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 A/T control relay terminal 2 to the negative battery terminal and terminal 4 to the positive battery terminal.

Fig 2: Using Jumper Wires To Connect A/T Control Relay Terminal 2 & 4 To Battery
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Check for continuity between A/T control relay terminals 1 and 3 when the jumper wires are connected to and disconnected from the battery.

Fig 3: Checking For Continuity Between Terminals 1 & 3 Chart
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
If there is any problem with the A/T control relay, replace it.