Lexus ES manuals

Lexus ES: Illumination for Panel Switch does not Come on with Tail Switch ON

Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System (for Gasoline Model) / Illumination for Panel Switch does not Come on with Tail Switch ON

CAUTION / NOTICE / HINT

NOTICE:

  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

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  • When replacing the radio receiver assembly, always replace it with a new one. If a radio receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio receiver assembly may not operate normally.

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

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(b) Check that the display changes between ON and OFF according to the light control switch operation.

OK:

Light Control Switch

Display

Tail or head

ON

Off or AUTO

OFF

HINT:

  • This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.
  • Make sure to move the vehicle to a bright area before performing an operation check with the light control switch in the AUTO position.
OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

READ NEXT:

 Microphone Circuit

DESCRIPTION The radio receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines. Using this circuit, the radio receive

 Mute Signal Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION This circuit sends a signal to the stereo component amplifier assembly to mute noise. Due to this, the noise produced by changing the sound source ceases. If there is an open in the circui

 Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver

DESCRIPTION The DCM (telematics transceiver) sends a mute signal to the stereo component amplifier assembly. The stereo component amplifier assembly controls the volume according to the mute signal fr

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *A for EGR Valve Bracket Connection Type - - *1 NO. 1 EGR PIPE SUB-ASSEMBLY *2 EGR VALVE ASSEMBLY *3 EGR VALVE BRACKET *4 EGR INLET GASKET *5 EGR VALVE ADAPTER GASKET *6 EGR VALVE GASKET *7 NO. 8 WATER BY-PASS HOSE *8 NO. 4 WA

 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System (for Gasoline Model)

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