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.
2012 Scion tC L4-2.5L (2AR-FE)FACTORY OEM SERVICE PROCEDURE
Removal
POWER DISTRIBUTION: POWER SOURCE CONTROL ECU: REMOVAL
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY Removal
2. REMOVE LOWER INSTRUMENT COVER RH Removal
3. REMOVE ECU INTEGRATION BOX RH
(a) Disconnect the 4 connectors.
(b) Remove the bolt, nut and ECU integration box RH.
4. REMOVE POWER SOURCE CONTROL ECU
(a) Detach the 2 claws and remove the power source control ECU.
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.