Toyota CH-R Service Manual: Initialization has not been Performed (B2450)

Toyota CH-R Service Manual / Lighting (ext) / Automatic Headlight Beam Level Control System / Initialization has not been Performed (B2450)

DESCRIPTION

The headlight ECU sub-assembly LH stores this DTC if initialization has not been performed after the ECU was replaced.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Note
B2450	Initialization has not been Performed	Initialization of the headlight ECU sub-assembly LH has not been performed	Headlight ECU sub-assembly LH	-

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.
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If any of the following are performed, it is necessary to initialize the headlight ECU sub-assembly LH.
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- Replacement of the rear height control sensor sub-assembly LH
- Removal/installation of the rear height control sensor sub-assembly LH
- Work that changes the vehicle height such as replacement of suspension components

PROCEDURE

1.	INITIALIZATION HEADLIGHT ECU SUB-ASSEMBLY LH

(a) Perform initialization of the headlight ECU sub-assembly LH.

Click here

CLEAR DTC

(a) Clear the DTCs.

Click here

Body Electrical > HL AutoLeveling > Clear DTCs

3.	CHECK FOR DTC

(a) Turn the ignition switch to ON.

(b) Check for DTCs.

Click here

Body Electrical > HL AutoLeveling > Trouble Codes

OK:

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.

END (INITIALIZATION WAS NOT COMPLETED)

REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH

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