A/T Key Interlock Solenoid

Remove the solenoid connector.
Using an ohmmeter, measure the resistance between terminals.

Fig 1: Checking A/T Key Interlock Solenoid Resistance
Courtesy of HYUNDAI MOTOR CO.
1. Standard resistance: 12-16 ohms
Attach the positive (+) lead from the battery to terminal #2. and the negative (-) lead to terminal #1.

Fig 2: Checking A/T Key Interlock Solenoid For Noise
Courtesy of HYUNDAI MOTOR CO.
Check that an operation noise can be heard from the solenoid.