ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Check the idle speed. (1) Start the engine and check that the MIL is not illuminated. After the engine is warmed up, check that the idle speed is within the specified range with the A/C switch off. Standard Idle Speed: 600 to 700 rpm NOTICE:
(2) Perform a road test and confirm that there are no abnormalities. (b) Inspect the throttle position sensor. (1) Connect the Techstream to the DLC3. (2) Start the engine. (3) Turn the Techstream on. (4) Enter the following menus: Powertrain / Engine / Data List / Throttle Position Sensor No.1 Voltage %. Powertrain > Engine > Data List
(5) Fully depress the accelerator pedal and check that the value is 60% or higher. If the percentage is less than 60%, check the throttle body with motor assembly, wire harness and ECM. |
Toyota Avalon Service & Repair Manual > Smart Key System(for Start Function, Gasoline Model): Lost Communication with ECM / PCM (U0100,U0140,U0142,U0155)
DESCRIPTION These DTCs are stored when there is a CAN communication malfunction between the certification ECU (smart key ECU assembly), ECM, main body ECU (multiplex network body ECU) or combination meter assembly, and data from the option connector (bus buffer ECU) cannot be received. DTC No. Detec ...