DTC 4-7

DTC 4-7 EMERGENCY, VOL+ or VOL- Button has Connection Error

DESCRIPTION

DTC Detection Condition:

This DTC is output when one of the following occurs: 1) the Mayday ECU is malfunctioning; 2) the map light assembly is malfunctioning; 3) the Mayday switch is malfunctioning; or 4) the wire harness between the Mayday ECU and the map light is open or short.

Wiring Diagram:

Step 1-2:

Step 3:

INSPECTION PROCEDURE