Toyota Venza: Do-it-yourself maintenance

Emission inspection and maintenance (I/M) programs

Some states have vehicle emission inspection programs which include OBD (On Board Diagnostics) checks. The OBD system monitors the operation of the emission control system.  - If the malfunc ...

Do-it-yourself service precautions

If you perform maintenance yourself, be sure to follow the correct procedure given in these sections. CAUTION The engine compartment contains many mechanisms and fluids that may move suddenly, ...

Other materials about Toyota Venza:

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful bec ...

ECU Power Source Circuit
DESCRIPTION When the ignition switch is turned to ON, voltage from the ECM's MREL terminal is applied to the EFI MAIN relay. This causes the contacts of the EFI MAIN relay to close, which supplies power to terminal +B of the TCM. WIRING DIAGRAM PR ...

Torque Sensor Zero Point Adjustment Undone (C1515,C1525)
DESCRIPTION These DTCs do not indicate a malfunction. The power steering ECU stores these DTCs when it determines that the rotation angle sensor value initialization and torque sensor zero point calibration have not been performed. DTC No. ...