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.
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HOMESERVICE MANUALSMITSUBISHI2004ECLIPSE L4-2.4L SOHCREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLETESTING AND INSPECTIONCOMPONENT TESTSA/T CONTROL RELAY CHECK
2004 Mitsubishi Eclipse L4-2.4L SOHC
A/T Control Relay Check
2004 Mitsubishi Eclipse L4-2.4L SOHCSECTION A/T Control Relay Check
A/T CONTROL RELAY CHECK
1. Remove the A/T control relay.
2. Use jumper wires to connect the A/T control relay terminal 2 to the positive battery terminal and terminal 3 to the negative battery terminal.
3. Check the continuity between terminal 1 and terminal 4 of the A/T control relay when the jumper wires are connected to and disconnected from the battery
4. If there is any problem with the A/T control relay, replace it.
1. Remove the A/T control relay.
2. Use jumper wires to connect the A/T control relay terminal 2 to the positive battery terminal and terminal 3 to the negative battery terminal.
3. Check the continuity between terminal 1 and terminal 4 of the A/T control relay when the jumper wires are connected to and disconnected from the battery
4. If there is any problem with the A/T control relay, replace it.
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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.