OPERATION CHECK CHECK TIRE PRESSURE WARNING SYSTEM FUNCTION (a) Using the Data List, check that the current tire pressure is normal. Click here (1) Slowly reduce the tire pressure of the front or rear tires and check that the tire pressure on the Data List changes. HINT: For this vehicle, data reception from the tire pressure warning valve and transmitter may worsen while displaying the Data List and it may takes longer than usual to receive data. If data reception worsens while displaying the Data List, rapidly decrease the tire pressure by 20 to 30 kPa (this increases the valve transmission frequency). (2) Further reduce the tire pressure and check that the warning light illuminates. (b) After reducing the tire pressure, set the tire pressure to the specified value. Click here |
Toyota Tundra Service Manual > Sfi System: Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS HINT: Inspect the vehicle's ECM using check mode. Intermittent problems are easier to detect with the Techstream when the ECM is in check mode. In check mode, the ECM uses 1 trip detection logic, which is more sensitive to malfunctions than normal mode (default), whic ...
