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 > Automatic Transmission System: Shift Solenoid "C" Control Circuit Low (Shift Solenoid Valve S3) (P0979,P0980)
DESCRIPTION Shifting from 1st to 6th is performed in combination with ON and OFF operation of the shift solenoid valves SL1, SL2, S1, S2, S3, S4 and SR, which are controlled by the ECM. If an open or short circuit occurs in any of the shift solenoid valves, the ECM controls the remaining normal shif ...