RM3660EC _56 Audio / Visual / Telematics _080751 AUDIO / VIDEO _0599626 AUDIO AND VISUAL SYSTEM(for 10.25 Inch Display) C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM(for 10.25 Inch Display)  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
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



WIRING DIAGRAM

for 4 Speakers
E475544
0.229,0.896 1.51,1.281 1.281,0.385 10 false Front No. 1 Speaker Assembly LH 0.219,3.24 1.5,3.625 1.281,0.385 10 false Front No. 1 Speaker Assembly RH 0.229,0.698 0.51,0.896 0.281,0.198 10 false L1 1.583,0.677 1.865,0.875 0.281,0.198 10 false 2 1.583,1.323 1.865,1.521 0.281,0.198 10 false 1 1.594,3.646 1.875,3.844 0.281,0.198 10 false 1 1.583,5.969 1.865,6.167 0.281,0.198 10 false 1 1.583,7.198 1.865,7.396 0.281,0.198 10 false 1 1.594,3.031 1.875,3.229 0.281,0.198 10 false 2 1.594,5.333 1.875,5.531 0.281,0.198 10 false 2 1.583,6.552 1.865,6.75 0.281,0.198 10 false 2 0.208,3.063 0.49,3.26 0.281,0.198 10 false K1 0.625,5.406 0.906,5.604 0.281,0.198 10 false N4 0.635,5.563 1.521,6 0.885,0.438 10 false Rear Speaker Assembly LH 0.635,6.615 0.917,6.813 0.281,0.198 10 false M4 0.656,6.76 1.542,7.198 0.885,0.438 10 false Rear Speaker Assembly RH 5.74,7.156 6.021,7.354 0.281,0.198 10 false 9 5.76,6.396 6.042,6.594 0.281,0.198 10 false 4 5.76,5.948 6.042,6.146 0.281,0.198 10 false 8 5.75,5.167 6.031,5.365 0.281,0.198 10 false 3 5.771,3.615 6.052,3.813 0.281,0.198 10 false 6 5.76,2.844 6.042,3.042 0.281,0.198 10 false 1 5.75,1.271 6.031,1.469 0.281,0.198 10 false 7 5.76,0.5 6.042,0.698 0.281,0.198 10 false 2 5.979,0.563 6.281,0.75 0.302,0.188 10 false FL+ 5.979,1.333 6.229,1.521 0.25,0.188 10 false FL- 5.979,2.896 6.281,3.073 0.302,0.177 10 false FR+ 5.979,3.688 6.271,3.875 0.292,0.188 10 false FR- 5.979,5.24 6.281,5.458 0.302,0.219 10 false RL+ 5.969,6.01 6.25,6.219 0.281,0.208 10 false RL- 5.979,6.458 6.302,6.656 0.323,0.198 10 false RR+ 5.979,7.208 6.271,7.396 0.292,0.188 10 false RR- 5.896,7.594 6.365,7.917 0.469,0.323 10 false I211 5.885,7.75 7,8.302 1.115,0.552 10 false Radio and Display Receiver Assembly 4.073,4.073 4.375,4.271 0.302,0.198 10 false I149 4.083,4.24 5.625,4.542 1.542,0.302 10 false Telematics Transceiver 4.833,3.594 5.271,3.802 0.438,0.208 10 false SPI- 4.823,2.844 5.26,3.052 0.438,0.208 10 false SPI+ 4.25,2.833 4.688,3.042 0.438,0.208 10 false SPO+ 4.24,3.594 4.677,3.802 0.438,0.208 10 false SPO- 4.01,3.604 4.292,3.802 0.281,0.198 10 false 4 4,2.844 4.281,3.042 0.281,0.198 10 false 3 5.24,2.833 5.521,3.031 0.281,0.198 10 false 1 5.26,3.604 5.542,3.802 0.281,0.198 10 false 2

for 6 Speakers
E554367
5.99,2.906 6.323,3.115 0.333,0.208 10 false FR+ 5.76,2.823 6.177,3.031 0.417,0.208 10 false 1 5.76,3.594 6.177,3.802 0.417,0.208 10 false 6 5.75,0.5 6.167,0.708 0.417,0.208 10 false 2 5.75,1.26 6.167,1.469 0.417,0.208 10 false 7 5.854,7.573 6.333,7.958 0.479,0.385 10 false I211 5.854,7.729 6.969,8.281 1.115,0.552 10 false Radio and Display Receiver Assembly 3.719,0.5 4.135,0.708 0.417,0.208 10 false 4 3.708,1.26 4.125,1.469 0.417,0.208 10 false 2 1.583,1.302 2,1.51 0.417,0.208 10 false 1 2.083,0.49 2.5,0.698 0.417,0.208 10 false 3 2.823,0.5 4.073,0.74 1.25,0.24 10 false +*1, TWL+*2 2.49,1.615 2.906,1.823 0.417,0.208 10 false - 0.229,0.698 0.646,0.906 0.417,0.208 10 false L1 0.229,0.875 1.51,1.24 1.281,0.365 10 false Front No. 1 Speaker Assembly LH 0.25,3.021 0.667,3.229 0.417,0.208 10 false K1 0.635,5.375 1.052,5.583 0.417,0.208 10 false N4 0.573,6.615 0.99,6.823 0.417,0.208 10 false M4 0.25,3.219 1.51,3.594 1.26,0.375 10 false Front No. 1 Speaker Assembly RH 0.635,5.542 1.521,5.917 0.885,0.375 10 false Rear Speaker Assembly LH 0.583,6.792 1.479,7.167 0.896,0.375 10 false Rear Speaker Assembly RH 2.26,0.49 2.677,0.698 0.417,0.208 10 false + 2.094,2.833 2.51,3.042 0.417,0.208 10 false 3 2.104,3.604 2.521,3.813 0.417,0.208 10 false 1 3.708,3.594 4.125,3.802 0.417,0.208 10 false 2 3.719,2.844 4.135,3.052 0.417,0.208 10 false 4 2.792,2.844 3.865,3.063 1.073,0.219 10 false +*1, TWR+*2 4.854,3.594 5.271,3.802 0.417,0.208 10 false SPI- 2.281,3.594 2.698,3.802 0.417,0.208 10 false - 2.271,2.833 2.688,3.042 0.417,0.208 10 false + 5.979,3.677 6.26,3.885 0.281,0.208 10 false FR- 5.969,0.563 6.26,0.771 0.292,0.208 10 false FL+ 5.99,1.333 6.25,1.542 0.26,0.208 10 false FL- 1.594,5.354 2.01,5.563 0.417,0.208 10 false 2 1.583,6.563 2,6.771 0.417,0.208 10 false 2 1.583,5.969 2,6.177 0.417,0.208 10 false 1 1.583,7.198 2,7.406 0.417,0.208 10 false 1 5.969,7.219 6.26,7.406 0.292,0.188 10 false RR- 5.979,6.458 6.313,6.646 0.333,0.188 10 false RR+ 5.979,6.01 6.25,6.219 0.271,0.208 10 false RL- 5.969,5.219 6.271,5.427 0.302,0.208 10 false RL+ 5.76,5.177 6.177,5.385 0.417,0.208 10 false 3 5.75,5.917 6.167,6.125 0.417,0.208 10 false 8 5.771,6.375 6.188,6.583 0.417,0.208 10 false 4 5.76,7.135 6.177,7.344 0.417,0.208 10 false 9 1.583,3 2,3.208 0.417,0.208 10 false 2 1.573,3.656 1.99,3.865 0.417,0.208 10 false 1 2.875,3.594 3.865,3.844 0.99,0.25 10 false -*1, TWR-*2 4.24,3.604 4.656,3.813 0.417,0.208 10 false SPO- 4.833,2.833 5.25,3.042 0.417,0.208 10 false SPI+ 4.229,2.833 4.646,3.042 0.417,0.208 10 false SPO+ 4.031,2.844 4.448,3.052 0.417,0.208 10 false 3 4.01,3.594 4.427,3.802 0.417,0.208 10 false 4 5.24,2.833 5.656,3.042 0.417,0.208 10 false 1 5.26,3.583 5.677,3.792 0.417,0.208 10 false 2 2.906,1.26 4.135,1.49 1.229,0.229 10 false -*1, TWL-*2 2.271,1.25 2.688,1.458 0.417,0.208 10 false - 1.583,0.677 2,0.885 0.417,0.208 10 false 2 2.083,1.26 2.5,1.469 0.417,0.208 10 false 1 1.865,1.76 2.396,1.979 0.531,0.219 10 false I77 1.865,1.927 4.271,2.146 2.406,0.219 10 false Front No. 2 Speaker Assembly LH 2.292,4.083 2.823,4.302 0.531,0.219 10 false I76 2.292,4.25 3.573,4.625 1.281,0.375 10 false Front No. 2 Speaker Assembly RH 4.073,4.24 5.521,4.438 1.448,0.198 10 false Telematics Transceiver 4.083,4.083 4.396,4.26 0.313,0.177 10 false I149 0.802,7.771 2.594,8.063 1.792,0.292 10 false *1: for NR Series 0.802,8.094 2.594,8.385 1.792,0.292 10 false *2: except NR Series

CAUTION / NOTICE / HINT

NOTICE:

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 (for 10.25 Inch Display)>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 OR TELEMATICS TRANSCEIVER)

B

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

Disconnect the I211 radio and display receiver assembly connector.


b.

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


c.

Disconnect the N4 and M4 rear speaker assembly connectors.


d.

Disconnect the I149 telematics transceiver connector.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I211-2 (FL+) or L1-2 - Body ground Always 10 kΩ or higher
I211-7 (FL-) or L1-1 - Body ground Always 10 kΩ or higher
I211-1 (FR+) or I149-1 (SPI+) - Body ground Always 10 kΩ or higher
I211-6 (FR-) or I149-2 (SPI-) - Body ground Always 10 kΩ or higher
I211-3 (RL+) or N4-2 - Body ground Always 10 kΩ or higher
I211-8 (RL-) or N4-1 - Body ground Always 10 kΩ or higher
I211-4 (RR+) or M4-2 - Body ground Always 10 kΩ or higher
I211-9 (RR-) or M4-1 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



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)
a.

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


b.

Disconnect the I149 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I149-3 (SPO+) or K1-2 - Body ground Always 10 kΩ or higher
I149-4 (SPO-) or K1-1 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



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
a.
E418548C47
1.906,1.177 2.51,0.698 true 1.5,1.583 1.063,1.938 true 1.49,1.177 0.833,0.688 true 1.927,1.573 2.354,1.917 true 2.396,1.917 3.01,2.115 0.615,0.198 10 false SPO+ 2.594,0.615 3.208,0.813 0.615,0.198 10 false SPI+ 0.5,0.563 1.115,0.76 0.615,0.198 10 false SPI- 0.677,1.917 1.292,2.115 0.615,0.198 10 false SPO- 0.125,0.125 0.438,0.323 0.313,0.198 10 false *a
*a Component without harness connected
(Telematics Transceiver)


Disconnect the telematics transceiver connector.


b.

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



OK

7.CHECK FOR DTC

NG

REPLACE TELEMATICS TRANSCEIVER

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


7.CHECK FOR DTC
a.

Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
50002 496

b.

Turn the ignition switch off.


c.

Check for DTCs and proceed to the following step.

Body Electrical > Navigation System > Trouble Codes
50001 496

Result:
Result Proceed to
DTCs are not output A
DTC B15C371 is output B



A

END

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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


8.CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - EACH SPEAKER OR TELEMATICS TRANSCEIVER)
a.

Disconnect the I211 radio and display receiver assembly connector.


b.

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


c.

Disconnect the N4 and M4 rear speaker assembly connectors.


d.

Disconnect the I149 telematics transceiver connector.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition

*1: for NR Series

*2: except NR Series

I211-2 (FL+) or I77-4 (+*1, TWL+*2) - Body ground Always 10 kΩ or higher
I211-7 (FL-) or I77-2 (-*1, TWL-*2) - Body ground Always 10 kΩ or higher
I211-1 (FR+) or I149-1 (SPI+) - Body ground Always 10 kΩ or higher
I211-6 (FR-) or I149-2 (SPI-) - Body ground Always 10 kΩ or higher
I211-3 (RL+) or N4-2 - Body ground Always 10 kΩ or higher
I211-8 (RL-) or N4-1 - Body ground Always 10 kΩ or higher
I211-4 (RR+) or M4-2 - Body ground Always 10 kΩ or higher
I211-9 (RR-) or M4-1 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

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

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


b.

Disconnect the I149 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

*1: for NR Series

*2: except NR Series

I149-3 (SPO+) or I76-4 (+*1, TWR+*2) - Body ground Always 10 kΩ or higher
I149-4 (SPO-) or I76-2 (-*1, TWR-*2) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

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

Disconnect the K1 and L1 front No. 1 speaker assembly connectors.


b.

Disconnect the I76 and I77 front No. 2 speaker assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
L1-2 or I77-3 (+) - Body ground Always 10 kΩ or higher
L1-1 or I77-1 (-) - Body ground Always 10 kΩ or higher
K1-2 or I76-3 (+) - Body ground Always 10 kΩ or higher
K1-1 or I76-1 (-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

11.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

11.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY

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

Result:
Proceed to
OK
NG



OK

12.INSPECT REAR SPEAKER ASSEMBLY

NG

REPLACE FRONT NO. 1 SPEAKER ASSEMBLY

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


13.INSPECT TELEMATICS TRANSCEIVER
a.
E418548C47
1.906,1.177 2.51,0.698 true 1.5,1.583 1.063,1.938 true 1.49,1.177 0.833,0.688 true 1.927,1.573 2.354,1.917 true 2.396,1.917 3.01,2.115 0.615,0.198 10 false SPO+ 2.594,0.615 3.208,0.813 0.615,0.198 10 false SPI+ 0.5,0.563 1.115,0.76 0.615,0.198 10 false SPI- 0.677,1.917 1.292,2.115 0.615,0.198 10 false SPO- 0.125,0.125 0.438,0.323 0.313,0.198 10 false *a
*a Component without harness connected
(Telematics Transceiver)


Disconnect the telematics transceiver connector.


b.

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



OK

14.REPLACE FRONT NO. 2 SPEAKER ASSEMBLY

NG

REPLACE TELEMATICS TRANSCEIVER

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


14.REPLACE FRONT NO. 2 SPEAKER ASSEMBLY
a.

Replace the speaker assembly with a new or known good one.

HINT:

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>INSTRUMENT PANEL SPEAKER>REMOVAL


Result:
Proceed to
NEXT




NEXT

15.CHECK FOR DTC
15.CHECK FOR DTC
a.

Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
50002 496

b.

Turn the ignition switch off.


c.

Check for DTCs and proceed to the following step.

Body Electrical > Navigation System > Trouble Codes
50001 496

Result:
Result Proceed to
DTCs are not output A
DTC B15C371 is output B



A

END

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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