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
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).
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 ...
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Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
HINT:
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DTC Code
Detection Item
Trouble Area
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See page
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Torque Sensor Circuit Malfunction (C1511-C1514,C1517)
DESCRIPTION
The torque sensor converts the rotation torque input to the steering wheel into
an electrical signal and sends it to the power steering ECU. Based on this signal,
the ECU detects steering effort.
DTC No.
DTC Detection Co ...
0.136