Up to 08/2009
LIGHTING (EXT): LIGHTING SYSTEM: B2420: AFS ECU Malfunction
B2420 - AFS ECU Malfunction
DESCRIPTION
When the AFS ECU (headlight swivel ECU assembly) detects a malfunction in itself, the DTC is stored.
INSPECTION PROCEDURE
PROCEDURE
1. CHECK FOR DTC
(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2420 is not output.
NG -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) Components
OK -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting