Fault Codes:
Hyundai HX220 NL EPFC 722-4
Solution:
1. Check for open circuits or short circuits in the CN-81(#1)-CN-52(#09) lines 2. Check for open circuits or short circuits in the CN-81(#2)- fuse box (#28) circuit
Fault Description:
(Testing conditions (When the walking alarm (buzzer) is turned off The walking alarm relay drive unit measures a voltage of no more than 3.0V for 10 seconds (Conditions for termination (When the walking alarm relay is off For 3 seconds, the walking alarm relay drive unit measures a voltage greater than 3.0V
Fault Location:
1. Control function - The walking alarm operation has failed
