Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The certification ECU (smart key ECU assembly) control the vehicle smart key system functions. Smart key system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). In some cases, a malfunction may be occurring in the smart key system. 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 listed in order ...

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the D25 certification ECU (smart key ECU assembly) connector. (b) Measure the voltage and resistance according ...

Other materials about Toyota Venza:

Inspection
INSPECTION PROCEDURE 1. INSPECT REAR NO. 3 SPEAKER ASSEMBLY (for 13 Speakers) (a) With the speaker installed, check that there is no looseness or other abnormalities. (b) Check that there is no foreign matter in the speaker, no tears on the speaker cone ...

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. ...

Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform "Inspection After Repair" after replacing the cylinder head sub-assembly (See page ). PROCEDURE 1. INSTALL SPARK PLUG TUBE HINT: When using a new cylinder head, the spark plug tubes must be r ...

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