Signal Circuit Inspection

■ Check for Short to Ground in Signal Circuit 

1. IG KEY OFF.
2. Disconnect PCM and APS harness connector.
3. IG KEY ON.
4. Measure resistance between APS1 signal terminal of APS harness connector and chassis ground.

   Specification :  Infinite

   Fig 1: Measuring Resistance Between APS1 Signal Terminal Of APS Harness Connector & Chassis Ground

   Courtesy of KIA MOTORS AMERICA, INC.
5. Is resistance within specification?

   YES 

   • Go to next procedure.

   NO 

   • Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

■ Check for Open in Signal circuit 

1. IG KEY OFF.
2. Disconnect APS harness connector and PCM harness connector.
3. Measure resistance between both ends of APS1 signal line.

   Specification :  Below 1Ω.

   Fig 2: Measuring Resistance Between Both Ends Of APS1 Signal Line

   Courtesy of KIA MOTORS AMERICA, INC.
4. Is resistance within specification?

   YES 

   • Go to next procedure.

   NO 

   • Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.