Lexus NX: Terminals Of Ecu
Lexus NX Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Terminals Of Ecu
TERMINALS OF ECU
NOTICE:
- Turning the power switch on (IG) with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed.
- Do not apply excessive force to the millimeter wave radar sensor assembly connector.
CHECK MILLIMETER WAVE RADAR SENSOR ASSEMBLY
(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 |
|---|---|---|---|---|
| B10-8 (IGB) - B10-1 (SGND) | R - W | Power source | Power switch on (IG) | 11 to 14 V |
| Power switch off | Below 1 V | |||
| B10-1 (SGND) - Body ground | W - Body ground | Ground | Always | Below 1 Ω |
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Diagnosis System
DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the
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 / Front Radar Sensor /
Freeze Frame Data
FREEZE FRAME DATA DESCRIPTION (a) Whenever a front radar sensor system DTC is stored, the millimeter wave radar sensor assembly stores the current vehicle state as Freeze Frame Data. CHECK FREEZE FRAM
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Installation
INSTALLATION PROCEDURE 1. INSTALL AIR CONDITIONING CONTROL ASSEMBLY (SEAT BELT WARNING LIGHT) (a) Connect the 2 connectors. (b) Attach the 6 clips to install the air conditioning control assembly (seat belt warning light). NOTICE: Do not touch the switch, display or clock parts. 2. IN
Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE:
Do not replace the spiral with sensor cable sub-assembly with the battery connected and the engine switch on (IG).
Do not rotate the spiral with sensor cable sub-assembly when the following conditions are met: 1) The steering wheel is removed, 2) the
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