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

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  B157913  Voice Recognition Microphone1 Circuit Open  


DESCRIPTION

The no. 2 telephone microphone assembly LH is connected to the navigation receiver assembly via voice recognition microphone 1 signal detection line.

This DTC is stored when the navigation receiver assembly detects disconnection of no. 2 telephone microphone assembly LH, microphone assembly LH or map light assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B157913 Voice Recognition Microphone1 Circuit Open Voice recognition microphone 1 terminal (SNS) disconnected
(2 trip detection logic)
·

No. 2 telephone microphone assembly LH

·

Microphone assembly LH

·

Map light assembly

·

Navigation receiver assembly

·

Harness or connector

·

Telematics transceiver



WIRING DIAGRAM

E548276E01
0.385,1.969 2.792,2.385 2.406,0.417 10 false No. 2 Telephone Microphone Assembly LH 5.76,3 6.958,3.375 1.198,0.375 10 false Navigation Receiver Assembly 5.896,0.583 6.49,0.865 0.594,0.281 10 false E136 6,0.365 6.198,0.573 0.198,0.208 10 false 25 1.24,0.365 1.552,0.563 0.313,0.198 10 false 5 1.25,1.125 1.563,1.323 0.313,0.198 10 false 4 3.948,1.219 4.385,1.469 0.438,0.25 10 false MO1- 3.938,0.479 4.375,0.729 0.438,0.25 10 false SNS1 6.333,0.594 6.729,0.76 0.396,0.167 10 false SNS 0.208,3.208 1.594,3.646 1.385,0.438 10 false Map Light Assembly 0.208,3.01 0.583,3.229 0.375,0.219 10 false Q9 0.344,2.49 3,2.927 2.656,0.438 10 false Microphone Assembly LH 3,0.573 3.313,0.771 0.313,0.198 10 false A 2.99,1.333 3.302,1.531 0.313,0.198 10 false A 4.385,1.24 4.698,1.438 0.313,0.198 10 false 29 4.385,0.458 4.698,0.656 0.313,0.198 10 false 30 3,0.344 3.208,0.51 0.208,0.167 10 false 1 3.01,1.104 3.219,1.271 0.208,0.167 10 false 2 1.229,0.563 1.542,0.76 0.313,0.198 10 false C 1.219,1.333 1.531,1.531 0.313,0.198 10 false C 4.844,1.906 5.438,2.188 0.594,0.281 10 false E12 4.771,1.219 5.083,1.417 0.313,0.198 10 false 7 4.76,2.094 6.271,2.479 1.51,0.385 10 false Telematics Transceiver 4.979,1.313 5.573,1.594 0.594,0.281 10 false MCI- 4.385,2.073 4.698,2.271 0.313,0.198 10 false 18 4.01,2.177 4.406,2.427 0.396,0.25 10 false GND

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>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PRECAUTION



PROCEDURE

1.CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - MAP LIGHT ASSEMBLY, TELEMATICS TRANSCEIVER)
a.

Disconnect the E136 navigation receiver assembly connector.


b.

Disconnect the Q9 map light assembly connector.


c.

Disconnect the E12 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(E136,Q9,E12)Location & Routing

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

Click Connector(Q9)Body>Roof Wire>Map Light Assembly

Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiver

E136-25 (SNS) - Q9-30 (SNS1) Always Below 1 Ω
E12-7 (MCI-) - Q9-29 (MO1-) Always Below 1 Ω
E136-25 (SNS) or Q9-30 (SNS1) - Body ground Always 10 kΩ or higher
E12-7 (MCI-) or Q9-29 (MO1-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

2.INSPECT TELEMATICS TRANSCEIVER (MCI-)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.INSPECT TELEMATICS TRANSCEIVER (MCI-)
a.

With the telematics transceiver connector connected, disconnect the Q9 map light assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(Q9)Location & Routing

Click Connector(Q9)Body>Roof Wire>Map Light Assembly

Q9-29 (MO1-) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT MAP LIGHT ASSEMBLY

NG

REPLACE TELEMATICS TRANSCEIVER

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


3.INSPECT MAP LIGHT ASSEMBLY
a.

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


b.
E510262C03
1.25,1.75 1.646,1.271 true 2.167,1.75 1.76,1.26 true 0.115,0.083 0.427,0.281 0.313,0.198 10 false *a 0.948,1.75 1.365,1.948 0.417,0.198 10 false SNS1 2.146,1.76 2.583,1.979 0.438,0.219 10 false MO1-
*a Component without harness connected
(Map Light Assembly)


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

Standard Resistance:
Tester Connection Condition Specified Condition
30 (SNS1) - 29 (MO1-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

Click hereAudio / Visual / Telematics>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION RECEIVER>REMOVAL


NG

4.INSPECT MAP LIGHT ASSEMBLY
4.INSPECT MAP LIGHT ASSEMBLY
a.

Remove the map light assembly.

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


b.

Disconnect the A microphone assembly LH connector.


c.
E510261C13
1.552,2.688 1.958,2.906 0.406,0.219 1.521,0.479 1.927,0.698 0.406,0.219 1.167,1.833 1.656,1.438 true 2.25,1.833 1.771,1.438 true 0.354,1.146 0.844,0.75 true 1.708,2.719 1.865,2.917 0.156,0.198 10 false A 1.604,0.51 1.917,0.708 0.313,0.198 10 false Q9 0.156,0.083 0.469,0.281 0.313,0.198 10 false *a 0.188,2.271 0.5,2.469 0.313,0.198 10 false *b 0.917,1.885 1.333,2.083 0.417,0.198 10 false SNS1 2.188,1.906 2.615,2.125 0.427,0.219 10 false MO1- 0.927,0.635 1.344,0.833 0.417,0.198 10 false GND
*a Component without harness connected
(Map Light Assembly (Roof Wire Side))
*b Component without harness connected
(Map Light Assembly (Microphone Assembly LH Side))


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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(Q9)Location & Routing

Click Connector(Q9)Body>Roof Wire>Map Light Assembly

Q9-30 (SNS1) - A-1 Always Below 1 Ω
Q9-29 (MO1-) - A-2 Always Below 1 Ω
Q9-30 (SNS1) or A-1 - Q9-18 (GND) Always 10 kΩ or higher
Q9-29 (MO1-) or A-2 - Q9-18 (GND) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.INSPECT MICROPHONE ASSEMBLY LH

NG

REPLACE MAP LIGHT ASSEMBLY

Click hereVehicle Interior>LIGHTING (INT)>PERSONAL LIGHT>REMOVAL


5.INSPECT MICROPHONE ASSEMBLY LH
a.

Remove the microphone assembly LH.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


b.

Disconnect the A microphone assembly LH connector.


c.

Disconnect the C no. 2 telephone microphone assembly LH connector.


d.
E471027C01
1.458,0.146 1.906,0.458 0.448,0.313 1.49,1.844 1.938,2.156 0.448,0.313 0.375,0.823 0.688,1.021 0.313,0.198 10 false *a 0.375,2.531 0.688,2.729 0.313,0.198 10 false *b 1.646,0.219 1.958,0.417 0.313,0.198 10 false C 1.688,1.906 2,2.104 0.313,0.198 10 false A
*a Component without harness connected
(No. 2 Telephone Microphone Assembly Side)
*b Component without harness connected
(Map Light Assembly Side)


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

Standard Resistance:
Tester Connection Condition Specified Condition
A-1 - C-5 Always Below 1 Ω
A-2 - C-4 Always Below 1 Ω
A-2 - C-5 Always 10 kΩ or higher
A-1 - C-4 Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE NO. 2 TELEPHONE MICROPHONE ASSEMBLY LH

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL


NG

REPLACE MICROPHONE ASSEMBLY LH

Click hereAudio / Visual / Telematics>TELEMATICS>TELEPHONE MICROPHONE ASSEMBLY>REMOVAL