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
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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
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