Lexus ES manuals

Lexus ES: Fail-safe Chart

Lexus ES (XZ10) Service Manual / Engine & Hybrid System / Cruise Control / Road Sign Assist System (for Gasoline Model) / Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) When a malfunction occurs in the road sign assist system, a message will be displayed on the multi-information display and the road sign assist system will be disabled, depending on the malfunction.

Warning Message

Malfunction Status

Fail-safe Operation

DTC/Vehicle Control History (RoB)

Fail-safe Mode Deactivation Condition
X: Control is suspended

"RSA Malfunction Visit Your Dealer"

Road sign assist system is malfunctioning

X

Stored

After system returns to normal, engine switch is turned off and then to on (IG)

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