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:

Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: After replacing the stereo component tuner assembly of vehicles subscribed to pay-type satellite radio broadcasts, XM radio ID registration is necessary (w/ SDARS System). HINT: Use the table below to help determi ...

Installation
INSTALLATION PROCEDURE 1. INSTALL FRONT SUSPENSION MEMBER BODY MOUNTING REAR CUSHION LH (a) Temporarily install a new front suspension member body mounting rear cushion LH while confirming the installation direction. NOTICE: Position th ...

Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION If the driver door entry lock function operates normally, but its entry unlock function does not, this means that the request code from the driver door is being output normally. In this case, a malfunction in the touch sensor circuit (from the ...

© 2016-2026 Copyright www.tovenza.com

0.1757