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: Tester Connection | Condition | Specified Condition | G103-1 (UPI) - Body ground | Power switch on (ACC) | 5 V | G8-8 (ACC) - Body ground | Power switch on (ACC) | 11 to 14 V | | | *a | Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly) | | |
NG | | |
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: Tester Connection | Condition | Specified Condition | G103-1 (UPI) - G102-1 (USV1) | Always | Below 1 Ω | G103-1 (UPI) or G102-1 (USV1) - Body ground | Always | 10 kΩ or higher | | | *a | Front view of wire harness connector (to Radio Receiver Assembly) | *b | Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly) | | |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
OK | | |
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 |
NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
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