Lexus ES: Height Sensor Initialization Incomplete (B2450)
DESCRIPTION
The 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 |
| Headlight ECU sub-assembly LH | AFS |
CAUTION / NOTICE / HINT
NOTICE:
-
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight ECU sub-assembly LH.
Click here
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- When replacing the headlight ECU sub-assembly LH, always replace it with a new one. If a headlight ECU sub-assembly LH which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
PROCEDURE
| 1. | INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH |
(a) Perform initialization of the headlight ECU sub-assembly LH.
Click here
|
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| 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 headlight ECU sub-assembly LH stores DTC B2450 even though the ECU has been initialized, there may be a malfunction in the headlight ECU sub-assembly LH.
| OK | .gif) | END (INITIALIZATION WAS NOT COMPLETED) |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
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SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. REMOVE LUGGAGE LOCK CONTROL CABLE PLATE Click here 2. REMOVE SWITCH BEZEL (w/ Power Trunk Lid System) Click here 3. REMOVE LUGGAGE COMPARTMEN
Installation
INSTALLATION PROCEDURE 1. INSTALL LUGGAGE DOOR OPENING CANCEL SWITCH ASSEMBLY (a) Engage the 2 claws to install the luggage door opening cancel switch assembly as shown in the illustration. Install in this Direction 2. INSTALL GLOVE COMPARTMENT DOOR ASSEMBLY Click here 3. INSTALL LOWER
