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 MANUALSTOYOTA2006SIENNA FWD V6-3.3L (3MZ-FE)REPAIR AND DIAGNOSISA L L DIAGNOSTIC TROUBLE CODES ( DTC )TESTING AND INSPECTIONDIAGNOSTIC TROUBLE CODE DESCRIPTIONSENGINE CONTROL SYSTEM - SFI SYSTEM
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)
Engine Control System - SFI System
2006 Toyota Sienna FWD V6-3.3L (3MZ-FE)SECTION Engine Control System - SFI System
DIAGNOSTIC TROUBLE CODE CHART
HINT: Parameters listed in the chart may be different from your readings depending on the type of instruments and other factors.
If any DTCs are displayed during check mode, check the circuit for the DTCs listed in the table. For details of each DTC, refer to the respective "DTC No." in the DTC chart.
P0010-P0051:
P0052-P0123:
P0125-P0171:
P0172-P0300:
P0301-P0304:
P0305-P0341:
P0345-P0430:
P0441-P0453:
P0455-P0657:
P0705-P2138:
P2195-P2239:
P2241-P2A00:
P2A03:
HINT: Parameters listed in the chart may be different from your readings depending on the type of instruments and other factors.
If any DTCs are displayed during check mode, check the circuit for the DTCs listed in the table. For details of each DTC, refer to the respective "DTC No." in the DTC chart.
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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.