DTC B15C3-71: Speaker Output Short Actuator Stuck [07/2022 - ]: Procedure
- CHECK OPTIONAL COMPONENTS
- Check installed audio system and proceed to the following step.
Result
Result Proceed to w/ Telematics Transceiver A w/o Telematics Transceiver B
Result:
B
See step 9
Result:
A
See step 2
- Check installed audio system and proceed to the following step.
- CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - EACH SPEAKER, TELEMATICS TRANSCEIVER)
- Disconnect the F4 radio receiver assembly connector.
- Disconnect the J1 front No. 1 speaker assembly RH connector.
- Disconnect the K1 front No. 1 speaker assembly LH connector.
- Disconnect the G7 front No. 2 speaker assembly RH connector.
- Disconnect the G5 front No. 2 speaker assembly LH connector.
- Disconnect the L4 rear speaker assembly RH connector.
- Disconnect the M4 rear speaker assembly LH connector.
- Disconnect the F125 telematics transceiver connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F4-2 (FL+) or K1-2 (+) - Body ground Always 10 kΩ or higher F4-2 (FL+) or G5-2 (+) - Body ground Always 10 kΩ or higher F4-3 (RL+) or M4-2 (+) - Body ground Always 10 kΩ or higher F4-4 (RR+) or L4-2 (+) - Body ground Always 10 kΩ or higher F4-1 (FR+) or F125-1 (SPI+) - Body ground Always 10 kΩ or higher F4-7 (FL-) or K1-1 (-) - Body ground Always 10 kΩ or higher F4-7 (FL-) or G5-1 (-) - Body ground Always 10 kΩ or higher F4-8 (RL-) or M4-1 (-) - Body ground Always 10 kΩ or higher F4-9 (RR-) or L4-1 (-) - Body ground Always 10 kΩ or higher F4-6 (FR-) or F125-2 (SPI-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
Result:
OK
See step 3
- CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT SPEAKER ASSEMBLY RH)
- Disconnect the J1 front No. 1 speaker assembly RH connector.
- Disconnect the G7 front No. 2 speaker assembly RH connector.
- Disconnect the F125 telematics transceiver connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F125-3 (SPO+) or J1-2 (+) - Body ground Always 10 kΩ or higher F125-3 (SPO+) or G7-2 (+) - Body ground Always 10 kΩ or higher F125-4 (SPO-) or J1-1 (-) - Body ground Always 10 kΩ or higher F125-4 (SPO-) or G7-1 (-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
Result:
OK
See step 4
- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Refer to INSPECTION [10/2018 - ]
Result
Proceed to OK NG Result:
NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [10/2018 - ]
Result:
OK
See step 5
- INSPECT REAR SPEAKER ASSEMBLY
Refer to INSPECTION [10/2018 - ]
Result
Proceed to OK NG Result:
NG
REPLACE REAR SPEAKER ASSEMBLY. Refer to REMOVAL [10/2018 - ]
Result:
OK
See step 6
- INSPECT TELEMATICS TRANSCEIVER
- Remove the telematics transceiver.
*a Component without harness connected
(Telematics Transceiver)Refer to REMOVAL [07/2022 - ]
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition 1 (SPI+) - 3 (SPO+) Always Below 1 Ω 2 (SPI-) - 4 (SPO-) Always Below 1 Ω 1 (SPI+) or 2 (SPI-) - Body ground Always 10 kΩ or higher 3 (SPO+) or 4 (SPO-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPLACE TELEMATICS TRANSCEIVER. Refer to REMOVAL [07/2022 - ]
Result:
OK
See step 7
- Remove the telematics transceiver.
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
- Replace the speaker assembly with a new or known good one.
Refer to REMOVAL [10/2018 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 8
- Replace the speaker assembly with a new or known good one.
- CHECK FOR DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the ignition switch off.
- 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 B15C371 is output B
Result:
A
END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)
Result:
B
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [07/2022 - ]
- Clear the DTCs.
- CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - EACH SPEAKER)
- Disconnect the F4 radio receiver assembly connector.
- Disconnect the J1 front No. 1 speaker assembly RH connector.
- Disconnect the K1 front No. 1 speaker assembly LH connector.
- Disconnect the G5 front No. 2 speaker assembly LH connector.
- Disconnect the G7 front No. 2 speaker assembly RH connector.
- Disconnect the L4 rear speaker assembly RH connector.
- Disconnect the M4 rear speaker assembly LH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition F4-2 (FL+) or K1-2 (+) - Body ground Always 10 kΩ or higher F4-2 (FL+) or G5-2 (+) - Body ground Always 10 kΩ or higher F4-3 (RL+) or M4-2 (+) - Body ground Always 10 kΩ or higher F4-4 (RR+) or L4-2 (+) - Body ground Always 10 kΩ or higher F4-1 (FR+) or J1-2 (+) - Body ground Always 10 kΩ or higher F4-1 (FR+) or G7-2 (+) - Body ground Always 10 kΩ or higher F4-7 (FL-) or K1-1 (-) - Body ground Always 10 kΩ or higher F4-7 (FL-) or G5-1 (-) - Body ground Always 10 kΩ or higher F4-8 (RL-) or M4-1 (-) - Body ground Always 10 kΩ or higher F4-9 (RR-) or L4-1 (-) - Body ground Always 10 kΩ or higher F4-6 (FR-) or J1-1 (-) - Body ground Always 10 kΩ or higher F4-6 (FR-) or G7-1 (-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS AND CONNECTOR
Result:
OK
See step 10
- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
Refer to INSPECTION [10/2018 - ]
Result
Proceed to OK NG Result:
NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [10/2018 - ]
Result:
OK
See step 11
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
- Replace the speaker assembly with a new or known good one.
Refer to INSPECTION [10/2018 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 12
- Replace the speaker assembly with a new or known good one.
- CHECK FOR DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the ignition switch off.
- 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 B15C371 is output B
Result:
A
END (FRONT NO. 2 SPEAKER ASSEMBLY IS DEFECTIVE)
Result:
B
See step 13
- Clear the DTCs.
- CHECK FOR DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the ignition switch off.
- 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 B15C371 is output B
Result:
A
END (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)
Result:
B
See step 14
- Clear the DTCs.
- REPLACE REAR SPEAKER ASSEMBLY
- Replace the speaker assembly with a new or known good one.
Refer to INSPECTION [10/2018 - ]
Result
Proceed to NEXT
Result:
NEXT
See step 15
- Replace the speaker assembly with a new or known good one.
- CHECK FOR DTC
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Turn the ignition switch off.
- 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 B15C371 is output B
Result:
A
END (REAR SPEAKER ASSEMBLY IS DEFECTIVE)
Result:
B
REPLACE RADIO RECEIVER ASSEMBLY. Refer to REMOVAL [07/2022 - ]
- Clear the DTCs.