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 Toyota Yaris SE, Automatic TransFACTORY OEM SERVICE PROCEDURE
External Pages
These are pages that do not belong to the exact selected vehicle (2012 Toyota Yaris L, 2D Hatchback, Automatic Trans), but are still accessible from a link in your vehicle's manual. Be very cautious using repair info from here because these pages may not apply to your vehicle.
- Different variant/trim
- Section 1 (Engine Control System (Sedan) (Diagnostics - Introduction))
- Section 2 (Engine Immobilizer System (Sedan) (Diagnostics - Introduction))
- Section 3 (Automatic Transmission (U340E) (Sedan) (Diagnostics - Introduction))
- Section 4 (Tire Pressure Warning System (Sedan) (Diagnostics - Introduction))
- Section 5 (Vehicle Stability Control System (Sedan) (Diagnostics - Introduction))
- Section 6 (Power Steering System (Sedan) (Diagnostics - Introduction))
- Section 7 (Occupant Classification System (Sedan) (Diagnostics - Introduction))
- Section 8 (Engine Mechanical (Sedan) (Service Specifications))
- Section 9 (Fuel System (Sedan) (Service Specifications))
- Section 10 (Engine Cooling System (Sedan) (Service Specifications))
- Section 11 (Starting System (Sedan) (Service Specifications))
- Section 12 (Alignment / Handling Diagnosis (Sedan) (Service Specifications))
- Section 13 (Brake System (Front) (Sedan) (Service Specifications))
- Section 14 (Brake System (Rear) (Sedan) (Service Specifications))
- Section 15 (Charging System (Sedan) (Service Specifications))
- Section 16 (Air Conditioning (Sedan) (Service Specifications))
- Section 17 (Parking Brake (Sedan) (Inspection))
- Section 18 (Engine Lubrication System (Sedan) (Inspection))
- Section 19 (Engine Cooling System (Sedan) (Inspection))
- Section 20 (Manual Transmission (Service Information))
- Section 21 (Tire & Wheel (Sedan) (Inspection))
- Section 22 (Engine Control System (Sedan) (Diagnostic Codes (P1604-2A00) & Circuit Tests))
- Section 23 (Fuel System (Sedan) (Inspection))
- Section 24 (Ignition System (Sedan) (Inspection))
- Section 25 (Engine Control System (Sedan) (Diagnostic Codes P0010-P0354))
- Section 26 (Charging System (Sedan) (Inspection))
- Section 27 (M/T Clutch (Service Information))
- Section 28 (Engine Intake System (Sedan) (Inspection))
- Section 29 (Air Conditioning System (Sedan) (Diagnostics - Introduction))
- Section 30 (Engine Control System (Sedan) (Diagnostic Codes P043E-P1605))
- Section 31 (Meter / Gauge System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 32 (Meter / Gauge System (Sedan) (Diagnostics - Introduction))
- Section 33 (Emission Control System (Sedan) (Inspection))
- Section 34 (Engine Cooling Fan System (Sedan) (Inspection))
- Section 35 (Starting System (Sedan) (Inspection))
- Section 36 (Cruise Control System (Sedan) (Diagnostics - Introduction))
- Section 37 (Cruise Control System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 38 (Supplemental Restraint System (Sedan) (Diagnostics - Introduction))
- Section 39 (Automatic Transmission (Sedan) (Diagnostic Codes))
- Section 40 (M/T Clutch (Sedan) (Inspection))
- Section 41 (M/T Clutch (Hatchback) (Inspection))
- Section 42 (Anti-Lock Brake System (Sedan) (Diagnostics - Introduction))
- Section 43 (Tire Pressure Warning System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 44 (Anti-Lock Brake System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 45 (Lighting System (Exterior) (Sedan) (Diagnostics & Circuit Tests))
- Section 46 (Can Communication System (Sedan) (Diagnostics & Circuit Tests))
- Section 47 (Vehicle Stability Control System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 48 (Power Steering System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 49 (Audio / Video System (Sedan) (Diagnostics & Symptom Tests))
- Section 50 (Power Door Lock Control System (Sedan) (Diagnostics & Symptom Tests))
- Section 51 (Wireless Door Lock Control System (Sedan) (Diagnostics - Introduction))
- Section 52 (Wireless Door Lock Control System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 53 (Key Reminder Warning System (Sedan) (Diagnostics & Symptom Tests))
- Section 54 (Engine Immobilizer System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 55 (Theft Deterrent System (Sedan) (Diagnostics - Introduction))
- Section 56 (Theft Deterrent System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 57 (Lighting System (Interior) (Sedan) (Diagnostics & Circuit Tests))
- Section 58 (Seat Belt Warning System (Sedan) (Diagnostics & Symptom Tests))
- Section 59 (Supplemental Restraint System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 60 (Wiper System / Washer System (Sedan) (Inspection))
- Section 61 (Clock System (Sedan) (Inspection))
- Section 62 (Mirror (Interior) (Sedan) (Service Information))
- Section 63 (Occupant Classification System (Sedan) (Diagnostic Codes & Symptom Tests))
- Section 64 (Air Conditioning System (Sedan) (Diagnostic Codes & Circuit Tests))
- Section 65 (Power Window Control System (Sedan) (Diagnostics & Symptom Tests))
- Section 66 (Window Defogger (Sedan) (Inspection))
- Section 67 (Power Mirror Control (Sedan) (Inspection))
- Section 68 (Horn (Sedan) (Inspection))
- Different car
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.