RM38N0EC _56 Audio / Visual / Telematics _111822 AUDIO / VIDEO _0502892 AUDIO AND VISUAL SYSTEM C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM  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

E475478E34
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 6.302,7.74 0.448,0.167 10 false E136 5.854,7.729 7.073,8.135 1.219,0.406 10 false Radio and Display Receiver Assembly 3.531,0.51 3.948,0.719 0.417,0.208 10 false 4 3.521,1.271 3.938,1.479 0.417,0.208 10 false 2 1.583,1.302 2,1.51 0.417,0.208 10 false 1 2.323,0.49 2.74,0.698 0.417,0.208 10 false 3 3.031,0.51 3.594,0.74 0.563,0.229 10 false TWL+ 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 G2 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 G1 0.615,5.375 1.031,5.583 0.417,0.208 10 false H2 0.573,6.615 0.99,6.823 0.417,0.208 10 false H1 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 2.552,0.5 2.969,0.708 0.417,0.208 10 false + 2.344,2.854 2.76,3.063 0.417,0.208 10 false 3 2.333,3.615 2.75,3.823 0.417,0.208 10 false 1 3.521,3.573 3.938,3.781 0.417,0.208 10 false 2 3.51,2.844 3.927,3.052 0.417,0.208 10 false 4 3,2.844 3.531,3.063 0.531,0.219 10 false TWR+ 4.854,3.594 5.271,3.802 0.417,0.208 10 false SPI- 2.563,3.615 2.979,3.823 0.417,0.208 10 false - 2.552,2.854 2.969,3.063 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 3.031,3.573 3.563,3.792 0.531,0.219 10 false TWR- 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 3.042,1.25 3.604,1.479 0.563,0.229 10 false TWL- 2.563,1.271 2.979,1.479 0.417,0.208 10 false - 1.583,0.677 2,0.885 0.417,0.208 10 false 2 2.313,1.271 2.729,1.479 0.417,0.208 10 false 1 2.188,1.74 2.719,1.958 0.531,0.219 10 false E9 2.198,1.927 4.604,2.146 2.406,0.219 10 false Front No. 3 Speaker Assembly LH 2.354,4.073 2.885,4.292 0.531,0.219 10 false E8 2.354,4.25 3.635,4.625 1.281,0.375 10 false Front No. 3 Speaker Assembly RH 4.073,4.24 5.521,4.438 1.448,0.198 10 false Telematics Transceiver 4.073,4.073 4.385,4.25 0.313,0.177 10 false E68

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>PRECAUTION


PROCEDURE

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

Disconnect the E136 radio and display receiver assembly connector.


b.

Disconnect the E9 front No. 3 speaker assembly LH connector.


c.

Disconnect the H2 and H1 rear speaker assembly connectors.


d.

Disconnect the E68 telematics transceiver connector.


e.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E136,E9,E68,H2,H1)Location & Routing

Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

Click Connector(E9)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 2 Speaker Assembly LH

Click Connector(E68)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiver

Click Connector(H2)Body>No. 1 Rear Door Wire / No. 2 Rear Door Wire>Rear Speaker Assembly LH

Click Connector(H1)Body>No. 1 Rear Door Wire / No. 2 Rear Door Wire>Rear Speaker Assembly RH

E136-2 (FL+) or E9-4 (TWL+) - Body ground Always 10 kΩ or higher
E136-7 (FL-) or E9-2 (TWL-) - Body ground Always 10 kΩ or higher
E136-1 (FR+) or E68-1 (SPI+) - Body ground Always 10 kΩ or higher
E136-6 (FR-) or E68-2 (SPI-) - Body ground Always 10 kΩ or higher
E136-3 (RL+) or H2-2 - Body ground Always 10 kΩ or higher
E136-8 (RL-) or H2-1 - Body ground Always 10 kΩ or higher
E136-4 (RR+) or H1-2 - Body ground Always 10 kΩ or higher
E136-9 (RR-) or H1-1 - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

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

Disconnect the E8 front No. 3 speaker assembly RH connector.


b.

Disconnect the E68 telematics transceiver connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E68,E8)Location & Routing

Click Connector(E68)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiver

Click Connector(E8)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 2 Speaker Assembly RH

E68-3 (SPO+) or E8-4 (TWR+) - Body ground Always 10 kΩ or higher
E68-4 (SPO-) or E8-2 (TWR-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

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

NG

REPAIR OR REPLACE HARNESS AND CONNECTOR

3.CHECK HARNESS AND CONNECTOR (FRONT NO. 1 SPEAKER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY)
a.

Disconnect the G1 and G2 front No. 1 speaker assembly connectors.


b.

Disconnect the E8 and E9 front No. 3 speaker assembly connectors.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(G2,E9,G1,E8)Location & Routing

Click Connector(G2)Body>Front Door Wire RH / Front Door Wire LH>Front No. 1 Speaker Assembly LH

Click Connector(E9)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 2 Speaker Assembly LH

Click Connector(G1)Body>Front Door Wire RH / Front Door Wire LH>Front No. 1 Speaker Assembly RH

Click Connector(E8)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 2 Speaker Assembly RH

G2-2 or E9-3 (+) - Body ground Always 10 kΩ or higher
G2-1 or E9-1 (-) - Body ground Always 10 kΩ or higher
G1-2 or E8-3 (+) - Body ground Always 10 kΩ or higher
G1-1 or E8-1 (-) - 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.REPLACE FRONT NO. 3 SPEAKER ASSEMBLY

NG

REPLACE TELEMATICS TRANSCEIVER

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


7.REPLACE FRONT NO. 3 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

8.CHECK FOR DTC
8.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 (FRONT NO. 3 SPEAKER ASSEMBLY IS DEFECTIVE)

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

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