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:

Installation
INSTALLATION PROCEDURE 1. INSTALL STEERING PAD (a) Check that the ignition switch is off. (b) Check that the cable is disconnected from the negative (-) battery terminal. CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative ( ...

Open or Short Circuit in ABS Motor Relay Circuit (C0273/13)
DESCRIPTION The ABS motor relay supplies power to the ABS pump motor. While the ABS is activated, the ECU turns the motor relay on and operates the ABS pump motor. If the voltage supplied to the motor relay (+BM) is below the DTCs detection threshold due ...

Heated Oxygen Sensor
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE NO. 1 ENGINE UNDER COVER 2. REMOVE NO. 2 ENGINE UNDER COVER 3. REMOVE FRONT EXHAUST PIPE ASSEMBLY 4. REMOVE HEATED OXYGEN SENSOR (a) Using SST, remove the heat ...

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