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 |
READ NEXT:
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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Power Source Mode does not Change to ON (READY)
DESCRIPTION When the electrical key transmitter sub-assembly is in the cabin and the power switch is pressed, the certification ECU (smart key ECU assembly) receives a signal and changes the power source mode. In addition, when the power switch is pressed with the shift lever in P and the brake peda
Precaution
PRECAUTION CAUTION:
Before inspecting the high-voltage system or disconnecting the low voltage connector of the inverter with converter assembly, take safety precautions such as wearing insulated gloves and removing the service plug grip to prevent electrical shocks. After removing the service pl
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