Lexus NX: Navigation System

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 Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL NOTICE: After the power switch is turned off, the radio receiver assembly records various types of memory and set

 Parts Location

PARTS LOCATION ILLUSTRATION *A w/ Parking Assist Monitor System *B w/ Panoramic View Monitor System *1 NO. 2 ENGINE ROOM RELAY BLOCK - DCM FUSE (w/ Manual [SOS] Switch) - ECU-B NO.1 FU

 System Diagram

SYSTEM DIAGRAM

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 Steering Angle Sensor Initialization Incomplete (C1439,C1445)

DESCRIPTION The skid control ECU (brake booster with master cylinder assembly) acquires the steering sensor zero point every time the power switch is turned on (IG) and the vehicle is driven at 35 km/h (22 mph) or more for approximately 5 seconds. The ECU also stores previous zero points. DTCs C1439

 Steering Angle Sensor Communication Error (C1784)

DESCRIPTION Steering sensor signals are sent to the absorber control ECU via CAN communication. When there is a communication malfunction, the malfunction will be detected by the diagnosis function. DTC No. Detection Item DTC Detection Condition Trouble Area Warning Indicate C1784 S

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