Toyota Venza manuals

Toyota Venza: Diagnosis System

DIAGNOSIS SYSTEM

1. DESCRIPTION

(a) The certification ECU (smart key ECU assembly) and ECM control the vehicle engine immobiliser system functions. Engine immobiliser 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 engine 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.

Terminals Of Ecu
TERMINALS OF ECU 1. CHECK ENGINE SWITCH (a) Disconnect the D13 engine switch connector. (b) Measure the resistance according to the value(s) in the table below. HINT: Measure the values on the ...

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK FOR CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) DTC (a) Connect the Techstream to the DLC3. (b) Turn the engine switch on (IG). (c) Turn the Techstream on. (d) Enter the ...

Other materials about Toyota Venza:

Removal
REMOVAL PROCEDURE 1. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for 2WD) When Not Using the Engine Support Bridge: (See page ) When Using the Engine Support Bridge: (See page ) 2. REMOVE AUTOMATIC TRANSAXLE ASSEMBLY (for AWD) When Not Using the Engine Supp ...

Vehicle identification
 - Vehicle identification number The vehicle identification number (VIN) is the legal identifier for your vehicle. This is the primary identification number for your Toyota. It is used in registering the ownership of your vehicle. This number is s ...

Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART Navigation System DTC Code Detection Item See page B1532 LVDS Signal Malfunction (from Extension Module) B1551 HD Radio Tuner ...

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