DESCRIPTION
The radio and display receiver assembly and inner rear view mirror assembly (amplifier microphone assembly) are connected to each other using the microphone connection detection signal lines.
This DTC is stored when a microphone connection detection signal line is disconnected.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
B1579 |
Microphone signal is lost. |
|
WIRING DIAGRAM
PROCEDURE
1. |
INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
|
2. |
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY)) |
(a) Disconnect the E42 radio and display receiver assembly connector.
(b) Disconnect the P12 inner rear view mirror assembly (amplifier microphone assembly) connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
E42-6 (SNS2) - P12-10 (SGND) |
Always |
Below 1 Ω |
E42-19 (MIN-) - P12-12 (MIC-) |
Always |
Below 1 Ω |
E42-6 (SNS2) - Body ground |
Always |
10 kΩ or higher |
E42-19 (MIN-) - Body ground |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
3. |
INSPECT INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
(a) Remove the inner rear view mirror assembly (amplifier microphone assembly) (See page ).
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY |
NG |
REPLACE INNER REAR VIEW MIRROR ASSEMBLY (AMPLIFIER MICROPHONE ASSEMBLY) |
Differential System
Precaution
PRECAUTION
Before disassembly, clean the outside of the differential assembly and
remove any sand or mud to prevent it from entering the inside of the assembly
during disassembly and installation.
When removing an installed pa ...
Terminals Of Ecu
TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use this procedure to troubleshoot the theft deterrent system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
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