DESCRIPTION
This DTC is output when a headlight ECU sub-assembly LH that is incompatible with the vehicle is installed.
The headlight ECU sub-assembly LH outputs DTC B2456.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B2456 | Left Headlight ECU Variation Error | Headlight ECU sub-assembly LH variation mismatch |
|
PROCEDURE
1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here
Body Electrical > AFS > Clear DTCs(b) Turn the power switch on (IG).
(c) Check for DTCs.
Click here
Body Electrical > AFS > Trouble CodesOK:
DTC B2456 output does not occur.
OK | USE SIMULATION METHOD TO CHECK |
|
2. | CHECK HYBRID VEHICLE CONTROL ECU |
(a) Check that the hybrid vehicle control ECU part number matches the vehicle.
Result | Proceed to |
---|---|
Hybrid vehicle control ECU part number matches vehicle | A |
Hybrid vehicle control ECU part number does not match | B |
A | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
B | REPLACE HYBRID VEHICLE CONTROL ECU |