Transmission Control System Relay: Testing and Inspection
A/T Control Relay CheckRemove the A/T control relay.
Use jumper wires to connect A/T control relay terminal (2) to the battery (+) terminal and terminal (4) to the battery (-) terminal.
Check the continuity between terminal (1) and terminal (3) of the A/T control relay when the jumper wires are connected to and disconnected from the battery.
If there is a problem, replace the A/T control relay.