A/T Control Relay Check

Remove the A/T control relay.

Fig 1: Removing A/T Control Relay
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Use jumper wires to connect the A/T control relay terminal 2 to the negative battery terminal and terminal 4 to the positive battery terminal.

Fig 2: Connecting Jumper Wires
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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.

Fig 3: Checking Continuity
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
If there is any problem with the A/T control relay, replace it.