Lexus ES: 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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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 U010087 Lost Communication with ECM/PCM "A" Missing Message U012587 Lost Communication with Mu
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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Installation
INSTALLATION
PROCEDURE
1. INSTALL AUXILIARY BATTERY
(a) Install the auxiliary battery.
(b) Install the No. 3 battery clamp with the bolt.
Install in this Direction
Torque:
16.5 N·m {168 kgf·cm, 12 ft·lbf}
(c) Connect the battery hose to the auxiliary batter
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 part is faulty or not. HINT: Using the Techstream to read the Data List allows the values or states of
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