Immobilizer TX Terminal Inspection

■ Check short to ground on IMMO TX terminal 

1. IG "ON" & ENG "OFF".
2. Disconnect the connectors of IPM, PDM.
3. Measure resistance between IMMO TX terminal and chassis ground.

   Specification  : ∞ Ω

   Fig 1: E/R Junction Box Circuit Diagram With Connector End Views

   Courtesy of HYUNDAI MOTOR AMERICA
4. Is the measured resistance within specifications?

   YES 

   • Substitute with a known - good PDM and check for proper operation.

   If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

   • Substitute with a known - good fob holder and check for proper operation.

   If the problem is corrected, replace the unit and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

   NO 

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