DTC B1ADF-71: Sub Woofer Speaker Cable Actuator Stuck [09/2022 - ]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 300h, 2024 Lexus ES 250, 2023 Lexus ES 350, and 2023 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - SPEAKER ASSEMBLY WITH BRAKET)
- Disconnect the G11 stereo component amplifier assembly connector.
- Disconnect the N75 speaker assembly with braket connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G11-6 (WF1+) - N75-2 (WF1+) Always Below 1 Ω G11-21 (WF1-) - N75-1 (WF1-) Always Below 1 Ω Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- INSPECT SPEAKER ASSEMBLY WITH BRAKET
Refer to REMOVAL [09/2022 - ]
Result
Proceed to OK NG Result:
NG
REPLACE SPEAKER ASSEMBLY WITH BRAKET. Refer to REMOVAL [09/2022 - ]
Result:
OK
See step 3
- CHECK FOR DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- In accordance with the display of the GTS, perform a speaker circuit energization inspection.
Refer to UTILITY [09/2022 - ]
Body Electrical > Navigation System > Utility
Tester Display Speaker Line Electricity Check - Check for DTCs and proceed to the following step.
Body Electrical > Navigation System > Trouble Codes
Result
Result Proceed to DTCs are not output A DTC B1ADF-71 is output B
Result:
A
END (SPEAKER ASSEMBLY WITH BRAKET IS DEFECTIVE)
Result:
B
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY. Refer to REMOVAL [09/2022 - ]
- Clear the DTCs.