Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. When the system seems to be malfunctioning, use the Techstream to check for malfunctions and perform repairs.

2. CHECK DLC3

(a) Check the DLC3 (See page ).


3. INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.

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 listed in order ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the D25 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according ...

Other materials about Toyota Venza:

Fog Light Assembly
Components COMPONENTS ILLUSTRATION Disassembly DISASSEMBLY PROCEDURE 1. REMOVE FOG LIGHT BULB (a) Turn the fog light bulb in the direction indicated by the arrow shown in the illustration and remove it. NOTICE: Do not touch th ...

Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS 1. CHECK FOR INTERMITTENT PROBLEMS HINT: A momentary interruption (open circuit) in the connectors and/or wire harness between the sensors and ECUs can be detected using the ECU Data List function of the Techstream. (a) ...

Bottle holders
► For front seats ► For rear seats NOTICE  - Items that should not be stowed in the bottle holders Put the cap on before stowing a bottle. Do not place open bottles in the bottle holders, or glasses and paper cups containing liquid. ...

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