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 |
Stereo Component Amplifier Disconnected (B15D3)
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DESCRIPTION
Output to the front seat cushion heater assembly LH temperature sensor stops
if one of the following occurs: 1) the temperature sensor is open or shorted; or
2) the temperature sensor is damaged and its output value does not change.
DTC Code
DTC Detection Cond ...
Open in One Side of Bus 5 Branch Line
DESCRIPTION
When the CAN bus main lines are normal (no open, short to ground, short to +B
or short between lines) and there is an ECU or sensor on the "Communication Bus
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Motor Malfunction (C1427)
DESCRIPTION
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
C1427
Motor Malfunction
Actuator pump motor does not operate properly.
Brake actuator assembly (Ground circuit)
Brak ...