DESCRIPTION
This DTC is stored when a malfunction in the water submersion detection circuit inside the certification ECU (smart key ECU assembly) is detected.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
---|---|---|---|---|
B2277 | Detecting Vehicle Submersion | Water submersion detected by the water submersion detection circuit inside the certification ECU (smart key ECU assembly). (1-trip detection logic*) | Certification ECU (Smart key ECU assembly) |
|
Vehicle Condition when Malfunction Detected | Fail-safe Function when Malfunction Detected |
---|---|
The engine switch cannot be turned off and the engine cannot be started. | - |
DTC No. | Data List and Active Test |
---|---|
B2277 | - |
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
HINT:
PROCEDURE
1. | CHECK WATER INTRUSION |
(a) Check that the certification ECU (smart key ECU assembly), its ground area and wire harnesses have no signs of water intrusion.
Result | Proceed to |
---|---|
No sign of water intrusion found | A |
Signs of water intrusion found | B |
A | REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
B | TAKE MEASURES FOR WATER INTRUSION AND REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Door Courtesy Light: Installation
INSTALLATION PROCEDURE 1. INSTALL COURTESY LIGHT BULB (for Bulb Type) (a) Install the courtesy light bulb to the courtesy light housing as shown in the illustration. Install in this Direction (b) Install the courtesy light cover to the courtesy light housing as shown in the illustration. ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Meter / Gauge System: Meter Illumination is Always Dark
DESCRIPTION The combination meter assembly receives signals from this circuit to adjust the illumination of the combination meter assembly. The combination meter assembly sets the illumination level based on the user operation of the light control rheostat switch. WIRING DIAGRAM CAUTION / NOTICE / ...