DESCRIPTION
The navigation receiver assembly and telephone microphone assembly are connected to each other using the microphone connection detection signal lines.
This DTC is stored when the microphone connection detection signal is disconnected.
|
DTC Code |
DTC Detection Condition |
Trouble Area |
|---|---|---|
|
B1579 |
Telephone microphone signal is lost. |
|
WIRING DIAGRAM
PROCEDURE
|
1. |
INSPECT NAVIGATION RECEIVER ASSEMBLY |
(a) Remove the navigation receiver assembly with connector still connected.
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
|
|
2. |
CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - TELEPHONE MICROPHONE ASSEMBLY) |
(a) Disconnect the N25 navigation receiver assembly connector.
(b) Disconnect the T26 telephone microphone assembly.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
N25-6 (SNS2) - T26-3 (SNS2) |
Always |
Below 1 Ω |
|
N25-19 (MIN-) - T26-4 (MIC-) |
Always |
Below 1 Ω |
|
N25-6 (SNS2) - Body ground |
Always |
10 kΩ or higher |
|
N25-19 (MIN-) - Body ground |
Always |
10 kΩ or higher |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
INSPECT TELEPHONE MICROPHONE ASSEMBLY |
(a) Remove the telephone microphone assembly (See page
).
|
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | |
REPLACE NAVIGATION RECEIVER ASSEMBLY |
| NG | |
REPLACE TELEPHONE MICROPHONE ASSEMBLY |
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DATA LIST / ACTIVE TEST
1. READ DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
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COMPONENTS
ILLUSTRATION
Inspection
INSPECTION
PROCEDURE
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(a) Check the operate.
(1) Apply battery voltage to the connector, and check the operation of
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PROCEDURE
1.
CHECK CUSTOMER'S CELLULAR PHONE COMPATIBILITY
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Result
Result
Proceed to
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A
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