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 3 to the positive battery terminal.

Fig 2: Connecting Terminal 2 To Negative Battery Terminal & Terminal 3 To Positive Battery Terminal
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 3: Checking A/T Control Relay
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Check for continuity between A/T control relay terminals 1 and 4 when the jumper wires are connected to and disconnected from the battery.
If there is any problem with the A/T control relay, replace it.