Toyota Venza: Introduction

Toyota Venza Service Manual

How To Troubleshoot Ecu Controlled Systems

Other materials about Toyota Venza:

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 ...

ECU Power Source Circuit
DESCRIPTION This circuit provides power for main body ECU (driver side junction block assembly) operation. WIRING DIAGRAM PROCEDURE 1. CHECK DRIVER SIDE JUNCTION BLOCK ASSEMBLY (MAIN BODY ECU (POWER SOURCE)) ...

Precaution
PRECAUTION NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Back Door Closer System ...