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 |
---|---|---|
J149-28 (REV2) - J153-19 (REV2) | Always | Below 1 Ω |
J149-28 (REV2) or J153-19 (REV2) - 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) 2016-2025 Repair Manual > Navigation System: Visual Mute Signal Circuit between Radio Receiver and Multi-display
DESCRIPTION The radio receiver assembly sends a visual mute signal to the multi-display assembly. As a result, a black screen is displayed when the screen changes so that noise and distorted images are not displayed. When an open exists in the circuit, noise and distorted images will be displayed in ...
Lexus RX (RX 350L, RX450h) 2016-2025 Owners Manual > Instrument cluster: Warning lights and indicators
The warning lights and indicators on the instrument cluster, center
panel and
outside rear view mirrors inform the driver of the status of the vehicle's
various
systems.
For the purpose of explanation, the following illustrations display all warning
lights and indicators illuminated.
Exce ...