Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

The ECU stores trouble codes when trouble occurs on the vehicle.

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

Use the Techstream to check and solve 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 main body ECU (driver side junction block assembly) connectors. (b) Measure the resistance and vol ...

Other materials about Toyota Venza:

TC and CG Terminal Circuit
DESCRIPTION DTC output mode is set by connecting terminals TC and CG of the DLC3. DTCs are displayed by blinking of the SRS warning light. HINT: When each warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or ...

Theft Deterrent System Communication Line High Fixation (B279A)
DESCRIPTION If the communication line (EFIO-IMI) to the transponder key ECU assembly is stuck high output (e.g. shorted to +B), the ECM stores this DTC. DTC No. DTC Detection Condition Trouble Area B279A ...

Transponder Key Ecu
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE AIR CONDITIONING UNIT ASSEMBLY HINT: Refer to the procedure up to Remove Air Conditioning Unit Assembly (See page ). 2. REMOVE TRANSPONDER KEY ECU ASSEMBLY (a) ...

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