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
OEM System Circuits
- Power Source
- Engine Immobilizer System (w/Smart Key System), Smart Key System, Starting (w/Smart Key System), Steering Lock (w/Smart Key System) and Wireless Door Lock Control (w/Smart Key System)
- Starting (w/o Smart Key System)
- Charging
- Ignition
- Cruise Control, Electronically Controlled Transmission and A/T Indicator and Engine Control
- Engine Immobilizer System (w/o Smart Key System)
- Data Link Connector 3
- Multiplex Communication System (CAN)
- Headlight (w/Daytime Running Light)
- Headlight (w/o Daytime Running Light)
- Stop Light
- Back-Up-Light
- Turn Signal and Hazard Warning Light
- Illumination and Taillight
- Key Reminder (w/o Smart Key System) and Light Reminder
- Interior Light
- Sliding Roof
- Door Lock Control
- Power Window
- Wireless Door Lock Control (w/o Smart Key System)
- Back Door Opener
- ABS, TRAC and VSC
- SRS
- Seat Belt Warning
- Clock
- Tire Pressure Warning System
- EPS
- Shift Lock
- Horn
- Front Wiper and Washer
- Rear Wiper and Washer
- Power Outlet
- Remote Control Mirror
- Mirror Heater and Rear Window Defogger
- Seat Heater
- Audio System
- Combination Meter
- Cooling Fan
- Air Conditioning
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:
- • 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.
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