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.
2013 Scion tC Automatic TransFACTORY OEM SERVICE PROCEDURE
Problem Symptoms Table
HINT:Β
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to the system before inspecting the suspected areas below.
SMART KEY SYSTEM (FOR START FUNCTION)
| Symptom | Suspected Area | See |
|---|---|---|
| Power source mode does not change to on (IG) or on (ACC) | Refer to "Power Source Mode does not Change to ON (IG and ACC)" | Refer to Power Source Mode does not Change to ON (IG and ACC) |
| Power source mode does not change to on (IG) | Refer to "Power Source Mode does not Change to ON (IG)" | Refer to Power Source Mode does not Change to ON (IG) |
| Power source mode does not change to on (ACC) | Refer to "Power Source Mode does not Change to ON (ACC)" | Refer to Power Source Mode does not Change to ON (ACC) |
| Engine does not start | Refer to "Engine does not Start" | Refer to Engine does not Start |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
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