OK -- END
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 See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2420 is not output.
NG -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) See: Lighting and Horns/Headlamp/Headlamp
Alignment Control Module/Service and Repair/Components
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
From 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 See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
(b) Check for DTCs See: Lighting and Horns/Testing and Inspection/Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC B2420 is not output.
NG -- REPLACE AFS ECU (HEADLIGHT SWIVEL ECU ASSEMBLY) See: Lighting and Horns/Headlamp/Headlamp
Alignment Control Module/Service and Repair/Components
OK -- USE SIMULATION METHOD TO CHECK See: Accessories and Optional Equipment/Antitheft and Alarm
Systems/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/How To Proceed With Troubleshooting
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