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 MANUALSTOYOTA2010SIENNA FWD V6-3.5L (2GR-FE)REPAIR AND DIAGNOSISRESTRAINTS AND SAFETY SYSTEMSAIR BAG SYSTEMSTESTING AND INSPECTIONREADING AND CLEARING DIAGNOSTIC TROUBLE CODESCHECK MODE PROCEDURE
2010 Toyota Sienna FWD V6-3.5L (2GR-FE)
Check Mode Procedure
2010 Toyota Sienna FWD V6-3.5L (2GR-FE)SECTION Check Mode Procedure
SUPPLEMENTAL RESTRAINT SYSTEM: AIRBAG SYSTEM: CHECK MODE PROCEDURE
1. CHECK MODE (SIGNAL CHECK): DTC CHECK
(a) Turn the ignition switch to the LOCK position.
(b) Connect the Techstream to the DLC3.
(c) Turn the ignition switch to the ON position and turn the Techstream on.
(d) Enter the following menus: Body Electrical / SRS Airbag / Utility / Signal Check, and proceed with checking using the Techstream.
NOTICE:
Select "Signal Check" displayed on the Techstream to clear the output DTCs (both present and past).
HINT
* DTCs can be detected more sensitively in check mode than in normal diagnosis mode.
* Perform check mode inspection when a malfunction in each squib circuit is suspected even after the normal system code is output through normal diagnosis mode inspection.
RENDER: 1.0x
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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.