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:

Using the interior lights
Interior lights list Interior light Personal lights (Access Cab and Double Cab models) ■Illuminated entry system When the interior light switch is in the DOOR position, the interior light automatically turns on/off according to whether the doors are locked/unlocked and whether the ...

AUTO LSD system
The AUTO LSD system aids traction by using the traction control system to control engine performance and braking when one of the rear wheels begins to spin. The system should be used only when one of the rear wheels spinning occurs in a ditch or rough surface. ■ System operation The sys ...

Automatic transmission
Select a shift position appropriate for the driving conditions. ■ Shifting the shift lever 5-speed models While the engine switch is on, depress the brake pedal and move the shift lever. 4-speed models While the engine switch is on, depress the brake pedal and move the shift l ...

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