DTC B15C3: Speaker Output Short [08/2020 -]: Procedure
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY, DCM (TELEMATICS TRANSCEIVER) OR SPEAKERS - BODY GROUND)
- Disconnect the G14 radio and display receiver assembly connector.
- Disconnect the G123 DCM (telematics transceiver) connector.
- Disconnect the G7 front No. 2 speaker assembly LH connector.
- Disconnect the J3 and J4 rear No. 2 speaker assembly connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G14-1 (FR+) or G123-1 (SPI+) - Body ground Always 10 kΩ or higher G14-6 (FR-) or G123-2 (SPI-) - Body ground Always 10 kΩ or higher G14-2 (FL+) or G7-4 (+TW) - Body ground Always 10 kΩ or higher G14-7 (FL-) or G7-2 (-TW) - Body ground Always 10 kΩ or higher G14-4 (RR+) or J3-4 (+TW) - Body ground Always 10 kΩ or higher G14-9 (RR-) or J3-2 (-TW) - Body ground Always 10 kΩ or higher G14-3 (RL+) or J4-4 (+TW) - Body ground Always 10 kΩ or higher G14-8 (RL-) or J4-2 (-TW) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 2
- CHECK HARNESS AND CONNECTOR (DCM (TELEMATICS TRANSCEIVER) OR SPEAKER - BODY GROUND)
- Disconnect the G123 DCM (telematics transceiver) connector.
- Disconnect the G6 front No. 2 speaker assembly RH connector.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition G123-3 (SPO+) or G6-4 (+TW) - Body ground Always 10 kΩ or higher G123-4 (SPO-) or G6-2 (-TW) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 3
- INSPECT DCM (TELEMATICS TRANSCEIVER)
- Remove the DCM (telematics transceiver).
Refer to REMOVAL [08/2020 -]
- Measure the resistance according to the value(s) in the table below.
*a Component without harness connected
(DCM (Telematics Transceiver))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+) - 2 (SPI-) Always 10 kΩ or higher 3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher 1 (SPI+) or 3 (SPO+) - Body ground Always 10 kΩ or higher 2 (SPI-) or 4 (SPO-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to REMOVAL [08/2020 -]
Result:
OK
See step 4
- Remove the DCM (telematics transceiver).
- CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY OR FRONT NO. 2 SPEAKER ASSEMBLY - BODY GROUND)
- Disconnect the I1 and I15 front No. 1 speaker assembly connectors.
- Disconnect the G6 and G7 front No. 2 speaker assembly connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition I1-2 or G6-3 (+) - Body ground Always 10 kΩ or higher I1-1 or G6-1 (-) - Body ground Always 10 kΩ or higher I15-2 or G7-3 (+) - Body ground Always 10 kΩ or higher I15-1 or G7-1 (-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 5
- CHECK HARNESS AND CONNECTOR (REAR SPEAKER ASSEMBLY OR REAR NO. 2 SPEAKER ASSEMBLY - BODY GROUND)
- Disconnect the J11 and J12 rear speaker assembly connectors.
- Disconnect the J3 and J4 rear No. 2 speaker assembly connectors.
- Measure the resistance according to the value(s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition J11-1 or J3-1 (-) - Body ground Always 10 kΩ or higher J11-2 or J3-3 (+) - Body ground Always 10 kΩ or higher J12-1 or J4-1 (-) - Body ground Always 10 kΩ or higher J12-2 or J4-3 (+) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 6
- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
- Remove the front No. 1 speaker assembly.
Refer to REMOVAL [04/2018 -]
- Inspect the front No. 1 speaker assembly.
Refer to INSPECTION [04/2018 -]
Result
Proceed to OK NG
Result:
NG
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [04/2018 -]
Result:
OK
See step 7
- Remove the front No. 1 speaker assembly.
- INSPECT REAR SPEAKER ASSEMBLY
- Remove the rear speaker assembly.
Refer to REMOVAL [04/2018 -]
- Inspect the rear speaker assembly.
Refer to INSPECTION [08/2019 -]
Result
Proceed to OK NG
Result:
NG
REPLACE REAR SPEAKER ASSEMBLY. Refer to REMOVAL [04/2018 -]
Result:
OK
See step 8
- Remove the rear speaker assembly.
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
- Remove the front No. 2 speaker assembly.
Refer to REMOVAL [04/2018 -]
- Inspect the front No. 2 speaker assembly.
Refer to INSPECTION [04/2018 -]
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK
No DTCs are output.
Result
Proceed to OK NG
Result:
OK
END
Result:
NG
See step 9
- Remove the front No. 2 speaker assembly.
- REPLACE REAR NO. 2 SPEAKER ASSEMBLY
- Remove the rear No. 2 speaker assembly.
Refer to REMOVAL [04/2018 -]
- Inspect the rear No. 2 speaker assembly.
Refer to INSPECTION [08/2019 -]
- Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs
- Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble Codes
OK
No DTCs are output.
Result
Proceed to OK NG
Result:
OK
END
Result:
NG
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to REMOVAL [04/2018 -]
- Remove the rear No. 2 speaker assembly.