Lexus ES: Sound Quality is Bad Only when Disc is Played (Volume is Too Low)
Lexus ES (XZ10) Service Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System (for Hv Model) / Sound Quality is Bad Only when Disc is Played (Volume is Too Low)
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 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:
- A communication malfunction DTC may be stored.
- 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 |
|
| 2. | CHECK NOISE CONDITION |
(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 |
| NG | | REPLACE RADIO RECEIVER ASSEMBLY |
READ NEXT:
Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter
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
Speaker Circuit
DESCRIPTION If there is a short in a speaker circuit, the stereo component amplifier assembly detects it and stops output to the speakers. Thus sound cannot be heard from the speakers even if there is
Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU
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
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Dynamic radar cruise control with
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In vehicle-to-vehicle distance control
mode, the vehicle automatically
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stops to match the speed changes
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Use the dynamic
Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during battery state sensor removal/installation are shown below. Necessary Procedures After Parts Removed/Inst
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