Lexus NX: Right Headlight ECU Variation Error (B2455)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / Right Headlight ECU Variation Error (B2455)
DESCRIPTION
This DTC is output when a headlight ECU sub-assembly RH that is incompatible with the vehicle is installed.
The headlight ECU sub-assembly LH outputs DTC B2455.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2455 | Right Headlight ECU Variation Error | Headlight ECU sub-assembly RH variation mismatch | Headlight ECU sub-assembly RH |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
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(b) Turn the power switch on (IG).
(c) Check for DTCs.
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OK:
DTC B2455 output does not occur.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
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Fail-safe Chart
FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) If a malfunction is detected in the intelligent clearance sonar system, the warning message "Parking Support Brake System Malfunction Visit Your Dealer" or "Parking Support Brake Unavailable" is displayed on the multi-information display, the ICS OFF indicator
Removal
REMOVAL PROCEDURE 1. PRECAUTION NOTICE:
Be sure to read Precaution thoroughly before servicing.
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Handle components indoors as much as possible to prevent foreign matter from entering and adhering to headlight assembly components.
Do not reuse parts which have reduced fastening abi
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