Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Navigation Processor Malfunction (B15AD)

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual / Audio & Visual & Telematics / Navigation / Multi Info Display / Navigation System / Navigation Processor Malfunction (B15AD)

DESCRIPTION

This DTC is stored when a malfunction occurs in the navigation ECU.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15AD

Navigation Processor Malfunction

When either condition below is met:

  • A short to ground, short to +B or open occurs in the gyro signal circuit
  • Gyro sensor malfunction

Navigation ECU

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs

(b) Recheck for DTCs and check that no DTCs are output.

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE NAVIGATION ECU

    Display Malfunction (B15A6,B15B0)
    DESCRIPTION These DTCs are stored when a malfunction occurs in the multi-display assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15A6 Display Malfunction When a ...

    GPS Antenna Connection Malfunction(short) (B15C0,B15C1)
    DESCRIPTION These DTCs are stored when a malfunction occurs in the navigation antenna assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15C0 GPS Antenna Connection ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Radio Antenna Cord (w/o Rear No. 2 Seat): Removal
    REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during antenna cord sub-assembly removal/installation are shown below. Necessary Procedures After Parts Remove ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Cylinder Head: Components
    COMPONENTS ILLUSTRATION *A w/ Stud Bolt - - *1 VALVE SPRING RETAINER LOCK *2 VALVE SPRING RETAINER *3 INNER COMPRESSION SPRING *4 INTAKE VALVE STEM OIL SEAL *5 VALVE SPRING SEAT *6 INTAKE VALVE GUIDE BUSH *7 SPARK PLUG TUBE *8 INTAKE MANIFOLD TO CYLI ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0108