Toyota Venza manuals

Toyota Venza: HL AutoLeveling ECU Failure (B2420)

Toyota Venza Service Manual / Lighting (ext) / Lighting System / HL AutoLeveling ECU Failure (B2420)

DESCRIPTION

When the headlight leveling ECU assembly detects a malfunction in itself, this DTC is stored.

DTC No.

DTC Detecting Condition

Trouble Area

B2420

Malfunction of headlight leveling ECU assembly

Headlight leveling ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

If the headlight leveling ECU assembly has been replaced, initialization of the headlight leveling ECU assembly is necessary (See page ).


PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs (See page ).


(b) Check for DTCs (See page ).


OK:

DTC B2420 is not output.


OK

USE SIMULATION METHOD TO CHECK


NG

REPLACE HEADLIGHT LEVELING ECU ASSEMBLY

Initialization has not been Performed (B2450)
DESCRIPTION The headlight leveling ECU assembly stores this DTC if initialization has not been performed after the ECU was replaced. DTC No. DTC Detecting Condition ...

Rear Height Control Sensor (B241A)
DESCRIPTION The headlight leveling ECU assembly receives signals indicating the height of the vehicle from the rear height control sensor sub-assembly RH. DTC No. DTC Detecti ...

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