Toyota Venza: Diagnosis System

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Entry Function) / 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:

Side doors
The vehicle can be locked and unlocked using the entry function, wireless remote control, key or door lock switch. - Entry function (vehicles with smart key system) - Wireless remote control - Key ► Vehicles with smart key system ...

Towing with a wheel lift-type truck
►From the front (2WD models) Release the parking brake. ►From the front (AWD models) Use a towing dolly under the rear wheels. ► From the rear Use a towing dolly under the front wheels. ...

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE BRAKE PEDAL RETURN SPRING (a) Remove the brake pedal return spring from the brake pedal support assembly. 2. REMOVE BRAKE PEDAL PAD (a) Remove the brake pedal pa ...