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 |
Turn signal lever
1. Right turn
2. Left turn
3. Move and hold the lever partway to signal a lane change.
The right hand signal will flash until you release the lever.
4. Move and hold the lever partway to signal a lane change.
The left hand signal will flash until you re ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following system after the terminal is reconnected:
System Name
...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power door lock control
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT ...