RM36D0EC _56 Audio / Visual / Telematics _083086 AUDIO / VIDEO _0593011 AUDIO AND VISUAL SYSTEM C

AUDIO / VIDEO  AUDIO AND VISUAL SYSTEM  B157913  Voice Recognition Microphone1 Circuit Open  


DESCRIPTION

The telephone microphone assembly is connected to the radio and display receiver assembly via voice recognition microphone 1 signal detection line.

This DTC is stored when the radio and display receiver assembly detects disconnection of telephone microphone assembly.

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

Telephone microphone assembly

·

Radio and display receiver assembly

·

Harness or connector

·

Telematics transceiver


Navigation System A

WIRING DIAGRAM

E503056E14
0.656,2.333 2.042,2.708 1.385,0.375 10 false Telephone Microphone Assembly 3.302,2.479 4.833,2.688 1.531,0.208 10 false Telematics Transceiver 3.292,2.281 3.823,2.594 0.531,0.313 10 false G131 5.323,2.49 7.021,2.854 1.698,0.365 10 false Radio and Display Receiver Assembly 5.313,2.313 5.823,2.552 0.51,0.24 10 false G156 5.76,0.948 6.198,1.115 0.438,0.167 10 false SNS 5.479,0.813 5.729,0.979 0.25,0.167 10 false 25 3.781,1.885 4.219,2.052 0.438,0.167 10 false MCI- 3.552,1.74 3.781,1.917 0.229,0.177 10 false 7 1.302,0.938 1.74,1.104 0.438,0.167 10 false SNS1 1.792,0.813 1.958,0.99 0.167,0.177 10 false 1 1.813,1.781 1.979,1.958 0.167,0.177 10 false 2 0.583,3.229 2.906,3.469 2.323,0.24 10 false Map Light Assembly 2.083,0.771 2.521,0.938 0.438,0.167 10 false SNS1 2.115,1.76 2.552,1.927 0.438,0.167 10 false MO1- 0.594,3.073 1.656,3.25 1.063,0.177 10 false P24 2.615,0.813 2.833,1 0.219,0.188 10 false 2 2.625,1.75 2.854,1.927 0.229,0.177 10 false 3 0.656,2.177 2.042,2.552 1.385,0.375 10 false A 1.344,1.885 1.781,2.052 0.438,0.167 10 false MO1-

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 (MAP LIGHT ASSEMBLY - RADIO AND DISPLAY RECEIVER ASSEMBLY, TELEMATICS TRANSCEIVER)
a.

Disconnect the P24 map light assembly connector.


b.

Disconnect the G156 radio and display receiver assembly connector.


c.

Disconnect the G131 telematics transceiver connector.


d.

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

Standard Resistance:
Tester Connection Condition Specified Condition
P24-2 (SNS1) - G156-25 (SNS) Always Below 1 Ω
P24-3 (MO1-) - G131-7 (MCI-) Always Below 1 Ω
G156-25 (SNS) - 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 radio and display receiver assembly connectors connected, disconnect the P24 map light assembly connector.


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
P24-3 (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.
E513202C02
2.333,1.104 1.656,0.438 1.656,0.438 1.5,0.438 true 2.552,1.083 2.094,0.229 2.094,0.229 2.281,0.229 true 0.125,0.135 0.438,0.333 0.313,0.198 10 false *a 2.365,0.167 3.063,0.479 0.698,0.313 10 false SNS1 1.083,0.354 1.844,0.667 0.76,0.313 10 false MO1-
*a Component without harness connected
(Map Light Assembly)


Remove the map light assembly.

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


b.

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

Standard Resistance:
Tester Connection Condition Specified Condition
2 (SNS1) - 3 (MO1-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

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


NG

4.INSPECT MAP LIGHT ASSEMBLY
4.INSPECT MAP LIGHT ASSEMBLY
a.
E513201C11
1.521,3.052 1.917,3.302 0.396,0.25 2.531,1.563 2.156,0.74 2.156,0.74 2.354,0.74 true 1.333,3.635 1.094,4.042 true 1.823,4.073 1.521,3.625 true 2.333,1.573 1.885,0.719 1.885,0.719 1.698,0.719 true 0.146,0.208 0.458,0.406 0.313,0.198 10 false *a 1.667,3.094 1.979,3.292 0.313,0.198 10 false A 0.781,4.146 1.281,4.365 0.5,0.219 10 false SNS1 1.75,4.125 2.229,4.333 0.479,0.208 10 false MO1- 2.417,0.667 3.177,0.99 0.76,0.323 10 false SNS1 0.208,2.99 0.521,3.188 0.313,0.198 10 false *b 1.281,0.635 2.094,0.969 0.813,0.333 10 false MO1-
*a Component without harness connected
(Map Light Assembly [Wire Harness Side])
*b Component without harness connected
(Map Light Assembly [Telephone Microphone Assembly])


Remove the map light assembly.

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


b.

Disconnect the telephone microphone assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
2 (SNS1) - A-1 (SNS1) Always Below 1 Ω
3 (MO1-) - A-2 (MO1-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

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


NG

REPLACE MAP LIGHT ASSEMBLY

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