Lexus ES: Stereo Jack Adapter Light does not Illuminate
DESCRIPTION
Power is supplied to the No. 1 stereo jack adapter assembly illumination from the radio receiver assembly.
WIRING DIAGRAM
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. | CHECK HARNESS AND CONNECTOR (NO. 1 STEREO JACK ADAPTER ASSEMBLY ILLUMINATION POWER SOURCE) |
(a) Disconnect the G103 and G8 No. 1 stereo jack adapter assembly connectors.
| (b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| OK |  | REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY |
|
| 2. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
(a) Disconnect the G102 radio receiver assembly connector.
(b) Disconnect the G103 No. 1 stereo jack adapter assembly connector.
| (c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
| 3. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
(a) Disconnect the G5 radio receiver assembly connector.
(b) Disconnect the G8 No. 1 stereo jack adapter assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| G8-8 (ACC) - G5-16 (ACC) | Always | Below 1 Ω |
| G8-8 (ACC) or G5-16 (ACC) - Body ground | Always | 10 kΩ or higher |
| OK | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Main Body ECU (Multiplex Network Body ECU) Outer Mirror Control ECU Assembly
IG signal
ACC signal
Outer mirror switch assembly signal
Mirror position request signal (memory and reactivation function)
Mirror
Adjustment
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