Lexus NX: Fail-safe Chart

FAIL-SAFE CHART

FAIL-SAFE FUNCTION

(a) Headlight ECU sub-assembly

(1) The headlight ECU sub-assembly stops light operation if the following malfunctions are detected.

Malfunction

Multi-information Display Warning

DTC Output

Lighting on/off

LED light source malfunction

Low beam

Displayed

Output

High beam

Not Displayed

Output

Fan malfunction

Displayed

Output

Other than above (communication with main body ECU (multiplex network body ECU))

Displayed

Output

Automatic headlight beam level control system

Displayed

Output

AFS (adaptive front-lighting system)*

Displayed

Output

Power supply

IG voltage line malfunction

Displayed

Output

Other than an IG voltage line malfunction

Not displayed

Not output

  • *: w/ AFS (Adaptive Front-lighting System)

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