DESCRIPTION
The No. 1 headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after it was replaced.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
---|---|---|---|---|
B2450 | Height Sensor Initialization Incomplete |
| No. 1 headlight ECU sub-assembly LH | AFS |
CAUTION / NOTICE / HINT
NOTICE:
Click here
Click here
PROCEDURE
1. | INITIALIZATION NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH |
(a) Perform initialization of the No. 1 headlight ECU sub-assembly LH.
Click here
|
2. | CLEAR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Clear the DTCs.
Body Electrical > AFS > Clear DTCs
|
3. | CHECK FOR DTC |
(a) Connect the Techstream to the DLC3.
(b) Turn the engine switch on (IG).
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.
(e) Check for DTCs.
Body Electrical > AFS > Trouble CodesOK:
DTC B2450 is not output.
HINT:
If the No. 1 headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the No. 1 headlight ECU sub-assembly LH.
OK | ![]() | END (INITIALIZATION WAS NOT COMPLETED) |
NG | ![]() | REPLACE NO. 1 HEADLIGHT ECU SUB-ASSEMBLY LH |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Shift Solenoid "A" Actuator Stuck On (P07507E)
DESCRIPTION Based on signals from the transmission revolution sensors (NT, NC3 and NC), the actual gear is detected. The ECM compares the actual gear with the shift schedule in the ECM memory to detect mechanical malfunctions of the shift solenoid valves, transmission valve body assembly and automat ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sliding Roof System: Precaution
PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Lane Control System Pre-collision Sys ...