Lexus NX: Diagnosis System
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Road Sign Assist System / Diagnosis System
DIAGNOSIS SYSTEM
DIAGNOSIS FUNCTION
(a) The road sign assist system displays a warning message on the multi-information display to inform the driver that the system is unavailable when it is malfunctioning.
| Warning Message | Details | DTC/RoB |
|---|---|---|
| "RSA Malfunction Visit Your Dealer" is displayed | Road sign assist system is malfunctioning | Stored |
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Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Road Sign Assist / T
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a road sign assist system DTC is stored, the forward recognition camera stores the current vehicle state (ECU and sensor information) as freeze frame data. C
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 di
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Refrigerant Shortage (B14B8)
DESCRIPTION This DTC is stored if the amount of refrigerant in the air conditioning system is insufficient. The air conditioning amplifier assembly receives the ambient temperature signal, refrigerant pressure signal etc. from various sensors. Based on these signals, the air conditioning amplifier a
Reassembly
REASSEMBLY PROCEDURE 1. INSTALL NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY (a) Install the link of the No. 1 blower damper servo sub-assembly to the link of the blower assembly as shown in the illustration. *a Link Part (b) Install the No. 1 blower damper servo sub-assembly wi
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