Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2011 Mitsubishi Eclipse GTFACTORY OEM SERVICE PROCEDURE

A/T Control Relay Check

Remove the A/T control relay.

Fig 1: Locating A/T Control Relay
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Use jumper wires to connect A/T control relay terminal 3 to the negative battery terminal and terminal 2 to the positive battery terminal.

Fig 2: Checking Continuity Between A/T Control Relay Terminals 1 And 4
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.

CONTINUITY SPECIFICATION

JUMPER WIRE	CONTINUITY BETWEEN TERMINALS NO. 1 AND NO. 4
Connected	Continuity
Disconnected	No continuity

If there is any problem with the A/T control relay, replace it.

Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.