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:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE NO. 2 HEADLIGHT BULB (for Halogen Headlight) (a) Turn the No. 2 headlight bulb in the direction indicated by the arrow shown in the illustration, and remove it. NOTICE: Do not touch the bulb glass. ...

Engine compartment
► 2GR-FE engine 1. Engine coolant reservoir 2. Engine oil filler cap 3. Engine oil level dipstick 4. Brake fluid reservoir 5. Battery 6. Fuse box 7. Electric cooling fans 8. Condenser 9. Radiator 10.Washer fluid tank ► 1AR-FE engine ...

Definition Of Terms
DEFINITION OF TERMS Term Definition Monitor Description Description of what the ECM monitors and how it detects malfunctions (monitoring purpose and details). Related DTCs Group ...

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