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:

Skid Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Skid Control ECU Communication Stop Mode "ABS/VSC/TRAC" is not displayed on "CAN Bus Check" screen of the Techstr ...

Back Camera Disconnected (C1622)
DESCRIPTION This DTC is stored if the navigation receiver assembly*1 or radio and display receiver assembly*2 judges that the signals or signal lines between the navigation receiver assembly*1 or radio and display receiver assembly*2, and the rear televis ...

Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

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