Signal Circuit Inspection

WARNING: This page is about a different variant/trim than selected.

Disconnect "C106-3" connector.
Ignition "ON" & Engine "OFF".
Measure voltage between each terminal "1,2,3,4" of the TCM side harness connector and chassis ground.
Specification : approx. 5V

Fig 1: Measuring Voltage Between Terminals No. 1, 2, 3 & 4 Of TCM Side Harness Connector And Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.
Is voltage within specifications?
YES
- Go to "COMPONENT INSPECTION " procedure.
NO
- Check for open or short in harness. Repair as necessary and Go to "VERIFICATION OF VEHICLE REPAIR " procedure. If signal circuit in harness is OK, Substitute with a known-good PCM/TCM and check for proper operation. If the problem is corrected, replace PCM/TCM as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.