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Toyota Sienna 2010-2020 Owners Manual: Emission inspection and maintenance (I/M) programs

Toyota Sienna 2010-2020 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:

Sliding roof switch assembly
ON-VEHICLE INSPECTION 1. INSPECT SLIDING ROOF SWITCH ASSEMBLY Remove the switch. Check the resistance between the terminals when operating the switch. Resistance If the result is not as specified, replace the switch set. ...

Short in Rear Curtain Shield Squib RH Circuit
DTC B1630/83 Short in Rear Curtain Shield Squib RH Circuit DESCRIPTION The rear curtain shield squib RH circuit consists of the center airbag sensor assembly and the curtain shield airbag assembly RH. The circuit instructs the SRS to deploy when deployment conditions are met. DTC B1630/83 ...

Fuel pump resistor
Components REMOVAL 1. REMOVE FUEL PUMP RESISTOR (a) Disconnect the connector. (b) Remove the nut and fuel pump resistor. INSPECTION 1. INSPECT FUEL PUMP RESISTOR (a) Inspect fuel pump resistor. (1) Using an ohmmeter, measure the resistance between the terminals. Standard resi ...

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