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

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM  B154913  Voice Recognition Microphone2 Circuit Open  


DESCRIPTION

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

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B154913 Voice Recognition Microphone2 Circuit Open Voice recognition microphone 2 terminal (SNS2) disconnected
(2 trip detection logic)
·

No. 2 telephone microphone assembly RH

·

Microphone assembly RH

·

Map Light Assembly

·

Navigation receiver assembly

·

Harness or connector



WIRING DIAGRAM

E548275E01
0.375,1.958 2.771,2.417 2.396,0.458 10 false No. 2 Telephone Microphone Assembly RH 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 E135 6,0.365 6.198,0.573 0.198,0.208 10 false 21 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 3.948,1.24 4.385,1.49 0.438,0.25 10 false MO2- 3.938,0.479 4.375,0.729 0.438,0.25 10 false SNS2 6.333,0.594 6.729,0.76 0.396,0.167 10 false SNS2 6.323,1.344 6.646,1.521 0.323,0.177 10 false MI2- 5.979,1.125 6.177,1.313 0.198,0.188 10 false 18 0.208,3.208 1.594,3.646 1.385,0.438 10 false Map Light Assembly 5.896,1.333 6.49,1.615 0.594,0.281 10 false E135 0.208,3.01 0.583,3.229 0.375,0.219 10 false Q9 0.344,2.479 3,2.917 2.656,0.438 10 false Microphone Assembly RH 3,0.573 3.313,0.771 0.313,0.198 10 false B 2.99,1.333 3.302,1.531 0.313,0.198 10 false B 4.385,1.229 4.698,1.427 0.313,0.198 10 false 24 4.385,0.458 4.698,0.656 0.313,0.198 10 false 23 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 1.24,0.563 1.552,0.76 0.313,0.198 10 false D 1.219,1.333 1.531,1.531 0.313,0.198 10 false D 4.01,2.177 4.448,2.427 0.438,0.25 10 false GND 4.385,2.063 4.698,2.26 0.313,0.198 10 false 18

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>NAVIGATION / MULTI INFO DISPLAY>NAVIGATION SYSTEM>PRECAUTION


PROCEDURE

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

Disconnect the E135 navigation receiver assembly connector.


b.

Disconnect the Q9 map light assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition

Click Location & Routing(E135,Q9)Location & Routing

Click Connector(E135)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assembly

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

E135-21 (SNS2) - Q9-23 (SNS2) Always Below 1 Ω
E135-18 (MI2-) - Q9-24 (MO2-) Always Below 1 Ω
E135-21 (SNS2) or Q9-23 (SNS2) - Body ground Always 10 kΩ or higher
E135-18 (MI2-) or Q9-24 (MO2-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

2.INSPECT NAVIGATION RECEIVER ASSEMBLY (MI2-)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

2.INSPECT NAVIGATION RECEIVER ASSEMBLY (MI2-)
a.

With the navigation receiver assembly connectors 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

Q9-24 (MO2-) -Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT MAP LIGHT ASSEMBLY

NG

3.INSPECT MAP LIGHT ASSEMBLY

b.
E510262C02
1.938,1.75 2.333,1.271 true 2.865,1.75 2.458,1.26 true 0.115,0.083 0.427,0.281 0.313,0.198 10 false *a 2.708,1.771 3.125,1.969 0.417,0.198 10 false SNS2 1.792,1.76 2.229,1.979 0.438,0.219 10 false MO2-
*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
23 (SNS2) - 24 (MO2-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

NG

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

b.

Disconnect the B microphone assembly RH connector.


c.
E510261C11
1.563,2.708 1.979,3 0.417,0.292 1.583,0.417 2,0.667 0.417,0.25 2.615,1.938 2.448,1.438 false 0.354,1.125 0.635,0.583 false 2.344,1.427 2.083,1.906 false 0.188,0.24 0.5,0.438 0.313,0.198 10 false *a 0.219,2.896 0.531,3.094 0.313,0.198 10 false *b 1.698,0.458 2.177,0.677 0.479,0.219 10 false Q9 1.708,2.771 2.188,2.99 0.479,0.219 10 false B 2.448,1.969 2.99,2.188 0.542,0.219 10 false SNS2 0.688,0.427 1.229,0.646 0.542,0.219 10 false GND 1.906,1.979 2.448,2.198 0.542,0.219 10 false MO2-
*a Component without harness connected
(Map Light Assembly (Roof Wire Side))
*b Component without harness connected
(Map Light Assembly (Microphone Assembly RH 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

Q9-23 (SNS2) - B-1 Always Below 1 Ω
Q9-24 (MO2-) - B-2 Always Below 1 Ω
Q9-23 (SNS2) or B-1 - Q9-18 (GND) Always 10 kΩ or higher
Q9-24 (MO2-) or B-2 - Q9-18 (GND) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.INSPECT MICROPHONE ASSEMBLY RH

NG

5.INSPECT MICROPHONE ASSEMBLY RH

b.

Disconnect the B microphone assembly RH connector.


c.

Disconnect the D no. 2 telephone microphone assembly RH connector.


d.
E471027C04
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 D 1.688,1.906 2,2.104 0.313,0.198 10 false B
*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
B-1 - D-5 Always Below 1 Ω
B-2 - D-4 Always Below 1 Ω
B-2 - D-5 Always 10 kΩ or higher
B-1 - D-4 Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

NG