Component Inspection

Check auto cruise switch

IG "OFF" and disconnect auto cruise switch connector.
Measure resistance between terminals 1 and 2 of auto cruise switch connector with each switch depressed. (Component side)

Measure resistance between terminals 1 and 3 of auto cruise switch connector with each switch depressed. (Component side)

Specification:

ITEM RESISTANCE CHART

Item	Resistance (Ω)
ON/OFF switch	3.9 kΩ ± 5%
SET switch	220 Ω ± 5%
RESUME switch	910 Ω ± 5%
CANCEL switch	0 Ω ± 5%

Fig 1: Measuring Resistance Between Auto Cruise Switch Connector Terminals 1 And 2

Courtesy of HYUNDAI MOTOR CO.

Is the measured resistance within specification?

YES

Substitute with a known - good PCM and check for proper operation. If the problem is corrected, replace PCM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

Substitute with a known - good auto cruise switch and check for proper operation. If the problem is corrected, replace auto cruise switch and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

NOTE: There is a memory reset function on scantool that can erase optional parts automatically detected and memorized by PCM. After testing PCM o-n the vehicle, use this function to reuse the PCM on the others