DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the Techstream to the vehicle and reading various data output from the clearance warning ECU assembly. The clearance warning ECU assembly stores DTCs when the ECU detects a malfunction in the ECU itself or in its circuits. To check the DTCs, connect the Techstream to the DLC3 on the vehicle. The Techstream makes it possible to clear the DTCs, activate the various actuators, and check the freeze frame data and Data List. CHECK DLC3 (a) Check the DLC3. Click here |
Toyota Avalon Service & Repair Manual > Sfi System: High Pressure Fuel Pump Circuit Open (P123513)
DESCRIPTION The high-pressure direct injection fuel system consists of a spill control valve, check valve, fuel relief valve, fuel pressure sensor, fuel pump assembly (for high pressure side) and fuel injector assemblies (for direct injection). The spill control valve adjusts the return volume of th ...
