Toyota Venza: How To Troubleshoot Ecu Controlled Systems

Introduction

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General Information

GENERAL INFORMATION A large number of ECU controlled systems are used in this vehicle. In general, ECU controlled systems are considered to be very intricate, requiring a high level of ...

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Door Courtesy Switch Circuit
DESCRIPTION The main body ECU (driver side junction block assembly) detects the condition of the door courtesy light switch. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Connect the Techstream to the DLC3 ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR DOOR SCUFF PLATE 2. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP (a) Remove the rear part of the rear door opening trim weatherstrip to the extent that allows removal of the deck trim side panel assembly ...

Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION The power steering ECU receives signals from the ECM and the brake actuator assembly (skid control ECU) via the CAN communication system. DTC No. DTC Detection Condition Trouble Area U0100 ...