Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

The ECU stores trouble codes when malfunctions occur.

The diagnostic system allows for reading of the trouble codes from the DLC3 using the Techstream.

Use the Techstream to help diagnose and repair the problem.

2. CHECK DLC3

(a) Check the DLC3 (See page ).


Problem Symptoms Table
PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are lis ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) (a) Disconnect the 2A, 2C and 2F main body ECU (driver side junction block assembly) connectors. (b) Measure the vo ...

Other materials about Toyota Venza:

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)) ...

Removal
REMOVAL CAUTION / NOTICE / HINT NOTICE: Do not remove the steering angle sensor from the spiral cable. HINT: The steering angle sensor is a component of the spiral with sensor cable sub-assembly. If the steering angle sensor malfunctions, replace the sp ...

Driver Side Door Entry Lock Function does not Operate
DESCRIPTION If the driver door entry unlock function operates normally, but its entry lock function does not, this means that the request code from the driver door is being output normally. In this case, a malfunction in the lock sensor circuit (from the ...

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