Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The transponder key ECU assembly controls the vehicle's immobiliser system functions. Immobiliser system data and Diagnostic Trouble Code (DTC) can be read through the vehicle's Data Link Connector 3 (DLC3).

In some cases, a malfunction may be occurring in the immobiliser system even though the security indicator light is not illuminated.

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 lis ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK TRANSPONDER KEY AMPLIFIER (a) Disconnect the D21 transponder key amplifier connector. (b) Measure the resistance according to the value(s) in the table below. HINT: Me ...

Other materials about Toyota Venza:

Terminals Of Ecu
TERMINALS OF ECU NOTICE: Turn the ignition switch off before measuring the resistances between CAN bus main wires and between CAN bus branch wires. Turn the ignition switch off before inspecting CAN bus wires for a ground short. After ...

Tire Pressure Warning Ecu
Components COMPONENTS ILLUSTRATION ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT NOTICE: Before removing the tire pressure warning ECU, read the registered transmitter IDs of all wheels and write them down to use for re-registration of ...

Security Horn Assembly
Removal REMOVAL PROCEDURE 1. REMOVE SECURITY HORN ASSEMBLY (a) Remove the bolt and disconnect the security horn assembly. (b) Disconnect the connector and remove the security horn asse ...

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