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.
2016 Scion iA Automatic TransFACTORY OEM SERVICE PROCEDURE
Engine Control System - Troubleshooting (2 Of 2)
- SFI System
- No. 5 Engine Stalls-After Start/At Idle [07/2015 - ]
- No. 6 Cranks Normally But Will Not Start [07/2015 - ]
- No. 7 Engine Oil Warning Light Illuminated/Message Related To Engine Hydraulic Pressure Malfunction Indicated In Display [07/2015 - ]
- No. 8 Engine Runs Rough/Rolling Idle [07/2015 - ]
- No. Fast Idle/Runs On [07/2015 - ]
- No. 10 Low Idle/Stalls During Deceleration [07/2015 - ]
- No. 11 Engine Stalls/Quits, Engine Runs Rough, Misses, Buck/Jerk, Hesitation/Stumble, Surges [07/2015 - ]
- No. 12 Lack/Loss Of Power-Acceleration/Cruise [07/2015 - ]
- No. 13 Knocking/Pinging-Acceleration/Cruise [07/2015 - ]
- No. 14 Poor Fuel Economy [07/2015 - ]
- No. 15 Emission Compliance [07/2015 - ]
- No. 16 High Oil Consumption/Leakage [07/2015 - ]
- No. 17 Cooling System Concerns-Overheating [07/2015 - ]
- No. 18 Cooling System Concerns-Runs Cold [07/2015 - ]
- No. 19 Exhaust Smoke [07/2015 - ]
- No. 20 Fuel Odor (In Engine Compartment) [07/2015 - ]
- No. 21 Engine Noise [07/2015 - ]
- No. 22 Vibration Concerns (Engine) [07/2015 - ]
- No. 23 A/C Does Not Work Sufficiently [07/2015 - ]
- No. 24 A/C Is Always On Or A/C Compressor Runs Continuously [07/2015 - ]
- No. 25 Exhaust Sulphur Smell [07/2015 - ]
- No. 26 Fuel Refill Concerns [07/2015 - ]
- No. 27 Fuel Filling Shut Off Concerns [07/2015 - ]
- No. 28 Spark Plug Condition [07/2015 - ]
- Vehicle Control History [07/2015 - ]
Factory Service Tools
Use the Manual With the Right Hardware
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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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