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) |
Engine
General Maintenance
GENERAL MAINTENANCE
CAUTION / NOTICE / HINT
HINT:
Perform these procedures after the engine has cooled down.
PROCEDURE
1. INSPECT DRIVE BELT
Engine Type
See Procedure
2GR-FE
See pag ...
Open in Stop Light Switch Circuit (C1249/49)
DESCRIPTION
The skid control ECU (housed in the actuator assembly) inputs the stop light
switch signal and the condition of brake operation.
The skid control ECU has an open detection circuit, which outputs this DTC when
detecting an open in the stop lig ...
Removal
REMOVAL
PROCEDURE
1. REMOVE FRONT SEAT ASSEMBLY LH
(See page )
2. REMOVE FRONT DOOR SCUFF PLATE LH
3. REMOVE COWL SIDE TRIM SUB-ASSEMBLY LH
4. REMOVE FRONT DOOR OPENING TRIM WEATHERSTRIP LH
5. REMOVE REAR DOOR SCUFF PLATE LH
6. REMOVE REAR ...