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Toyota Corolla Owners Manual: Emission inspection and maintenance (I/M) programs

Toyota Corolla 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 battery is disconnected or discharged Readiness codes that are set during ordinary driving are erased.

Also, depending on your driving habits, the readiness codes may not be completely set.

● When the fuel tank cap is loose The malfunction indicator lamp comes on indicating a temporary malfunction and your vehicle may not pass the I/M test.

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
CAUTION ■If the engine is running Turn the engine off and ensure that there is adequate ventilation before performing maintenance checks. ...

Do-it-yourself maintenance
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Other materials:

Combination meter assy
Overhaul Hint: components: 1. Remove meter hood subassy 2. Remove combination meter assy Remove the screw.  disengage the 2 clips as shown in the illustration.  disconnect the connector, then remove the combination meter. 3. Remove combination meter glass Dise ...

Starting off on a steep uphill
► Automatic transmission or continuously variable transmission 1 Make sure that the parking brake is set and shift the shift lever to D. 2 Gently depress the accelerator pedal. 3 Release the parking brake. ► Manual transmission 1 With the parking brake firmly set and the clutch pe ...

Bluetooth audio/phone
The following can be performed using Bluetooth wireless communication: ■ Bluetooth audio The Bluetooth audio system enables you to enjoy music played on a portable player from the vehicle speakers via wireless communication. This audio system supports Bluetooth, a wireless data system ...

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