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 No.1 to the negative battery terminal and terminal No.2 to the positive battery terminal.
3. Check for continuity between A/T control relay terminals No.3 and No.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.