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Home >> Lexus >> 2009 >> IS F V8-5.0L (2UR-GSE) >> Repair and Diagnosis >> Lighting and Horns >> Testing and Inspection >> Initial Inspection and Diagnostic Overview >> Exterior Lighting System >> Fail-Safe Chart

Fail-Safe Chart








LIGHTING (EXT): LIGHTING SYSTEM: FAIL-SAFE CHART

FAIL-SAFE CHART

1. FAIL-SAFE
(a) Light control ECU
The light control ECU executes the fail-safe actions listed below in accordance with the item that has been detected.






(b) AFS ECU
HINT: If a malfunction is detected, the headlight swivel ECU assembly (AFS ECU) performs fail-safe operation. Depending on the malfunction, the ECU flashes at 1 Hz intervals or illuminates the AFS OFF indicator in the combination meter assembly. Warning massages are also shown on the multi-information display.