DTC B1ACA-71: Front Right Speaker Cable Actuator Stuck [10/2022 - ]: Procedure
- CHECK PROBLEM SYMPTOM
- Confirm the problem symptoms and proceed to the respective link.
Result
Result Proceed to No sound is output from the front No. 1 speaker assembly RH or front No. 2 speaker assembly RH A No sound is output from the front No. 3 speaker assembly RH (w/ Manual [SOS] Switch) B No sound is output from the front No. 3 speaker assembly RH (w/o Manual [SOS] Switch) C
Result:
B
See step 9
Result:
C
See step 11
Result:
A
See step 2
- Confirm the problem symptoms and proceed to the respective link.
- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY RH)
Pre-procedure1
- Disconnect the M2 stereo component amplifier assembly connector.
- Disconnect the G5 front No. 2 speaker assembly RH connector.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition M2-9 (FR+) - G5-4 (TWR+) Always Below 1 Ω M2-24 (FR-) - G5-2 (TWR-) Always Below 1 Ω Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (FRONT NO. 2 SPEAKER ASSEMBLY RH - FRONT NO. 1 SPEAKER ASSEMBLY RH)
Pre-procedure1
- Disconnect the G5 front No. 2 speaker assembly RH connector.
- Disconnect the I1 front No. 1 speaker assembly RH connector.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G5-3 (+) - I1-2 (+) Always Below 1 Ω G5-1 (-) - I1-1 (-) Always Below 1 Ω Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 4
- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY RH
Refer to INSPECTION [11/2018 - ]
Result
Proceed to OK NG Result:
NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY RH
Refer to REMOVAL [11/2018 - ]
Result:
OK
See step 5
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY RH
- Replace the front No. 2 speaker assembly with a new or known good one.
HINT:
Refer to REMOVAL [11/2018 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 6
- Replace the front No. 2 speaker assembly with a new or known good one.
- CLEAR DTC
Result:
NEXT
See step 7
- SPEAKER LINE ELECTRICITY CHECK
- In accordance with the display of the GTS, perform a speaker line electricity check.
Body Electrical > Navigation System > Utility
Tester Display Speaker Line Electricity Check Result
Proceed to NEXT
Result:
NEXT
See step 8
- In accordance with the display of the GTS, perform a speaker line electricity check.
- CHECK FOR DTC
- 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 B1ACA-71 is output B
Result:
A
END (FRONT NO. 2 SPEAKER ASSEMBLY RH IS DEFECTIVE)
Result:
B
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
- Check for DTCs and proceed to the following step.
- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH, DCM [TELEMATICS TRANSCEIVER])
Pre-procedure1
- Disconnect the M2 stereo component amplifier assembly connector.
- Disconnect the G7 front No. 3 speaker assembly RH connector.
- Disconnect the G133 DCM (telematics transceiver) connector.*
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition M2-13 (TWR+) - G133-1 (SPI+) Always Below 1 Ω M2-28 (TWR-) - G133-2 (SPI-) Always Below 1 Ω G133-3 (SPO+) - G7-1 (+) Always Below 1 Ω G133-4 (SPO-) - G7-2 (-) Always Below 1 Ω Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 10
- INSPECT DCM (TELEMATICS TRANSCEIVER) (SPO+, SPO-, SPI+, SPI-)
Pre-procedure1
- Remove the DCM (telematics transceiver).
*a Component without harness connected
(DCM [Telematics Transceiver])HINT:
Refer to REMOVAL [10/2022 - ]
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 3 (SPO+) - 1 (SPI+) Always Below 1 Ω 4 (SPO-) - 2 (SPI-) Always Below 1 Ω 1 (SPI+) - 2 (SPI-) Always 10 kΩ or higher 3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher Result
Proceed to OK NG Post-procedure1
- None
Result:
OK
See step 12
Result:
NG
REPLACE DCM (TELEMATICS TRANSCEIVER)
Refer to REMOVAL [10/2022 - ]
- Remove the DCM (telematics transceiver).
- CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH)
Pre-procedure1
- Disconnect the M2 stereo component amplifier assembly connector.
- Disconnect the G7 front No. 3 speaker assembly RH connector.
Procedure1
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition M2-13 (TWR+) - G7-1 (+) Always Below 1 Ω M2-28 (TWR-) - G7-2 (-) Always Below 1 Ω Result
Proceed to OK NG Post-procedure1
- None
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 12
- INSPECT FRONT NO. 3 SPEAKER ASSEMBLY RH
Refer to INSPECTION [11/2018 - ]
Result
Proceed to OK NG Result:
NG
REPLACE FRONT NO. 3 SPEAKER ASSEMBLY RH
Refer to REMOVAL [11/2018 - ]
Result:
OK
See step 13
- CLEAR DTC
Result:
NEXT
See step 14
- SPEAKER LINE ELECTRICITY CHECK
- In accordance with the display of the GTS, perform a speaker line electricity check.
Body Electrical > Navigation System > Utility
Tester Display Speaker Line Electricity Check Result
Proceed to NEXT
Result:
NEXT
See step 15
- In accordance with the display of the GTS, perform a speaker line electricity check.
- CHECK FOR DTC
- 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 B1ACA-71 is output B
Result:
A
END (FRONT NO. 3 SPEAKER ASSEMBLY RH IS DEFECTIVE)
Result:
B
REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY
Refer to REMOVAL [10/2022 - 10/2023] , or refer to REMOVAL [10/2023 - ]
- Check for DTCs and proceed to the following step.