Lexus ES: Sound Quality is Bad Only when Disc is Played (Volume is Too Low)
CAUTION / NOTICE / HINT
NOTICE:
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Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation 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:
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A communication malfunction DTC may be stored.
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The radio receiver assembly may not operate normally.
PROCEDURE
1. | REPLACE DISC AND RECHECK |
(a) Replace the disc with a new or known good one and check that the malfunction disappears.
OK:
Malfunction disappears.
OK | | END |
NG | | |
(a) Check that noise is output from the speakers when a disc is inserted and is being read.
OK:
Noise is output.
OK | | REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY |
READ NEXT:
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND
DESCRIPTION This circuit includes the navigation ECU and radio receiver assembly. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) (a) Disco
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio receiver assembly. If there is an open in the circuit, the navigation system cannot be operated us
SEE MORE:
PARTS LOCATION ILLUSTRATION *1 DEICER RELAY *2 NO. 2 ENGINE ROOM RELAY BLOCK AND NO. 2 ENGINE ROOM JUNCTION BLOCK ASSEMBLY - DEICER FUSE *3 MULTI-DISPLAY ASSEMBLY - FRONT WIPER DEICER SWITCH *4 WINDSHIELD DEICER WIRE (WINDSHIELD GLASS) *5 DLC3 *6 AIR CONDITIONING AMPLIF
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Main Body or Smart Access / Trouble Codes. Body Electrical > Main Body > Trouble Codes Body Electrical > Smart
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