Carry out the following procedures if the tires spin or the vehicle
becomes stuck in mud, dirt or snow:
1. Stop the engine. Set the parking brake and shift the shift lever to P. 2. Remove the mud, snow or sand from around the rear wheels. 3. Place wood, stones or some other material to help provide traction under the rear wheels. 4. Restart the engine. 5. Shift the shift lever to D or R and release the parking brake. Then, while exercising caution, depress the accelerator pedal. ■When it is difficult to free the vehicle
Press Turn off TRAC and/or VSC if these functions are hampering your attempts to free the vehicle.
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Toyota Tundra Service Manual > Sfi System: Fuel Pump Control Circuit
DESCRIPTION The fuel pump circuit consists of the ECM, fuel pump and fuel pump ECU (which operates the fuel pump). Based on the engine output, the ECM determines the fuel pump speed. The speed is then converted to a duty signal and sent to the fuel pump ECU. Based on the signal sent from the ECM, th ...