RM3660EC _56 Audio / Visual / Telematics _080753 TELEMATICS _0397006 TELEMATICS SYSTEM(for Gasoline Model) C

TELEMATICS  TELEMATICS SYSTEM(for Gasoline Model)  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 engine switch is on (IG)
·

Telematics transceiver

·

Telephone microphone assembly LH*1

·

Map light assembly*2

·

Telephone microphone assembly*2

·

Harness or connector



*1: for 10.25 Inch Display or 9 Inch Display without RST Switch

*2: except 10.25 Inch Display or 9 Inch Display without RST Switch


WIRING DIAGRAM

for 10.25 Inch Display or 9 Inch Display without RST Switch
E503457E17
1.406,0.823 1.969,1.031 0.563,0.208 10 false MCVD 1.469,1.271 1.906,1.479 0.438,0.208 10 false MCI+ 1.5,1.74 1.917,1.948 0.417,0.208 10 false MCI- 1.417,2.198 1.896,2.417 0.479,0.219 10 false SGND 1.896,0.833 2.25,1.042 0.354,0.208 10 false 5 1.896,1.271 2.323,1.49 0.427,0.219 10 false 6 1.896,1.74 2.208,1.979 0.313,0.24 10 false 7 1.896,2.198 2.25,2.417 0.354,0.219 10 false 23 0.49,2.771 0.948,2.979 0.458,0.208 10 false I72 0.49,2.958 2.51,3.167 2.021,0.208 10 false Telematics Transceiver 3.948,0.823 4.26,1.031 0.313,0.208 10 false 1 3.958,1.281 4.25,1.49 0.292,0.208 10 false 2 3.958,1.74 4.26,1.979 0.302,0.24 10 false 4 4.156,0.833 4.719,1.042 0.563,0.208 10 false MAC1 4.156,1.281 4.719,1.49 0.563,0.208 10 false MO1+ 4.177,1.74 4.74,1.948 0.563,0.208 10 false MO1- 4.083,2.625 4.521,2.844 0.438,0.219 10 false T2 4.094,2.813 6.792,3.073 2.698,0.26 10 false Telephone Microphone Assembly LH 2.896,2.198 3.333,2.417 0.438,0.219 10 false * 0.208,3.427 1.563,3.719 1.354,0.292 10 false *: Shielded

except 10.25 Inch Display or 9 Inch Display without RST Switch
E457885E10
0.583,2.469 0.896,2.667 0.313,0.198 10 false T6 0.667,1.823 0.979,2.021 0.313,0.198 10 false D 3.448,1.667 3.948,1.865 0.5,0.198 10 false MCO- 5.49,0.948 5.99,1.146 0.5,0.198 10 false MCVD 5.479,1.563 5.979,1.76 0.5,0.198 10 false MCI- 5.302,2.458 5.802,2.656 0.5,0.198 10 false I72 5.292,0.833 5.604,1.052 0.313,0.219 10 false 5 3.906,0.844 4.219,1.063 0.313,0.219 10 false 7 5.292,1.469 5.604,1.688 0.313,0.219 10 false 7 3.906,1.469 4.219,1.688 0.313,0.219 10 false 5 5.313,2.646 6.854,2.927 1.542,0.281 10 false Telematics Transceiver 0.583,2.646 2.823,2.969 2.24,0.323 10 false Map Light Assembly 2.375,0.854 2.688,1.073 0.313,0.219 10 false 5 2.365,1.469 2.677,1.688 0.313,0.219 10 false 2 0.667,2 2.813,2.385 2.146,0.385 10 false Telephone Microphone Assembly 3.417,1.052 3.917,1.25 0.5,0.198 10 false MACC

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 Registration for Telematics System.

Click hereAudio / Visual / Telematics>TELEMATICS>TELEMATICS SYSTEM (for Gasoline Model)>REGISTRATION

·

Before replacing the telematics transceiver, refer to Service Bulletin.



PROCEDURE

1.CHECK DTC
a.

Turn the engine switch off.


b.

Connect the GTS to the DLC3.


c.

Turn the engine switch on (IG) and wait for 10 seconds or more.


d.

Turn the GTS on.


e.

Clear the DTCs.

Body Electrical > Telematics > Clear DTCs
50002 459

f.

Check for DTCs and check that no DTCs are output.

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 MODEL
2.CHECK MODEL
a.

Choose the model to be inspected.

Result:
Result Proceed to
for 10.25 Inch Display or 9 Inch Display without RST Switch A
except 10.25 Inch Display or 9 Inch Display without RST Switch B




A

3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)

B

6.INSPECT TELEMATICS TRANSCEIVER
3.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - TELEPHONE MICROPHONE ASSEMBLY LH)
a.

Disconnect the I72 telematics transceiver connector.


b.

Disconnect the T2 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
I72-5 (MCVD) - T2-1 (MAC1) Always Below 1 Ω
I72-6 (MCI+) - T2-2 (MO1+) Always Below 1 Ω
I72-7 (MCI-) - T2-4 (MO1-) Always Below 1 Ω
I72-5 (MCVD) or T2-1 (MAC1) - Body ground Always 10 kΩ or higher
I72-6 (MCI+) or T2-2 (MO1+) - Body ground Always 10 kΩ or higher
I72-7 (MCI-) or T2-4 (MO1-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

4.CHECK TELEMATICS TRANSCEIVER (TELEPHONE MICROPHONE ASSEMBLY LH POWER SOURCE)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

4.CHECK TELEMATICS TRANSCEIVER (TELEPHONE MICROPHONE ASSEMBLY LH POWER SOURCE)
a.

Remove the telephone microphone assembly LH but do not disconnect the connectors.

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


b.
E364326C38
1.5,0.219 1.885,0.448 0.385,0.229 2.458,1.885 2.198,1.375 true 1.146,1.917 1.458,1.385 true 1.594,0.25 2.115,0.573 0.521,0.323 10 false T2 0.198,0.167 0.427,0.354 0.229,0.188 10 false *a 2.333,1.906 2.75,2.063 0.417,0.156 10 false MAC1 0.969,1.927 1.375,2.135 0.406,0.208 10 false MO1-
*a Component with harness connected
(Telephone Microphone Assembly LH)


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

Standard Voltage:
Tester Connection Switch Condition Specified Condition
T2-1 (MAC1) - Body ground Engine switch on (IG) 7.5 to 8.5 V


Standard Resistance:
Tester Connection Condition Specified Condition
T2-4 (MO1-) - Body ground Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY LH

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


NG

5.REPLACE TELEMATICS TRANSCEIVER
6.INSPECT TELEMATICS TRANSCEIVER
a.
E413603C05
2.292,1.802 2.125,1.094 2.125,1.094 1.958,1.094 false 2.479,1.802 2.625,1.052 2.625,1.052 2.792,1.052 false 1.635,0.99 2.094,1.188 0.458,0.198 10 false MCI- 2.854,0.979 3.313,1.177 0.458,0.198 10 false MCVD 0.177,0.156 0.469,0.417 0.292,0.26 10 false *a
*a Component with harness connected
(Telematics Transceiver)


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

Standard Voltage:
Tester Connection Condition Specified Condition
5 (MCVD) - Body ground Engine switch on (IG) 4 to 6 V


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



Result:
Proceed to
OK
NG



OK

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

NG

10.REPLACE TELEMATICS TRANSCEIVER
7.CHECK HARNESS AND CONNECTOR (TELEMATICS TRANSCEIVER - MAP LIGHT ASSEMBLY)
a.

Disconnect the I72 telematics transceiver connector.


b.

Disconnect the T6 map light assembly connector.


c.

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

Standard Resistance:
Tester Connection Condition Specified Condition
I72-5 (MCVD) - T6-7 (MACC) Always Below 1 Ω
I72-7 (MCI-) - T6-5 (MCO-) Always Below 1 Ω
I72-5 (MCVD) or T6-7 (MACC) - Body ground Always 10 kΩ or higher
I72-7 (MCI-) or T6-5 (MCO-) - Body ground Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

8.INSPECT MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

8.INSPECT MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY)
a.

Remove the map light assembly (telephone microphone assembly).

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


b.
B129570C64
1.427,0.99 1.427,0.271 false 1.823,0.969 2.198,0.292 false 0.073,0.094 0.354,0.333 0.281,0.24 10 false *a 1.24,0.094 1.76,0.313 0.521,0.219 10 false MACC 2.104,0.104 2.542,0.313 0.438,0.208 10 false MCO-
*a Component without harness connected
(Map Light Assembly (Telephone Microphone Assembly))


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

Standard Resistance:
Tester Connection Condition Specified Condition
7 (MACC) - 5 (MCO-) Always Below 1 Ω



Result:
Proceed to
OK
NG



OK

REPLACE TELEMATICS TRANSCEIVER

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


NG

9.INSPECT MAP LIGHT ASSEMBLY
9.INSPECT MAP LIGHT ASSEMBLY
a.

Remove the map light assembly.

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


b.

Disconnect the D telephone microphone assembly connector.


c.
E312433C02
1.458,0.396 1.844,0.646 0.385,0.25 1.479,2.813 1.875,3.063 0.396,0.25 1.438,1.417 1.156,0.906 false 1.76,1.427 2.063,0.917 false 0.521,0.385 0.833,0.583 0.313,0.198 10 false *a 0.521,2.719 0.833,2.917 0.313,0.198 10 false *b 2.042,0.719 2.542,0.938 0.5,0.219 10 false MCO- 0.813,0.719 1.292,0.927 0.479,0.208 10 false MACC 1.635,2.854 1.948,3.052 0.313,0.198 10 false D 1.583,0.458 2.063,0.667 0.479,0.208 10 false T6
*a Component without harness connected
(Map Light Assembly (No. 1 Roof Wire Side))
*b Component without harness connected
(Map Light Assembly (Telephone Microphone Assembly Side))


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

Standard Resistance:
Tester Connection Condition Specified Condition
D-5 - T6-7 (MACC) Always Below 1 Ω
D-2 - T6-5 (MCO-) Always Below 1 Ω
T6-7 (MACC) - T6-5 (MCO-) Always 10 kΩ or higher



Result:
Proceed to
OK
NG



OK

REPLACE TELEPHONE MICROPHONE ASSEMBLY

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


NG

REPLACE MAP LIGHT ASSEMBLY

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