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) |
Headlight Leveling ECU Power Source Circuit
DESCRIPTION
This circuit detects the state of the ignition switch, and sends it to the headlight
leveling ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the followin ...
Winter driving tips
Carry out the necessary preparations and inspections before driving the vehicle
in winter. Always drive the vehicle in a manner appropriate to the prevailing weather
conditions.
- Pre-winter preparations
• Use fluids that are appropriate to the p ...
Speed Sensor Rotor Faulty (C1237/37,C1275/75-C1278/78)
DESCRIPTION
The skid control ECU measures the speed of each wheel by receiving signals from
the speed sensor.
These signals are used for recognizing that all four wheels are operating properly.
Therefore, all wheel signals must be equal.
DTCs C1275/75 to ...