On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT HORN RELAY ASSEMBLY
| (a) Remove the HORN relay. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 3 - 5 | Battery voltage not applied between terminals 1 and 2 | 10 kΩ or higher |
| 3 - 5 | Battery voltage applied between terminals 1 and 2 | Below 1 Ω |
If the result is not as specified, replace the HORN relay.
Data List / Active Test
Lighting (ext)Lexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Do-it-yourself
maintenance: Do-it-yourself service
precautions
If you perform maintenance by yourself, be sure to follow the correct
procedure
as given in these sections.
Items
Parts and tools
12-volt battery condition
Grease
Conventional wrench (for terminal clamp bolts)
Brake fluid level
...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Smart Access System With Push-button Start (for Start Function): Power Source Mode does not Change to ON (IG and ACC)
DESCRIPTION If any of the following operations are performed, the certification ECU (smart key ECU assembly) receives a signal, and changes the power source mode.
With the electrical key transmitter sub-assembly in the cabin, the engine switch is pressed.
When the transmitter battery of the ele ...