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:

Rear Wheel Alignment
Adjustment ADJUSTMENT PROCEDURE 1. INSPECT TIRES (a) Inspect the tires (See page ). 2. MEASURE VEHICLE HEIGHT 3. INSPECT CAMBER Camber (Unloaded Vehicle): Model Engine Camber Inclination Right-left Dif ...

If the battery is discharged
The following procedures may be used to start the engine if the battery is discharged. You can call your Toyota dealer or qualified repair shop. If you have a set of jumper (or booster) cables and a second vehicle with a 12 volt battery, you can jump sta ...

Front Power Seat does not Operate with Front Power Seat Switch
DESCRIPTION Signals are input into the position control ECU and switch assembly. The built-in ECU manages the signals received from the position control ECU and switch assembly, and operates each motor. If the position control ECU and switch assembly rece ...

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