RM38N0EC _56 Audio / Visual / Telematics _111823 NAVIGATION / MULTI INFO DISPLAY _0502893 NAVIGATION SYSTEM C

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  B1ACA71  Front Right Speaker Cable Actuator Stuck  


DESCRIPTION

This DTC is stored when the stereo component amplifier assembly detects an open in the front speaker RH circuit by energizing the speaker line.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1ACA71 Front Right Speaker Cable Actuator Stuck Open in the front speaker RH circuit is detected.
(1 trip detection logic)
·

Harness or connector

·

Stereo component amplifier assembly

·

Front No. 1 speaker assembly RH

·

Front No. 2 speaker assembly RH

·

Front No. 3 speaker assembly RH

·

Telematics Transceiver



WIRING DIAGRAM

FRONT NO. 1 SPEAKER ASSEMBLY RH
E506629E76
5.594,1.625 6.052,1.823 0.458,0.198 10 false K2 5.615,1.813 6.823,2.271 1.208,0.458 10 false Stereo Component Amplifier Assembly 5.74,0.677 6.198,0.875 0.458,0.198 10 false WFR+ 5.74,1.208 6.198,1.406 0.458,0.198 10 false WFR- 0.49,1.802 2.844,2.021 2.354,0.219 10 false Front No. 1 Speaker Assembly RH 0.469,1.625 0.927,1.823 0.458,0.198 10 false G1 1.74,1.073 1.948,1.271 0.208,0.198 10 false 1 1.719,0.563 1.927,0.76 0.208,0.198 10 false 2 5.542,0.573 5.792,0.802 0.25,0.229 10 false 5 5.49,1.073 5.698,1.271 0.208,0.198 10 false 20

FRONT NO. 3 SPEAKER ASSEMBLY RH
E504839E27
5.615,1.573 6.073,1.771 0.458,0.198 10 false K2 5.615,1.76 6.823,2.219 1.208,0.458 10 false Stereo Component Amplifier Assembly 5.74,0.688 6.198,0.885 0.458,0.198 10 false FR+ 5.74,1.208 6.198,1.406 0.458,0.198 10 false FR- 0.49,1.813 2.844,2.031 2.354,0.219 10 false Front No. 3 Speaker Assembly RH 0.469,1.625 0.927,1.823 0.458,0.198 10 false E10 1.74,1.073 1.948,1.271 0.208,0.198 10 false 1 1.719,0.563 1.927,0.76 0.208,0.198 10 false 2 5.479,0.573 5.688,0.771 0.208,0.198 10 false 13 5.49,1.073 5.698,1.271 0.208,0.198 10 false 28 3.302,0.698 3.76,0.896 0.458,0.198 10 false SPO+ 3.302,1.167 3.76,1.365 0.458,0.198 10 false SPO- 3.073,1.083 3.281,1.281 0.208,0.198 10 false 4 3.094,0.594 3.302,0.792 0.208,0.198 10 false 3 4.24,0.604 4.448,0.802 0.208,0.198 10 false 1 4.25,1.073 4.458,1.271 0.208,0.198 10 false 2 3.844,0.698 4.302,0.896 0.458,0.198 10 false SPI+ 3.865,1.146 4.323,1.344 0.458,0.198 10 false SPI- 3.135,1.573 3.594,1.771 0.458,0.198 10 false E68 3.125,1.781 5.479,2 2.354,0.219 10 false Telematics Transceiver

FRONT NO. 2 SPEAKER ASSEMBLY RH
E506276E24
5.583,1.615 6.042,1.813 0.458,0.198 10 false K2 5.615,1.813 6.823,2.271 1.208,0.458 10 false Stereo Component Amplifier Assembly 5.74,0.688 6.198,0.885 0.458,0.198 10 false TWR+ 5.74,1.208 6.198,1.406 0.458,0.198 10 false TWR- 0.49,1.802 2.844,2.021 2.354,0.219 10 false Front No. 2 Speaker Assembly RH 0.469,1.625 0.927,1.823 0.458,0.198 10 false E133 1.74,1.063 1.948,1.26 0.208,0.198 10 false 2 1.719,0.563 1.927,0.76 0.208,0.198 10 false 4 5.479,0.563 5.729,0.792 0.25,0.229 10 false 11 5.49,1.073 5.698,1.271 0.208,0.198 10 false 26

PROCEDURE

1.CHECK PROBLEM SYMPTOM
a.

Confirm the problem symptoms and proceed to the respective link.


Result:
Result Proceed to
No sound is output from the front No. 1 speaker assembly RH A
No sound is output from the front No. 3 speaker assembly RH B
No sound is output from the front No. 2 speaker assembly RH C



A

2.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY RH)

B

4.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH)

C

7.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY RH)
2.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 1 SPEAKER ASSEMBLY RH)
a.

Disconnect the K2 stereo component amplifier assembly connector.


b.

Disconnect the G1 front No. 1 speaker assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(K2,G1)Location & Routing

Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assembly

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

K2-5 (WFR+) - G1-2 Always Below 1 Ω
K2-20 (WFR-) - G1-1 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT FRONT NO. 1 SPEAKER ASSEMBLY RH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 3 SPEAKER ASSEMBLY RH)
a.

Disconnect the K2 stereo component amplifier assembly connector.


b.

Disconnect the E10 front No. 3 speaker assembly RH connector.


c.

Disconnect the E68 Telematics Transceiver connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(K2,E68,E10)Location & Routing

Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assembly

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

Click Connector(E10)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 2 Speaker Assembly RH

K2-13 (FR+) - E68-1 (SPI+) Always Below 1 Ω
K2-28 (FR-) - E68-2 (SPI-) Always Below 1 Ω
E68-3 (SPO+) - E10-2 Always Below 1 Ω
E68-4 (SPO-) - E10-1 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

5.INSPECT TELEMATICS TRANSCEIVER

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

5.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

6.INSPECT FRONT NO. 3 SPEAKER ASSEMBLY RH

NG

REPLACE TELEMATICS TRANSCEIVER

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


7.CHECK HARNESS AND CONNECTOR (STEREO COMPONENT AMPLIFIER ASSEMBLY - FRONT NO. 2 SPEAKER ASSEMBLY RH)
a.

Disconnect the K2 stereo component amplifier assembly connector.


b.

Disconnect the E133 front No. 2 speaker assembly RH connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(K2,E133)Location & Routing

Click Connector(K2)Body>Floor Wire>Stereo Component Amplifier Assembly

Click Connector(E133)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Front No. 3 Speaker Assembly RH

K2-11 (TWR+) - E133-4 Always Below 1 Ω
K2-26 (TWR-) - E133-2 Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

8.REPLACE FRONT NO. 2 SPEAKER ASSEMBLY RH

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.REPLACE FRONT NO. 2 SPEAKER ASSEMBLY RH
a.

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

HINT:

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>PILLAR SPEAKER>REMOVAL


Result:
Proceed to
NEXT




NEXT

9.CHECK FOR DTC
9.CHECK FOR DTC
a.

Clear the DTCs.

Body Electrical > Navigation System > Clear DTCs
50002 496

b.

In accordance with the display of the GTS, perform a speaker circuit energization inspection.

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>UTILITY

Body Electrical > Navigation System > Utility
Tester Display
Speaker Line Electricity Check
50005 496 4768

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 B1ACA71 is output B



A

END (FRONT NO. 2 SPEAKER ASSEMBLY RH IS DEFECTIVE)

B

REPLACE STEREO COMPONENT AMPLIFIER ASSEMBLY

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>STEREO COMPONENT AMPLIFIER>REMOVAL