Brightness)

Read the Data List (Brightness Up Switch (Meter)), Brightness Down Switch (Meter))

Meter mirror sub-assembly

Headup display is not displayed in the correct position.

Perform Active Test (Display Position)

Read the Data List (Projection Position Up Switch (Meter), Projection Position Down Switch (Meter))

Meter mirror sub-assembly

Other headup display malfunction (Other systems are normal)

Meter mirror sub-assembly

READ NEXT:

 Terminals Of Ecu

TERMINALS OF ECU HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Des

 Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (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 / Head Up Display / Tr

 Data List / Active Test

DATA LIST / ACTIVE TEST 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 a pa

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *1 FRONT AXLE HUB BOLT LH *2 FRONT DISC *3 FRONT DISC BRAKE CALIPER ASSEMBLY LH - - N*m (kgf*cm, ft.*lbf): Specified torque ● Non-reusable part

 Terminals Of Ecm

TERMINALS OF ECM HINT: The standard voltage, resistance and waveform between each pair of the ECM terminals is shown in the table below. The appropriate conditions for checking each pair of the terminals is also indicated. The result of checks should be compared with the standard voltage, resistanc

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