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 A/T control relay terminal 3 to the negative battery terminal and terminal 2 to the positive battery terminal.
3. Check for continuity between A/T control relay terminals 1 and 4 when the jumper wires are connected to and disconnected from the battery.





4. If there is any problem with the A/T control relay, replace it.