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 mayday switch on the map light assembly is malfunctioning; or 3) the wire harness between the mayday ECU and the map light is open.

Wiring Diagram:

Step 1-2:

Step 2 (Continued):

INSPECTION PROCEDURE