RM36D0EC _56 Audio / Visual / Telematics _083087 TELEMATICS _0402655 TELEMATICS SYSTEM C

TELEMATICS  TELEMATICS SYSTEM  B157213  Microphone Circuit Open  


DESCRIPTION

This DTC is stored when a microphone signal line is disconnected.

DTC No. Detection Item DTC Detection Condition Trouble Area
B157213 Microphone Circuit Open Current at terminal MCVD is lower than the malfunction threshold for 10 seconds or more while the ignition switch is ON
·

Telematics transceiver

·

Map light sub-assembly

·

Telephone microphone assembly LH

·

Harness or connector



WIRING DIAGRAM

E423824E13
2.323,0.667 2.781,0.854 0.458,0.188 10 false MAC1 2.365,1.563 2.781,1.75 0.417,0.188 10 false MO1- 5.677,0.802 6.167,0.979 0.49,0.177 10 false MCVD 5.708,1.677 6.073,1.854 0.365,0.177 10 false MCI- 5.479,2.948 5.885,3.125 0.406,0.177 10 false G131 5.479,0.667 5.635,0.844 0.156,0.177 10 false 5 2.865,0.656 3.729,0.833 0.865,0.177 10 false 5 5.49,1.573 5.635,1.771 0.146,0.198 10 false 7 2.865,1.552 3.604,1.76 0.74,0.208 10 false 3 5.479,3.125 7.021,3.333 1.542,0.208 10 false Telematics Transceiver 0.698,3.083 2.479,3.323 1.781,0.24 10 false Map Light Sub-assembly 1.823,0.677 1.979,0.865 0.156,0.188 10 false 6 1.833,1.573 1.99,1.76 0.156,0.188 10 false 2 0.771,2.177 2.177,2.552 1.406,0.375 10 false Telephone Microphone Assembly LH 0.781,2.01 0.938,2.188 0.156,0.177 10 false A 0.698,2.917 1.948,3.104 1.25,0.188 10 false P24 5.698,1.229 6.063,1.406 0.365,0.177 10 false MCI+ 5.469,1.125 5.625,1.302 0.156,0.177 10 false 6 2.344,1.125 2.823,1.333 0.479,0.208 10 false MO1+ 2.865,1.125 3.698,1.333 0.833,0.208 10 false 4 1.833,1.135 1.99,1.323 0.156,0.188 10 false 4 1.333,0.781 1.792,0.969 0.458,0.188 10 false MAC1 1.323,1.208 1.802,1.417 0.479,0.208 10 false MO1+ 1.323,1.646 1.74,1.833 0.417,0.188 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. Refer to Precaution for Telematics System.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>PRECAUTION

·

When replacing the telematics transceiver, make sure to replace it with a new one.

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.CHECK DTC
a.

Turn the ignition switch to ON and wait for 10 seconds or more.


b.

Clear the DTCs.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Clear DTCs
50002 459

c.

Check for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Trouble Codes
50001 459
OK:

No DTCs are output.



Result:
Proceed to
OK
NG



OK

USE SIMULATION METHOD TO CHECK

Click hereGeneral>INTRODUCTION>HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS>HOW TO PROCEED WITH TROUBLESHOOTING


NG

2.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)
2.CHECK TELEMATICS TRANSCEIVER (MICROPHONE POWER SOURCE AND BODY GROUND)
HINT:

Measure the connector of the telematics transceiver while it is connected.


a.
E431682C27
1.469,0.531 1.906,0.802 0.438,0.271 2.302,1.823 1.875,1.115 true 2.479,1.813 2.802,1.083 true 2.552,2.625 2.344,1.948 true 0.167,0.167 0.417,0.333 0.25,0.167 10 false *a 1.531,0.604 2,0.854 0.469,0.25 10 false G131 1.708,0.938 2.052,1.115 0.344,0.177 10 false MCI- 2.604,0.917 3.104,1.083 0.5,0.167 10 false MCVD 2.396,2.615 2.823,2.781 0.427,0.167 10 false SGND
*a Component with harness connected
(Telematics Transceiver)


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

Standard Resistance:
Tester Connection Condition Specified Condition
G131-7 (MCI-) - Body ground Always Below 1 Ω
G131-23 (SGND) - Body ground Always Below 1 Ω



b.

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

Standard Voltage:
Tester Connection Condition Specified Condition
G131-5 (MCVD) - Body ground Ignition switch ON 7.5 to 8.5 V



Result:
Proceed to
OK
NG



OK

3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT SUB-ASSEMBLY)

NG

6.REPLACE TELEMATICS TRANSCEIVER
3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT SUB-ASSEMBLY)
a.

Disconnect the G131 telematics transceiver connector.


b.

Disconnect the P24 map light assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
G131-5 (MCVD) - P24-5 (MAC1) Always Below 1 Ω
G131-6 (MCI+) - P24-4 (MO1+) Always Below 1 Ω
G131-7 (MCI-) - P24-3 (MO1-) Always Below 1 Ω
G131-5 (MCVD) or P24-5 (MAC1) - Body ground Always 10 kΩ or higher
G131-6 (MCI+) or P24-4 (MO1+) - Body ground Always 10 kΩ or higher
G131-7 (MCI-) or P24-3 (MO1-) - Body ground Always 10 kΩ or higher
G131-23 (SGND) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.INSPECT MAP LIGHT SUB-ASSEMBLY

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.INSPECT MAP LIGHT SUB-ASSEMBLY
a.

Remove the map light sub-assembly.

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


b.
E513201C13
1.5,2.823 1.885,3.073 0.385,0.25 2.198,1.563 1.573,0.646 1.573,0.646 1.385,0.646 true 1.344,3.635 1.094,3.958 1.094,3.958 0.906,3.958 true 1.51,3.646 1.344,4.198 1.344,4.198 1.156,4.198 true 1.802,3.635 2.073,4.177 2.073,4.177 2.271,4.177 true 1.969,1.563 1.417,0.948 1.417,0.948 1.229,0.948 true 2.573,1.552 2.323,1.01 2.323,1.01 2.469,1.01 true 2.323,1.573 1.938,0.635 1.938,0.635 2.135,0.635 true 2.135,3.646 2.292,3.906 2.292,3.906 2.49,3.906 true 0.26,0.219 0.573,0.417 0.313,0.198 10 false *a 0.323,2.635 0.635,2.833 0.313,0.198 10 false *b 1,0.563 1.792,0.802 0.792,0.24 10 false MO1+ 2.188,0.542 2.927,0.75 0.74,0.208 10 false MO1- 1.635,2.875 2.115,3.083 0.479,0.208 10 false A 2.542,0.906 3.229,1.135 0.688,0.229 10 false SNS1 0.813,0.885 1.74,1.198 0.927,0.313 10 false MAC1 0.542,3.854 1.021,4.063 0.479,0.208 10 false SNS1 2.583,3.833 3.083,4.052 0.5,0.219 10 false MAC1 2.354,4.104 2.854,4.323 0.5,0.219 10 false MO1+ 0.74,4.094 1.24,4.313 0.5,0.219 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 LH Side))


Disconnect the telephone microphone assembly LH 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
5 (MAC1) - A-6 (MAC1) Always Below 1 Ω
4 (MO1+) - A-4 (MO1+) Always Below 1 Ω
3 (MO1-) - A-2 (MO1-) Always Below 1 Ω
2 (SNS1) - 3 (MO1-) Always 10 kΩ or higher
2 (SNS1) - 4 (MO1+) Always 10 kΩ or higher
2 (SNS1) - 5 (MAC1) Always 10 kΩ or higher
3 (MO1-) - 4 (MO1+) Always 10 kΩ or higher
3 (MO1-) - 5 (MAC1) Always 10 kΩ or higher
4 (MO1+) - 5 (MAC1) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

5.REPLACE TELEPHONE MICROPHONE ASSEMBLY

NG

REPLACE MAP LIGHT SUB-ASSEMBLY

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


5.REPLACE TELEPHONE MICROPHONE ASSEMBLY
a.

Replace the telephone microphone assembly with a new or known good one.

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


b.

Clear the DTCs.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Clear DTCs
50002 459

c.

Recheck for DTCs and check that no DTCs are output.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>DTC CHECK / CLEAR

Body Electrical > Telematics > Trouble Codes
50001 459
OK:

No DTCs are output.



Result:
Proceed to
OK
NG



OK

END (TELEPHONE MICROPHONE ASSEMBLY IS DEFECTIVE)

NG

6.REPLACE TELEMATICS TRANSCEIVER
6.REPLACE TELEMATICS TRANSCEIVER
a.

Replace the telematics transceiver with a new one.

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


Result:
Proceed to
NEXT



NEXT

PERFORM REGISTRATION

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM>REGISTRATION