DTC 4-3 Overhead Module Microphone Error: Description
This DTC is output when one of the following occurs: 1) the mayday ECU assembly is malfunctioning; 2) the microphone assembly is malfunctioning; 3) the microphone amplifier assembly is malfunctioning; or 4) the wire harness between the mayday ECU assembly and the map light plate assembly is open or short.
DTC DETECTION CONDITION CHART
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| 4-3 | Communication or communication line is abnormal between mayday ECU and map light plate |
|