RM3660EC _56 Audio / Visual / Telematics _080752 NAVIGATION / MULTI INFO DISPLAY _0528911 NAVIGATION SYSTEM(w/o RST Switch (except 10.25 Inch Display)) C

NAVIGATION / MULTI INFO DISPLAY  NAVIGATION SYSTEM(w/o RST Switch (except 10.25 Inch Display))  B154913  Voice Recognition Microphone2 Circuit Open  


DESCRIPTION

The 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 telephone microphone assembly RH.

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)
·

Telephone microphone assembly RH

·

Navigation receiver assembly

·

Harness or connector



WIRING DIAGRAM

E370424E43
0.781,2.698 2.167,3.135 1.385,0.438 10 false Telephone Microphone Assembly RH 5.698,2.719 6.896,3.094 1.198,0.375 10 false Navigation Receiver Assembly 0.792,2.552 1,2.719 0.208,0.167 10 false T3 5.698,2.563 6.01,2.76 0.313,0.198 10 false I185 5.5,0.938 5.698,1.146 0.198,0.208 10 false 21 1.802,0.948 2.115,1.146 0.313,0.198 10 false 5 1.802,1.885 2.115,2.083 0.313,0.198 10 false 4 1.333,1.979 1.771,2.229 0.438,0.25 10 false MO2- 1.313,1.031 1.75,1.281 0.438,0.25 10 false SNS2 5.74,1.021 6.135,1.188 0.396,0.167 10 false SNS2 5.76,1.979 6.083,2.156 0.323,0.177 10 false MI2- 5.5,1.885 5.698,2.073 0.198,0.188 10 false 18

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 (w/o RST Switch (except 10.25 Inch Display))>PRECAUTION



PROCEDURE

1.CHECK HARNESS AND CONNECTOR (TELEPHONE MICROPHONE ASSEMBLY RH - NAVIGATION RECEIVER ASSEMBLY)
a.

Disconnect the T3 telephone microphone assembly RH connector.


b.

Disconnect the I185 navigation receiver assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
T3-5 (SNS2) - I185-21 (SNS2) Always Below 1 Ω
T3-4 (MO2-) - I185-18 (MI2-) Always Below 1 Ω
T3-5 (SNS2) or I185-21 (SNS2) - Body ground Always 10 kΩ or higher
T3-4 (MO2-) or I185-18 (MI2-) - 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 T3 telephone microphone assembly RH connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
T3-4 (MO2-) -Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

3.INSPECT TELEPHONE MICROPHONE ASSEMBLY RH (SNS2, MO2-)

NG

REPLACE NAVIGATION RECEIVER ASSEMBLY

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


3.INSPECT TELEPHONE MICROPHONE ASSEMBLY RH (SNS2, MO2-)
a.
E364293C35
0.917,0.583 1.292,1.219 true 1.833,0.583 1.5,1.219 true 0.177,0.125 0.49,0.323 0.313,0.198 10 false *a 0.531,0.448 1.146,0.646 0.615,0.198 10 false SNS2 1.875,0.448 2.49,0.646 0.615,0.198 10 false MO2-
*a Component without harness connected
(Telephone microphone assembly RH)


Remove the telephone microphone assembly RH.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
5 (SNS2) - 4 (MO2-) 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

REPLACE TELEPHONE MICROPHONE ASSEMBLY RH

Click hereAudio / Visual / Telematics>AUDIO / VIDEO>MICROPHONE>REMOVAL