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.
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HOMESERVICE MANUALSTOYOTA2008YARIS S, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISBRAKESBRAKES CONTROL SYSTEMSBRAKE CONTROL SYSTEMANTI-LOCK BRAKE SYSTEMDTC U0073/94 CONTROL MODULE COMMUNICATION BUS OFFINSPECTION PROCEDURE
2008 Toyota Yaris S, 4D Sedan, Automatic
Inspection Procedure
2008 Toyota Yaris S, 4D Sedan, AutomaticSECTION Inspection Procedure
- RECONFIRM DTC
- Clear the DTC (See DTC CHECK / CLEAR ).
- Check if the same DTC is output (See DTC CHECK / CLEAR
).
Result
RESULT CHARTResult Proceed to DTC output A DTC not output B
B: END
A: REPAIR CAN COMMUNICATION SYSTEM (See HOW TO PROCEED WITH TROUBLESHOOTING )
RENDER: 1.0x
NO RELATED
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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.