Fault Codes:
Hyundai HX220 NL EPFC 167-4
Solution:
1. Check for open circuits or short circuits in the CN-70(#1)-CN-52(#05) lines 2. Check for open circuits or short circuits in the CN-70(#2)- fuse box (#28) circuit
Fault Description:
I. (Testing Conditions (When the walking speed solenoid valve is closed For 10 seconds, the measurement voltage of the walking speed solenoid valve drive unit is ≤3.0V (Conditions for termination (When the walking speed solenoid valve is closed For 3 seconds, the walking speed solenoid valve drive unit measures a voltage greater than 3.0V Two, (in non-parking mode) (Testing conditions (When the walking speed solenoid valve is closed For 10 seconds, the measurement voltage of the walking speed solenoid valve drive unit is ≤3.0V (Conditions for termination (When the walking speed solenoid valve is closed For 3 seconds, the walking speed solenoid valve drive unit measures a voltage greater than 3.0V
Fault Location:
1. Control function - The 1/2 gear variable speed walking operation has failed
