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Toyota Sienna 2010-2019 Owners Manual: Emission inspection and maintenance (I/M) programs

Toyota Sienna 2010-2019 Owners Manual / Maintenance and care / Maintenance / Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.

If the malfunction indicator lamp comes on

The OBD system determines that a problem exists somewhere in the emission control system. Your vehicle may not pass the I/M test and may need to be repaired. Contact your Toyota dealer to service the vehicle.

Your vehicle may not pass the I/M test in the following situations:

When the malfunction indicator lamp still remains on after several driving trips

The error code in the OBD system will not be cleared unless the vehicle is driven 40 or more times

If your vehicle does not pass the I/M test

Contact your Toyota dealer to prepare the vehicle for re-testing.

Vehicle exterior
Items Check points Doors Do the doors operate smoothly? Engine hood Does the engine hood lock system work properly? ...

Do-it-yourself maintenance
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Other materials:

Diagnostic trouble code chart
HINT: If a trouble code is displayed during the DTC check, inspect the circuit listed for that code. For details of each code, refer to the relevant page listed under respective "DTC No." in the DTC chart. TIRE PRESSURE WARNING SYSTEM: ...

Position Sensor Circuit
DESCRIPTION When SET and 1 or 2 are pressed, the position sensor detects the mirror position and sends the signal to the outer mirror control ECU. Then when position 1 or 2 is pressed, the outer mirror control ECU drives the mirror motor based on the memorized sensor positions. HINT: The ...

Inspection
1. INSPECT FUEL INJECTOR ASSEMBLYV (A) inspect the injector resistance. (1) Using an ohmmeter, measure the resistance between the terminals. Standard resistance If the resistance is not as specified, replace the injector. (b) Inspect the injection volume. CAUTION: This test ...

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