Toyota Tacoma manuals

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

Toyota Tacoma 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:

● 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 as a temporary malfunction and your vehicle may not pass the I/M test.

■ When the malfunction indicator lamp goes off 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.

General maintenance
Listed below are the general maintenance items that should be performed at the intervals specified in the Scheduled Maintenance Guide or Owners Manual Supplement. It is recommended that any p ...

When trouble arises
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Other materials:

Windshield wipers and washer
■ Without intermittent type Type A   Low speed windshield wiper operation High speed windshield wiper operation Temporary operation Washer operation Type B Low speed windshield wiper operation High speed windshield wiper operation Temporary operation Washer op ...

Checking and replacing fuses
If any of the electrical components do not operate, a fuse may have blown. If this happens, check and replace the fuses as necessary. Turn the engine switch to the LOCK position. The fuses are located in the following places. To check the fuses, follow the instructions below. Engine comp ...

What to do if...
■ Instrument cluster ■ Center panel ■Warning lights *1: Slip indicator comes on. *2: The indicator flashes to indicate a malfunction. GAS STATION INFORMATION ...

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