Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: 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.

Fuse (ECU-DCC NO. 2, ECU-IG1 NO. 8)

-

Wire harness or connector

-

Headup display switch assembly circuit

Headup display (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))

Headup display (Meter mirror sub-assembly)

Combination meter 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))

Headup display (Meter mirror sub-assembly)

Combination meter assembly

Other headup display malfunction (Other systems are normal)

Headup display (Meter mirror sub-assembly)

    Customize Parameters
    CUSTOMIZE PARAMETERS CUSTOMIZE HEADUP DISPLAY SYSTEM (a) Customizing with the Techstream (1) Connect the Techstream to the DLC3. (2) Turn the engine switch on (IG). (3) Turn the Techstream on. (4) Ent ...

    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 ...

    Other materials:

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    DESCRIPTION This DTC is stored when the combination meter assembly detects a fuel sender gauge assembly malfunction via a direct line. DTC No. Detection Item DTC Detection Condition Trouble Area Memory Note B1500 Fuel Sender Open Detected When IG voltage is 9.5 V or more and the ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Network Gateway Ecu: Installation
    INSTALLATION CAUTION / NOTICE / HINT PROCEDURE 1. INSTALL NETWORK GATEWAY ECU (a) Engage the 2 claws to install the network gateway ECU. 2. INSTALL ECU INTEGRATION BOX RH Click here 3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable, some systems need to be initial ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

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