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 |
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SEE MORE:
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH side and LH side.
The following procedure is for the LH side.
PROCEDURE 1. INSTALL FRONT LOWER NO. 1 SUSPENSION ARM SUB-ASSEMBLY (a) Install the front lower arm bushing stopper to the front lower No. 1 suspension ar
CHECK FOR INTERMITTENT PROBLEMS NOTICE:
If the vehicle or vehicle controls are operated (for example, during initial inspection when the vehicle is brought in for repair) before operation history has been read and saved, the operation history information could be lost.
The operation history fun
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