Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: 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 Audio and Visual System.

Click here

PROCEDURE

(a) Disconnect the J170 and J152 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 J170-1 (UPI) - Body ground Engine switch on (ACC) 5 V J152-8 (ACC) - Body ground Engine switch on (ACC) 11 to 14 V

*a Front view of wire harness connector (to No. 1 Stereo Jack Adapter Assembly)

OK

REPLACE NO. 1 STEREO JACK ADAPTER ASSEMBLY

NG

(a) Disconnect the J169 radio receiver assembly connector.

(b) Disconnect the J170 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 J170-1 (UPI) - J169-1 (USV1) Always Below 1 Ω J170-1 (UPI) or J169-1 (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

(a) Disconnect the J148 radio receiver assembly connector.

(b) Disconnect the J152 No. 1 stereo jack adapter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

OK

REPLACE RADIO RECEIVER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR