Lexus NX: Pre-collision System

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 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) auxiliary battery terminal, initialize the some sys

 Parts Location

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 BRAKE BOOSTER WITH MASTER CYLINDER ASSEMBLY - SKID CONTROL ECU *3 MILLIMETER WAVE RADAR SENSOR ASSEMBLY - - ILLUSTRA

 System Diagram

SYSTEM DIAGRAM

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 Terminals Of Ecu

TERMINALS OF ECU PARKING ASSIST ECU (a) Disconnect the P44 parking assist ECU connector. (b) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition P44-1 (+B) - P44-4 (GND1

 Abnormal Power Supply Voltage in Yaw Rate and/or Deceleration Sensor (C1381)

DESCRIPTION This DTC is stored when the skid control ECU (brake booster with master cylinder assembly) receives a sensor supply voltage malfunction signal from the yaw rate and acceleration sensor (airbag ECU assembly). This DTC may also be stored due to a temporary power source voltage drop. DTC

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