DESCRIPTION
This circuit includes the navigation ECU and radio receiver assembly.
WIRING DIAGRAM
PROCEDURE
1. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NAVIGATION ECU) |
(a) Disconnect the J149 radio receiver assembly connector.
(b) Disconnect the J153 navigation ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
J149-7 (SUP) - J153-21 (SUP) | Always | Below 1 Ω |
J149-7 (SUP) or J153-21 (SUP) - Body ground | Always | 10 kΩ or higher |
OK | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
NG | REPAIR OR REPLACE HARNESS OR CONNECTOR |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Blind Spot Monitor System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Blind spot monitor data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and to perform repairs. CHECK DLC3 (a) Check the DLC ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Noise Occurs or Sound Skips when Portable Player Plays
CAUTION / NOTICE / HINT HINT:
Perform this check with the portable player volume set at an appropriate level.
Make sure that there are no obstructions between the portable player and radio receiver assembly that may block signals, and that the portable player and radio receiver assembly are not ...