Lexus ES: Stereo Component Amplifier Malfunction (B15A3)
DESCRIPTION
This DTC is 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 any of the following conditions is met: -
Internal power supply malfunction
-
DSP error
-
EEPROM error
| Stereo component amplifier assembly |
PROCEDURE
(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 STEREO COMPONENT AMPLIFIER ASSEMBLY |
READ NEXT:
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
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
DESCRIPTION This DTC is stored when a malfunction occurs in the speakers. DTC No. Detection Item DTC Detection Condition Trouble Area B15C3 Speaker Output Short A short is detected in
SEE MORE:
MONITOR DESCRIPTION A monitor will run when the engine is started at an engine coolant temperature of -10 (14°F) or higher, and less than 50°C (122°F). If certain conditions are met, a DTC is stored after the engine idles for 13 seconds (2 trip detection logic). This DTC is designed to monitor th
DESCRIPTION When the AUTO function is set to ON/OFF, a message is displayed on the multi-information display in the combination meter assembly. WIRING DIAGRAM PROCEDURE 1. CHECK OPERATION OF AUTO FUNCTION (a) Check that the AUTO function operates when the operating conditions are met. HINT
© 2016-2025 Copyright www.lexguide.net
