Toyota Tacoma manuals

Toyota Tacoma (2015-2018) Service Manual: Stereo Component Amplifier Malfunction (B15A3)

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

PROCEDURE

1.

CHECK DTC

(a) Clear the DTCs (See page (b) Recheck for DTCs and check if the same DTC is output again. ).

(b) Recheck for DTCs and check if the same DTC is output again.

OK:

No DTCs are output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

AV Signal Stoppage (Low Battery Voltage) (B158F)
DESCRIPTION This DTC is stored when a video or audio signal is interrupted due to battery voltage input to the navigation receiver assembly dropping temporarily. DTC Code DTC ...

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

Other materials:

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the C27 and C29 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side w ...

Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here FUNCTION OF WARNING INDICATOR AND MESSAGE (a) If the lane departure alert system is not functioning properly, the driver is warned by the lane departure alert indicator and multi-information display warning message on the combinat ...

Fail-safe Chart
FAIL-SAFE CHART 1. FAIL SAFE OPERATION If there is a problem with any sensor signals or hydraulic brake booster systems, the skid control ECU prohibits the power supply to the actuator in the hydraulic brake booster and informs the ECM of VSC system failure. The hydraulic brake b ...

В© 2011-2026 Copyright www.ttguide.net