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
1. | CHECK VOICE GUIDANCE SETTING |
(a) Check that the voice guidance settings are not off.
OK:
Voice guidance settings are not off.
NG | ![]() | CHANGE THE VOICE GUIDANCE SETTINGS TO ON |
|
2. | 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 |
---|---|---|
J149-22 (SI+) - J153-6 (VOI+) | Always | Below 1 Ω |
J149-23 (SI-) - J153-7 (VOI-) | Always | Below 1 Ω |
J149-22 (SI+) or J153-6 (VOI+) - Body ground | Always | 10 kΩ or higher |
J149-23 (SI-) or J153-7 (VOI-) - Body ground | Always | 10 kΩ or higher |
J153-8 (SLD1) - Body ground | Always | 10 kΩ or higher |
NG | ![]() | REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. | CHECK AUDIO FUNCTION |
(a) Check that sound can be heard from a front speaker.
OK:
Sound can be heard.
OK | ![]() | REPLACE NAVIGATION ECU |
NG | ![]() | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Console Box: Removal
REMOVAL PROCEDURE 1. REMOVE REAR CONSOLE UPPER PANEL (a) Disengage the 3 clips and 2 claws in the direction indicated by the arrow (1). Place Hand Here Remove in this Direction (1) Remove in this Direction (2) (b) Pull the rear console upper panel in the direction indicated b ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Rear Differential Side Gear Shaft Oil Seal: Replacement
REPLACEMENT CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during rear drive shaft oil seal replacement are shown below. Necessary Procedures After Parts Removed/Ins ...