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 |
|---|---|---|---|
| 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 ·
Map light assembly |
When replacing the telematics transceiver, make sure to replace it with a new one (w/ Telematics Transceiver).
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed.
Choose the model to be inspected.
| Result | Proceed to |
|---|---|
| for SFTM Made | A |
| for GTMC Made | B |
A
B
Disconnect the Q9 map light assembly connector.
Disconnect the E136 radio and display receiver assembly connector.
Disconnect the E12 telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9,E136,E12)Location & Routingewd_type=routing;type=c,c,c;code=Q9,E136,E12 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30,29 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7 |
||
| Q9-30 (SNS1) - E136-25 (SNS) | Always | Below 1 Ω |
| Q9-29 (MO1-) - E12-7 (MCI-) | Always | Below 1 Ω |
| Q9-30 (SNS1) or E136-25 (SNS) - Body ground | Always | 10 kΩ or higher |
| Q9-29 (MO1-) or E12-7 (MCI-) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
With the telematics transceiver connector connected, disconnect the Q9 map light assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=29 |
||
| Q9-29 (MO1-) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Component without harness connected
(Map Light Assembly) |
Remove the map light assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 30 (SNS1) - 29 (MO1-) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the map light assembly.
Disconnect the B telephone microphone assembly connector.
| *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.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30,29,18 |
||
| Q9-30 (SNS1) - B-1 | Always | Below 1 Ω |
| Q9-29 (MO1-) - B-2 | Always | Below 1 Ω |
| Q9-30 (SNS1) or B-1 - Q9-18 (GND) | Always | 10 kΩ or higher |
| Q9-29 (MO1-) or B-2 - Q9-18 (GND) | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the Q9 map light assembly connector.
Disconnect the E136 radio and display receiver assembly connector.
Disconnect the E12 telematics transceiver connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9,E136,E12)Location & Routingewd_type=routing;type=c,c,c;code=Q9,E136,E12 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30,29 Click Connector(E136)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Navigation Receiver Assemblyewd_type=component;type=c;code=E136;pinno=25 Click Connector(E12)Instrument Panel>Instrument Panel Wire / Telephone Computer Wire>Telephone Transceiverewd_type=component;type=c;code=E12;pinno=7 |
||
| Q9-30 (SNS1) - E136-25 (SNS) | Always | Below 1 Ω |
| Q9-29 (MO1-) - E12-7 (MCI-) | Always | Below 1 Ω |
| Q9-30 (SNS1) or E136-25 (SNS) - Body ground | Always | 10 kΩ or higher |
| Q9-29 (MO1-) or E12-7 (MCI-) - Body ground | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
With the telematics transceiver connector connected, disconnect the Q9 map light assembly connector.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=29 |
||
| Q9-29 (MO1-) - Body ground | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
| *a | Component without harness connected
(Map Light Assembly) |
Remove the map light assembly.
Measure the resistance according to the value(s) in the table below.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| 30 (SNS1) - 29 (MO1-) | Always | Below 1 Ω |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Remove the map light assembly.
Disconnect the B telephone microphone assembly connector.
| *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.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
|
Click Location & Routing(Q9)Location & Routingewd_type=routing;type=c;code=Q9 Click Connector(Q9)Body>Roof Wire>Map Light Assemblyewd_type=component;type=c;code=Q9;pinno=30,29,18 |
||
| Q9-30 (SNS1) - B-1 | Always | Below 1 Ω |
| Q9-29 (MO1-) - B-2 | Always | Below 1 Ω |
| Q9-30 (SNS1) or B-1 - Q9-18 (GND) | Always | 10 kΩ or higher |
| Q9-29 (MO1-) or B-2 - Q9-18 (GND) | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Disconnect the B microphone assembly connector.
Disconnect the C telephone microphone assembly LH connector.
| *a | Component without harness connected
(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.
| Tester Connection | Condition | Specified Condition |
|---|---|---|
| B-1 - C-5 | Always | Below 1 Ω |
| B-2 - C-4 | Always | Below 1 Ω |
| B-1 - C-4 | Always | 10 kΩ or higher |
| B-2 - C-5 | Always | 10 kΩ or higher |
| Proceed to |
|---|
| OK |
| NG |
OK
NG