Lexus NX: Stereo Component Amplifier Malfunction (B15A3)

Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Audio And Visual System / Stereo Component Amplifier Malfunction (B15A3)

DESCRIPTION

These DTCs are stored when a malfunction occurs in the stereo component amplifier assembly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B15A3

Stereo Component Amplifier Malfunction

When one of the conditions below is met:

  • Internal power supply malfunction
  • DSP error
  • EEPROM error

Stereo component amplifier assembly

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs.

Click here

Body Electrical > Navigation System > Clear DTCs

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

Click here

Body Electrical > Navigation System > Trouble Codes

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

READ NEXT:

 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 o

 Short in GPS Antenna (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 Short in GPS Antenna

 Speaker Output Short (B15C3)

DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. In addition, the radio receiver assembly detects a malfunction via the stereo component amplifier assembly. DTC No. Detec

SEE MORE:

 Components

COMPONENTS ILLUSTRATION *1 LOWER OUTER MIRROR COVER LH *2 OUTER MIRROR BEZEL LH *3 OUTER MIRROR COVER LH *4 OUTER MIRROR LH *5 SIDE TURN SIGNAL LIGHT ASSEMBLY LH - -

 Relay

On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT WIPER DEICER RELAY (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 3 - 5 Auxiliary battery voltage is not applied betw

© 2016-2025 Copyright www.lexunx.com