Components COMPONENTS ILLUSTRATION
Installation INSTALLATION PROCEDURE 1. INSTALL PRESSURE SWITCH
(b) Using a 27 mm deep socket wrench, install the pressure switch. Torque: 10.8 N·m {110 kgf·cm, 8 ft·lbf} (c) Connect the connector. 2. CHARGE REFRIGERANT (for HFC-134a(R134a)) Click here 3. CHARGE AIR CONDITIONING SYSTEM WITH REFRIGERANT (for HFO-1234yf(R1234yf)) Click here 4. WARM UP ENGINE (a) for HFC-134a(R134a): Click here (b) for HFO-1234yf(R1234yf): Click here 5. CHECK FOR REFRIGERANT GAS LEAK (for HFC-134a(R134a)) Click here 6. INSPECT FOR REFRIGERANT LEAK (for HFO-1234yf(R1234yf)) Click here 7. INSTALL RADIATOR GRILLE SUB-ASSEMBLY Click here Removal REMOVAL PROCEDURE 1. REMOVE RADIATOR GRILLE SUB-ASSEMBLY Click here 2. RECOVER REFRIGERANT FROM REFRIGERATION SYSTEM (a) for HFC-134a(R134a): Click here (b) for HFO-1234yf(R1234yf): Click here 3. REMOVE PRESSURE SWITCH
(b) Using a 27 mm deep socket wrench, remove the pressure switch. NOTICE: Seal the openings of the disconnected parts using vinyl tape to prevent moisture and foreign matter from entering them. |
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 ...