Speaker Circuit [03/2017 - 06/2017]: Procedure
- CHECK SPEAKER (OPERATION CHECK)
- Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
Refer to OPERATION CHECK [03/2017 - 06/2017]
- Perform the operation check above and determine the speaker that is not operating.
Result
Not Operating Speaker Proceed to Front No. 1 speaker assembly or front No. 2 speaker assembly
(w/o Manual (SOS) Switch)A Front No. 1 speaker assembly or front No. 2 speaker assembly
(w/ Manual (SOS) Switch)B Rear speaker assembly C HINT:
If sound cannot be heard from any speaker, inspect all of them.
Result:
B
See step 3
Result:
C
See step 8
Result:
A
See step 2
- Enter the "System Check Mode" screen. Refer to Check Speaker in Operation Check.
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)
- Disconnect the K4 radio and display receiver assembly connector.
- Disconnect the N1 and O1 front No. 1 speaker assembly connectors.
- Disconnect the K7 and K8 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 K4-1 (FR+) - K7-4 (TWR+) Always Below 1 Ω K4-6 (FR-) - K7-2 (TWR-) Always Below 1 Ω K4-2 (FL+) - K8-4 (TWL+) Always Below 1 Ω K4-7 (FL-) - K8-2 (TWL-) Always Below 1 Ω N1-2 - K7-3 (+) Always Below 1 Ω N1-1 - K7-1 (-) Always Below 1 Ω O1-2 - K8-3 (+) Always Below 1 Ω O1-1 - K8-1 (-) Always Below 1 Ω K4-1 (FR+) or K7-4 (TWR+) - Body ground Always 10 kΩ or higher K4-6 (FR-) or K7-2 (TWR-) - Body ground Always 10 kΩ or higher K4-2 (FL+) or K8-4 (TWL+) - Body ground Always 10 kΩ or higher K4-7 (FL-) or K8-2 (TWL-) - Body ground Always 10 kΩ or higher N1-2 or K7-3 (+) - Body ground Always 10 kΩ or higher N1-1 or K7-1 (-) - Body ground Always 10 kΩ or higher O1-2 or K8-3 (+) - Body ground Always 10 kΩ or higher O1-1 or K8-1 (-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
OK
See step 4
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - DCM (TELEMATICS TRANSCEIVER) - FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)
- Disconnect the K4 radio and display receiver assembly connector.
- Disconnect the N1 and O1 front No. 1 speaker assembly connectors.
- Disconnect the K7 and K8 front No. 2 speaker assembly connectors.
- Disconnect the K12 DCM (telematics transceiver) connector.
- Measure the resistance according to the value (s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K4-1 (FR+) - K12-2 (SPI+) Always Below 1 Ω K4-6 (FR-) - K12-3 (SPI-) Always Below 1 Ω K12-5 (SPO+) - K7-4 (TWR+) Always Below 1 Ω K12-6 (SPO-) - K7-2 (TWR-) Always Below 1 Ω K4-2 (FL+) - K8-4 (TWL+) Always Below 1 Ω K4-7 (FL-) - K8-2 (TWL-) Always Below 1 Ω N1-2 - K7-3 (+) Always Below 1 Ω N1-1 - K7-1 (-) Always Below 1 Ω O1-2 - K8-3 (+) Always Below 1 Ω O1-1 - K8-1 (-) Always Below 1 Ω K4-1 (FR+) or K12-2 (SPI+) - Body ground Always 10 kΩ or higher K4-6 (FR-) or K12-3 (SPI-) - Body ground Always 10 kΩ or higher K4-2 (FL+) or K8-4 (TWL+) - Body ground Always 10 kΩ or higher K4-7 (FL-) or K8-2 (TWL-) - Body ground Always 10 kΩ or higher K12-5 (SPO+) or K7-4 (TWR+) - Body ground Always 10 kΩ or higher K12-6 (SPO-) or K7-2 (TWR-) - Body ground Always 10 kΩ or higher N1-2 or K7-3 (+) - Body ground Always 10 kΩ or higher N1-1 or K7-1 (-) - Body ground Always 10 kΩ or higher O1-2 or K8-3 (+) - Body ground Always 10 kΩ or higher O1-1 or K8-1 (-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 4
- INSPECT FRONT NO. 1 SPEAKER ASSEMBLY
- Remove the front No. 1 speaker assembly.
Refer to REMOVAL [03/2017 - 09/2019]
- Inspect the front No. 1 speaker assembly.
Refer to INSPECTION [03/2017 - 06/2017]
Result
Result Proceed to OK (w/o Manual (SOS) Switch) A OK (w/ Manual (SOS) Switch) B NG C
Result:
B
See step 6
Result:
C
REPLACE FRONT NO. 1 SPEAKER ASSEMBLY. Refer to REMOVAL [03/2017 - 09/2019]
Result:
A
See step 5
- Remove the front No. 1 speaker assembly.
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
- Remove the front No. 2 speaker assembly.
Refer to REMOVAL [03/2017 - ]
- Inspect the front No. 2 speaker assembly.
Refer to INSPECTION [03/2017 - 06/2017]
OK
Malfunction disappears.
Result
Proceed to OK NG
Result:
OK
END
Result:
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017]
- Remove the front No. 2 speaker assembly.
- INSPECT DCM (TELEMATICS TRANSCEIVER)
- Remove the DCM (telematics transceiver).
Refer to REMOVAL [03/2017 - 09/2019]
- 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 2 (SPI+) - 5 (SPO+) Always Below 1 Ω 3 (SPI-) - 6 (SPO-) Always Below 1 Ω 2 (SPI+) - 3 (SPI-) Always 10 kΩ or higher 5 (SPO+) - 6 (SPO-) Always 10 kΩ or higher 2 (SPI+) or 5 (SPO+) - Body ground Always 10 kΩ or higher 3 (SPI-) or 6 (SPO-) - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to REMOVAL [03/2017 - 09/2019]
Result:
OK
See step 7
- Remove the DCM (telematics transceiver).
- REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
- Remove the front No. 2 speaker assembly.
Refer to REMOVAL [03/2017 - ]
- Inspect the front No. 2 speaker assembly.
Refer to INSPECTION [03/2017 - 06/2017]
OK
Malfunction disappears.
Result
Proceed to OK NG
Result:
OK
END
Result:
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017]
- Remove the front No. 2 speaker assembly.
- CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR SPEAKER ASSEMBLY)
- Disconnect the K4 radio and display receiver assembly connector.
- Disconnect the Q1 and P1 rear speaker assembly connectors.
- Measure the resistance according to the value (s) in the table below.
Standard Resistance
Tester Connection Condition Specified Condition K4-4 (RR+) - P1-1 Always Below 1 Ω K4-9 (RR-) - P1-2 Always Below 1 Ω K4-3 (RL+) - Q1-1 Always Below 1 Ω K4-8 (RL-) - Q1-2 Always Below 1 Ω K4-4 (RR+) or P1-1 - Body ground Always 10 kΩ or higher K4-9 (RR-) or P1-2 - Body ground Always 10 kΩ or higher K4-3 (RL+) or Q1-1 - Body ground Always 10 kΩ or higher K4-8 (RL-) or Q1-2 - Body ground Always 10 kΩ or higher Result
Proceed to OK NG
Result:
NG
REPAIR OR REPLACE HARNESS OR CONNECTOR
Result:
OK
See step 9
- INSPECT REAR SPEAKER ASSEMBLY
- Remove the rear speaker assembly.
Refer to REMOVAL [03/2017 - ]
- Inspect the rear speaker assembly.
Refer to INSPECTION [03/2017 - 06/2017]
Result
Proceed to OK NG
Result:
OK
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [03/2017 - 06/2017]
Result:
NG
REPLACE REAR SPEAKER ASSEMBLY. Refer to REMOVAL [03/2017 - ]
- Remove the rear speaker assembly.