Component Inspection

Check auto cruise switch

IG "OFF" and disconnect Cruise switch connector.

Measure resistance between signal and ground terminals of Cruise switch connector with "SET" switch depressed. (Component side)

Specification :

RESISTANCE SPECIFICATION

Item	Resistance (Ω)
SET switch	220 Ω ± 5% between signal and ground terminals

Fig 1: Measuring Resistance Between Signal And Ground Terminals Of Cruise Switch Connector

Courtesy of HYUNDAI MOTOR CO.

Is the measured resistance within specification?
YES
1. 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.

NO
1. 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 on the vehicle, use this function to reuse the PCM on the others