2003 Toyota Tacoma Owners Manual - Page 122

'03 Tacoma U (L/O 0209) NOTICE Do not drive the vehicle with the warning light on-even for one block. It may ruin the engine. (e) Malfunction Indicator Lamp This lamp comes on when the ignition key is turned to the "ON" position and goes off after the engine starts. This means that the warning light system is operating properly. If the lamp remains on, or the lamp comes on while driving, first check the followings. If the fuel tank is not empty or the fuel tank cap is not loose... CAUTION Be especially careful to prevent erroneous pedal operation. Emissions Inspection and Maintenance (I/M) programs Your vehicle may not pass a state emission inspection if the malfunction indicator lamp remains on. Contact your Toyota dealer to check your vehicle's emission control system and OBD (On-Board Diagnostics) system before taking your vehicle for the inspection. For details, see "Emissions Inspection and Maintenance (I/M) programs" in Section 6. (f) Low Fuel Level Warning Light This light comes on when the fuel level in the tank becomes nearly empty. Fill up the tank as soon as possible. On inclines or curves, due to the movement of fuel in the tank, the low fuel level warning light may come on earlier than usual. D There is a problem somewhere in the engine, emission control system, automatic transmission electrical system or warning light system itself. Contact your Toyota dealer as soon as possible to service the vehicle. Four-wheel drive models and Pre Runner with 5VZ-FE engine only- If the engine speed does not increase with the accelerator pedal depressed down to about the middle position, there may be a problem somewhere in your electronic throttle control system. At this time, if you depress the accelerator pedal more firmly and slowly, you can drive your vehicle at low speeds. Have your vehicle checked by your Toyota dealer as soon as possible. Even if the abnormality of the electronic throttle control system is corrected during low speed driving, the system may not be recovered until the engine is stopped and the ignition key is turned to "ACC" or "LOCK" position. D Empty fuel tank If the fuel tank is empty, refuel immediately. D Loose fuel tank cap If the fuel tank cap is loose, securely tighten it. These cases are temporary malfunctions. The malfunction indicator lamp will go off after taking several driving trips. If the lamp will not go off even after the several trips, contact your Toyota dealer as soon as possible. 122 2003 MY TACOMA (OM35800U)