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:
COMPONENTS ILLUSTRATION *A w/ Power Trunk Lid System - - *1 LUGGAGE COMPARTMENT DOOR ASSIST GRIP *2 LUGGAGE COMPARTMENT DOOR COVER *3 LUGGAGE LOCK CONTROL CABLE PLATE *4 SWITCH BEZEL ILLUSTRATION *1 LUGGAGE COMPARTMENT DOOR HINGE COVER LH *2 LUGGAGE COMPART
REMOVAL
PROCEDURE
1. REMOVE BATTERY SERVICE HOLE COVER
(a) Remove the clip.
Remove in this Direction
(b) Disengage the 7 claws as shown in the illustration.
(c) Disengage the guide to remove the battery service hole cover as shown in
the illustration.
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