Lexus ES: Power Source Circuit
DESCRIPTION
This circuit is the power source circuit for the stereo component equalizer assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and relays for circuits related to this system before performing the following procedure.
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (STEREO COMPONENT EQUALIZER ASSEMBLY POWER SOURCE) |
| (a) Disconnect the stereo component equalizer assembly connector. |
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(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G15-14 (+B) - Body ground | Power switch off | 11 to 14 V |
| G15-27 (IGN) - Body ground | Power switch on (IG) | 11 to 14 V |
| G15-13 (ACC) - Body ground | Power switch on (ACC) | 11 to 14 V |
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G15-28 (GND) - Body ground | Always | Below 1 Ω |
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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Precaution
PRECAUTION PRECAUTION FOR ACTIVE NOISE CONTROL SYSTEM (a) If the active noise control microphone garnish hole is blocked, clean away the blockage and perform diagnosis. (b) If heavy objects are loaded
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
Before checking parts for malfunctions, check that the audio system operates normally.
Use the table below to help determine the cause of problem symptoms. If multi
System Description
SYSTEM DESCRIPTION ACTIVE NOISE CONTROL SYSTEM (a) The active noise control system is a system that detects muffled engine sounds produced in sync that fluctuates according to the engine speed, by usi
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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 park/neutral position switch assembly removal/installation are shown below. Necessary Procedures After P
Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST NOTICE:
Some Data List values may vary significantly if there are slight differences in the environment in which the vehicle is operating when measurements are obtained. Variations may also occur due to aging of the vehicle. Due to these considerations, it is not
