Transmission Control System Relay: Testing and Inspection

A/T CONTROL RELAY CHECK
1. Remove the A/T control relay.





2. Use jumper wires to connect the A/T control relay terminal (2) to the battery (-) terminal and terminal (4) to the battery (+) terminal.





3. Check the continuity between the terminal (1) and the terminal (3) of the A/T control relay when the jumper wires are connected to and disconnected from the battery.
4. If there is a problem, replace the A/T control relay.