Lexus NX: 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" is displayed

Road sign assist system is malfunctioning

X

DTC or vehicle control history stored

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

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 Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a pa

 Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Road Sign Assist System DTC No. Detection Item Link U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message U012987

 Vehicle Control History

VEHICLE CONTROL HISTORY NOTICE: Make sure to record any output Vehicle Control History codes before clearing them and checking the Vehicle Control History again. CHECK VEHICLE CONTROL HISTORY (ROAD SI

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 Inspection

INSPECTION PROCEDURE 1. INSPECT PARKING BRAKE ACTUATOR ASSEMBLY (a) Parking brake actuator assembly operation inspection (1) Apply voltage to the terminals of the parking brake actuator assembly and check that it operates as specified. OK: LH Tester Connection Parking Brake Actuator Assembl

 Terminals Of Ecu

TERMINALS OF ECU CHECK POWER SWITCH (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Input/Output Wiring Color Terminal Description Condition Specified Condition Related Data List Item/DTC I16-6 (AGND) - Body ground -

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