INSPECTION
PROCEDURE
1. INSPECT HAZARD WARNING SWITCH (RADIO RECEIVER ASSEMBLY)
(a) Measure the resistance according to the value(s) in the table below.
*a | Component without harness connected (Hazard Warning Signal Switch (Radio Receiver Assembly)) | - | - |
Standard Resistance:
Tester Connection | Condition | Specified Condition |
---|---|---|
B-10 (HAZ) - A-1 (GND1) | Hazard warning signal switch off | 10 MΩ or higher |
Hazard warning signal switch on | Below 125 Ω |
If the result is not as specified, replace the hazard warning signal switch (radio receiver assembly).
(b) Hazard warning signal switch indicator inspection
*a | Component without harness connected (Hazard Warning Signal Switch (Radio Receiver Assembly)) | - | - |
(1) Apply battery voltage to the hazard warning signal switch (radio receiver assembly) and check that the hazard warning signal switch indicator illuminates.
OK:
Condition | Specified Condition |
---|---|
Battery positive (+) → B-11 (LJB) Battery negative (-) → A-1 (GND1) | Illuminates |
If the result is not as specified, replace the hazard warning signal switch (radio receiver assembly).
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Navigation System: Start Up Signal Circuit between Radio Receiver Assembly and Navigation ECU
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. ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Audio And Visual System (for 8 Inch Display): Registered Device cannot be Deleted
PROCEDURE 1. DELETE OPERATION (a) Check if a registered portable player can be deleted normally. OK: Registered portable player can be deleted normally. OK END NG PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE ...