Torque Converter Clutch Relay: Testing and Inspection
A/T CONTROL RELAY CHECK
1. Remove the A/T control relay.
2. Use jumper wires to connect A/T control relay terminal 2 to the battery (+) terminal and terminal 4 to the battery (-) terminal.
3. Check the continuity between terminal 1 and terminal 3 of the A/T control relay when the jumper wires are connected and disconnected from the battery.
4. If there is a problem, replace the A/T control relay.