Lexus NX: Terminals Of Ecu
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Road Sign Assist System / Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
- DTCs may be output when connectors are disconnected during inspection. Therefore, be sure to clear the DTCs using the Techstream once the inspection has been completed.
- Do not apply larger loads than necessary since the connector may be damaged.
CHECK FORWARD RECOGNITION CAMERA
(a) Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| T18-7 (IGB) - T18-10 (GND) | GR - W-B | Power source | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| T18-10 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
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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 malfuncti
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
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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 part is faulty or not.
When using the Techstream with the power switch off, connect the Techstrea
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the vehicle proximity notification system.
*: Use the GTS.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS AND SYMPTOM CHECK HINT:
In troubleshooting, co
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