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:

Precaution
PRECAUTION 1. NOTICE FOR INITIALIZATION: NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following systems after the cable is reconnected. System Name See Procedure Back D ...

Electrical Key Oscillator(for Rear Side)
Components COMPONENTS ILLUSTRATION Removal REMOVAL PROCEDURE 1. REMOVE REAR BUMPER PLATE LH 2. REMOVE REAR BUMPER PLATE RH 3. REMOVE REAR BUMPER ASSEMBLY 4. REMOVE ELECTRICAL KEY ANTENNA (a) Disconnect the connector. ...

Removal
REMOVAL PROCEDURE 1. REMOVE REAR DOOR SCUFF PLATE 2. DISCONNECT REAR DOOR OPENING TRIM WEATHERSTRIP 3. REMOVE TONNEAU COVER ASSEMBLY (w/ Tonneau Cover) 4. REMOVE DECK BOARD ASSEMBLY 5. REMOVE NO. 3 DECK BOARD SUB-ASSEMBLY 6. REMOVE DECK S ...

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