RM38T0EC _56 Audio / Visual / Telematics _111966 AUDIO / VIDEO _0589552 AUDIO AND VISUAL SYSTEM(Production Date from 2023/04) C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(Production Date from 2023/04)  B15C371  Speaker Output Short Actuator Stuck  


DESCRIPTION

This DTC is stored when the radio and display receiver assembly detects a short in a speaker circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Priority
B15C371 Speaker Output Short Actuator Stuck When any of the following conditions is met:
(2 trip detection logic)
·

A short is detected in the speaker output circuit

·

Internal direct current is detected in the AMP power IC


·

Harness or connector

·

Radio and display receiver assembly

·

Telematics transceiver

·

Speaker


Navigation System A

WIRING DIAGRAM

for 4 Speakers
E509823E06
5.906,0.604 6.365,0.802 0.458,0.198 10 false FR+ 5.906,1.385 6.365,1.583 0.458,0.198 10 false FR- 5.917,2.385 6.375,2.583 0.458,0.198 10 false FL+ 5.917,3.156 6.375,3.354 0.458,0.198 10 false FL- 5.917,3.573 6.375,3.771 0.458,0.198 10 false RR+ 5.906,4.344 6.365,4.542 0.458,0.198 10 false RR- 5.906,4.781 6.365,4.979 0.458,0.198 10 false RL+ 5.906,5.552 6.365,5.75 0.458,0.198 10 false RL- 5.656,0.51 5.896,0.698 0.24,0.188 10 false 1 5.656,1.302 5.896,1.49 0.24,0.188 10 false 6 5.667,2.271 5.906,2.458 0.24,0.188 10 false 2 5.677,3.063 5.917,3.25 0.24,0.188 10 false 7 5.677,3.458 5.917,3.646 0.24,0.188 10 false 4 5.688,4.25 5.927,4.438 0.24,0.188 10 false 9 5.688,4.677 5.927,4.865 0.24,0.188 10 false 3 5.698,5.458 5.938,5.646 0.24,0.188 10 false 8 4.833,0.521 5.073,0.708 0.24,0.188 10 false 1 4.844,1.292 5.083,1.479 0.24,0.188 10 false 2 3.719,0.51 3.958,0.698 0.24,0.188 10 false 3 3.719,1.302 3.958,1.49 0.24,0.188 10 false 4 2.083,0.688 2.323,0.875 0.24,0.188 10 false 2 2.083,1.344 2.323,1.531 0.24,0.188 10 false 1 2.094,2.458 2.333,2.646 0.24,0.188 10 false 2 2.083,3.646 2.323,3.833 0.24,0.188 10 false 2 2.094,4.854 2.333,5.042 0.24,0.188 10 false 2 2.073,3.094 2.313,3.281 0.24,0.188 10 false 1 2.083,4.292 2.323,4.479 0.24,0.188 10 false 1 2.083,5.49 2.323,5.677 0.24,0.188 10 false 1 3.906,0.635 4.365,0.833 0.458,0.198 10 false SPO+ 3.906,1.385 4.365,1.583 0.458,0.198 10 false SPO- 4.458,0.635 4.917,0.833 0.458,0.198 10 false SPI+ 4.479,1.385 4.938,1.583 0.458,0.198 10 false SPI- 5.656,6 6.115,6.198 0.458,0.198 10 false I273 0.75,0.729 1.208,0.927 0.458,0.198 10 false K1 0.74,2.5 1.198,2.698 0.458,0.198 10 false L1 0.25,5.021 0.708,5.219 0.458,0.198 10 false N4 3.646,1.646 4.104,1.844 0.458,0.198 10 false I201 0.75,0.906 2.052,1.417 1.302,0.51 10 false Front No. 1 Speaker Assembly RH 0.74,2.688 2.042,3.198 1.302,0.51 10 false Front No. 1 Speaker Assembly LH 0.208,3.958 2.135,4.458 1.927,0.5 10 false Rear Speaker Assembly RH 0.208,3.781 0.667,3.979 0.458,0.198 10 false M4 0.24,5.188 2.167,5.688 1.927,0.5 10 false Rear Speaker Assembly LH 5.656,6.167 6.865,6.646 1.208,0.479 10 false Radio and Display Receiver Assembly 3.646,1.813 5.271,2.219 1.625,0.406 10 false Telematics Transceiver

for 6 Speakers
E509816E06
0.094,2.969 0.406,3.167 0.313,0.198 10 false L1 0.094,3.156 1.344,3.677 1.25,0.521 10 false Front No. 1 Speaker Assembly LH 1.417,0.677 1.625,0.875 0.208,0.198 10 false 2 1.417,1.333 1.625,1.531 0.208,0.198 10 false 1 1.417,2.917 1.625,3.115 0.208,0.198 10 false 2 1.396,3.563 1.604,3.76 0.208,0.198 10 false 1 1.875,3.521 2.083,3.719 0.208,0.198 10 false 1 1.854,2.729 2.063,2.927 0.208,0.198 10 false 3 3.26,3.531 3.469,3.729 0.208,0.198 10 false 2 3.25,2.74 3.458,2.938 0.208,0.198 10 false 4 3.219,0.479 3.427,0.677 0.208,0.198 10 false 4 3.229,1.292 3.438,1.49 0.208,0.198 10 false 2 1.854,0.5 2.063,0.698 0.208,0.198 10 false 3 1.833,1.302 2.042,1.5 0.208,0.198 10 false 1 0.083,0.75 0.396,0.948 0.313,0.198 10 false K1 0.083,0.917 1.333,1.438 1.25,0.521 10 false Front No. 1 Speaker Assembly LH 2.667,1.292 3.135,1.479 0.469,0.188 10 false TWR- 2.667,0.49 3.135,0.677 0.469,0.188 10 false TWR+ 2.083,0.49 2.292,0.688 0.208,0.198 10 false + 2.104,1.292 2.313,1.49 0.208,0.198 10 false - 2.104,2.729 2.313,2.927 0.208,0.198 10 false + 2.115,3.531 2.323,3.729 0.208,0.198 10 false - 3.771,0.49 3.979,0.688 0.208,0.198 10 false 3 3.76,1.292 3.969,1.49 0.208,0.198 10 false 4 4.938,0.51 5.146,0.708 0.208,0.198 10 false 1 4.969,1.313 5.177,1.51 0.208,0.198 10 false 2 4,0.615 4.469,0.802 0.469,0.188 10 false SPO+ 4.49,0.615 4.958,0.802 0.469,0.188 10 false SPI+ 4.521,1.406 4.99,1.594 0.469,0.188 10 false SPI- 4.01,1.417 4.479,1.604 0.469,0.188 10 false SPO- 1.906,1.823 2.375,2.01 0.469,0.188 10 false I76 1.917,2 3.208,2.385 1.292,0.385 10 false Front No. 2 Speaker Assembly RH 3.833,1.688 4.292,1.875 0.458,0.188 10 false I201 3.823,1.844 5.365,2.115 1.542,0.271 10 false Telematics Transceiver 6,0.615 6.458,0.802 0.458,0.188 10 false FR+ 6.01,1.406 6.469,1.594 0.458,0.188 10 false FR- 6.01,2.844 6.469,3.031 0.458,0.188 10 false FL+ 6.01,3.635 6.469,3.823 0.458,0.188 10 false FL- 1.854,4.875 2.063,5.073 0.208,0.198 10 false 2 1.854,5.521 2.063,5.719 0.208,0.198 10 false 1 1.854,6.729 2.063,6.927 0.208,0.198 10 false 1 1.865,6.083 2.073,6.281 0.208,0.198 10 false 2 0.24,4.979 0.552,5.177 0.313,0.198 10 false M4 0.25,5.156 1.76,5.667 1.51,0.51 10 false Rear Speaker Assembly RH 0.26,6.281 0.573,6.479 0.313,0.198 10 false N4 0.24,6.448 1.75,6.958 1.51,0.51 10 false Rear Speaker Assembly LH 5.75,5.896 5.958,6.094 0.208,0.198 10 false 3 5.74,6.667 5.948,6.865 0.208,0.198 10 false 8 5.76,4.688 5.969,4.885 0.208,0.198 10 false 4 5.75,5.479 5.958,5.677 0.208,0.198 10 false 9 6.01,4.823 6.469,5.01 0.458,0.188 10 false RR+ 6.01,5.604 6.469,5.792 0.458,0.188 10 false RR- 6.021,6.042 6.479,6.229 0.458,0.188 10 false RL+ 6.021,6.823 6.479,7.01 0.458,0.188 10 false RL- 4.708,7.063 5.167,7.25 0.458,0.188 10 false I273 4.719,7.219 7.156,7.521 2.438,0.302 10 false Radio and Display Receiver Assembly 2.677,2.729 3.146,2.917 0.469,0.188 10 false TWL+ 2.688,3.51 3.156,3.698 0.469,0.188 10 false TWL- 5.781,0.49 5.99,0.688 0.208,0.198 10 false 1 5.75,1.302 5.958,1.5 0.208,0.198 10 false 6 5.729,2.719 5.938,2.917 0.208,0.198 10 false 2 5.75,3.521 5.958,3.719 0.208,0.198 10 false 7 1.594,4.167 3.865,4.385 2.271,0.219 10 false Front No. 2 Speaker Assembly LH 1.604,4.01 2.073,4.198 0.469,0.188 10 false I77

CAUTION / NOTICE / HINT

NOTICE:
·

When replacing the telematics transceiver, make sure to replace it with a new one.

·

Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>AUDIO AND VISUAL SYSTEM (Production Date from 2023/04)>PRECAUTION



PROCEDURE

1.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
for 4 Speakers A
for 6 Speakers B




A

2.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EACH SPEAKER, TELEMATICS TRANSCEIVER)

B

7.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EACH SPEAKER, TELEMATICS TRANSCEIVER)
2.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EACH SPEAKER, TELEMATICS TRANSCEIVER)

Pre-procedure1

a.

Disconnect the I273 radio and display receiver assembly connector.


b.

Disconnect the L1 front No. 1 speaker assembly LH connector.


c.

Disconnect the M4 rear speaker assembly RH connector.


d.

Disconnect the N4 rear speaker assembly LH connector.


e.

Disconnect the I201 telematics transceiver connector.


Procedure1

f.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I273-1 (FR+) - Body ground Always 10 kΩ or higher
I273-6 (FR-) - Body ground Always 10 kΩ or higher
I273-2 (FL+) - Body ground Always 10 kΩ or higher
I273-7 (FL-) - Body ground Always 10 kΩ or higher
I273-4 (RR+) - Body ground Always 10 kΩ or higher
I273-9 (RR-) - Body ground Always 10 kΩ or higher
I273-3 (RL+) - Body ground Always 10 kΩ or higher
I273-8 (RL-) - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

g.

None



OK

3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT NO. 1 SPEAKER ASSEMBLY RH)

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT NO. 1 SPEAKER ASSEMBLY RH)

Pre-procedure1

a.

Disconnect the K1 front No. 1 speaker assembly RH connector.


b.

Disconnect the I201 telematics transceiver connector.


Procedure1

c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I201-3 (SPO+) - Body ground Always 10 kΩ or higher
I201-4 (SPO-) - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

4.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

4.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>FRONT DOOR SPEAKER>INSPECTION

Result:
Proceed to
OK
NG



OK

5.INSPECT REAR SPEAKER ASSEMBLY

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>FRONT DOOR SPEAKER>REMOVAL


6.INSPECT TELEMATICS TRANSCEIVER

Pre-procedure1

a.

Remove the telematics transceiver.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL


Procedure1

b.
E418548C01
0.979,0.406 1.146,0.406 1.146,0.406 1.563,1.156 false 0.667,1.083 0.833,1.083 0.833,1.083 1.5,1.5 false 2.396,0.406 2.229,0.406 2.229,0.406 1.896,1.156 false 2.771,1.042 2.604,1.042 2.604,1.042 1.917,1.542 false 2.469,0.333 2.917,0.552 0.448,0.219 10 false SPI+ 0.604,0.323 1.052,0.542 0.448,0.219 10 false SPI- 2.854,0.979 3.302,1.198 0.448,0.219 10 false SPO+ 0.208,0.979 0.656,1.198 0.448,0.219 10 false SPO- 0.104,0.094 0.552,0.313 0.448,0.219 10 false *a
*a Component without harness connected
(Telematics Transceiver)


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+) - 2 (SPI-) Always 10 kΩ or higher
3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL


7.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EACH SPEAKER, TELEMATICS TRANSCEIVER)

Pre-procedure1

a.

Disconnect the I273 radio and display receiver assembly connector.


b.

Disconnect the I77 front No. 2 speaker assembly LH connector.


c.

Disconnect the M4 rear speaker assembly RH connector.


d.

Disconnect the N4 rear speaker assembly LH connectors.


e.

Disconnect the I201 telematics transceiver connector.


Procedure1

f.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I273-1 (FR+) - Body ground Always 10 kΩ or higher
I273-6 (FR-) - Body ground Always 10 kΩ or higher
I273-2 (FL+) - Body ground Always 10 kΩ or higher
I273-7 (FL-) - Body ground Always 10 kΩ or higher
I273-4 (RR+) - Body ground Always 10 kΩ or higher
I273-9 (RR-) - Body ground Always 10 kΩ or higher
I273-3 (RL+) - Body ground Always 10 kΩ or higher
I273-8 (RL-) - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

g.

None



OK

8.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER ASSEMBLY RH)

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

8.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - FRONT NO. 2 SPEAKER ASSEMBLY RH)

Pre-procedure1

a.

Disconnect the I76 front No. 2 speaker assembly RH connector.


b.

Disconnect the I201 telematics transceiver connector.


Procedure1

c.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
I201-3 (SPO+) - Body ground Always 10 kΩ or higher
I201-4 (SPO-) - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

d.

None



OK

9.CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

9.CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY)

Pre-procedure1

a.

Disconnect the K1 front No. 1 speaker assembly RH connector.


b.

Disconnect the L1 front No. 1 speaker assembly LH connector.


c.

Disconnect the I76 front No. 2 speaker assembly RH connector.


d.

Disconnect the I77 front No. 2 speaker assembly LH connector.


Procedure1

e.

Measure the resistance according to the value(s) in the table below.

Standard Resistance:
Tester Connection Condition Specified Condition
K1-2 - Body ground Always 10 kΩ or higher
K1-1 - Body ground Always 10 kΩ or higher
L1-2 - Body ground Always 10 kΩ or higher
L1-1 - Body ground Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

f.

None



OK

10.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

10.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>FRONT DOOR SPEAKER>INSPECTION

Result:
Proceed to
OK
NG



OK

11.INSPECT FRONT NO. 2 SPEAKER ASSEMBLY

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>FRONT DOOR SPEAKER>REMOVAL


13.INSPECT TELEMATICS TRANSCEIVER

Pre-procedure1

a.

Remove the telematics transceiver.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL


Procedure1

b.
E418548C01
0.979,0.406 1.146,0.406 1.146,0.406 1.563,1.156 false 0.667,1.083 0.833,1.083 0.833,1.083 1.5,1.5 false 2.396,0.406 2.229,0.406 2.229,0.406 1.896,1.156 false 2.771,1.042 2.604,1.042 2.604,1.042 1.917,1.542 false 2.469,0.333 2.917,0.552 0.448,0.219 10 false SPI+ 0.604,0.323 1.052,0.542 0.448,0.219 10 false SPI- 2.854,0.979 3.302,1.198 0.448,0.219 10 false SPO+ 0.208,0.979 0.656,1.198 0.448,0.219 10 false SPO- 0.104,0.094 0.552,0.313 0.448,0.219 10 false *a
*a Component without harness connected
(Telematics Transceiver)


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+) - 2 (SPI-) Always 10 kΩ or higher
3 (SPO+) - 4 (SPO-) Always 10 kΩ or higher


Result:
Proceed to
OK
NG



Post-procedure1

c.

None



OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>RADIO RECEIVER>REMOVAL


NG

REPLACE TELEMATICS TRANSCEIVER

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS TRANSCEIVER>REMOVAL