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 assembly is malfunctioning; 2) the Mayday switch assembly is malfunctioning; or 3) the wire harness between the Mayday ECU assembly and the roof console box assembly is open or short.

Wiring Diagram:

INSPECTION PROCEDURE

Step 1-2:

Step 2 (Continued):