Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000019D6J
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: B15A3; Stereo Component Amplifier Malfunction; 2018 - 2020 MY Sienna [11/2017 -        ]

DTC

B15A3

Stereo Component Amplifier Malfunction

DESCRIPTION

This DTC is stored when a malfunction occurs in the stereo component amplifier assembly.

DTC No.

DTC Detection Condition

Trouble Area

B15A3

When one of the conditions below is met:

  • Internal power supply malfunction
  • DSP error
  • EEPROM error

Stereo component amplifier assembly

CAUTION / NOTICE / HINT

NOTICE:

When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:

  • A communication malfunction DTC is stored.
  • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page 2018 - 2020 MY Sienna [11/2017 -        ]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: DTC CHECK / CLEAR ).

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

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY