Toyota Venza: 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
.gif)
).
PROCEDURE
|
1. |
CHECK FOR DTC |
(a) Clear the DTCs (See page ).
(b) Check for DTCs (See page ).
OK:
DTC B2420 is not output.
| OK | .gif) |
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 ...
Other materials about Toyota Venza:
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
Release the vacuum from the booster by depressing the brake pedal several times.
Then remove the brake master cylinder from the brake booster.
PROCEDURE
1. DRAIN BRAKE FLUID
NOTICE:
If brake fluid leaks onto any ...
Trouble in Passenger Airbag ON/OFF Indicator
DESCRIPTION
The occupant classification system detects the front passenger seat condition.
It then informs a passenger of the front passenger airbag assembly and front seat
belt pretensioner RH condition (activated/not activated) with the passenger airbag ...
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. REMOVE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH REAR DOOR ARMREST
BASE PANEL
...
0.2467