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 ...

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Components
COMPONENTS ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ILLUSTRATION ...

Removal
REMOVAL PROCEDURE 1. REMOVE FRONT WHEEL LH 2. REMOVE FRONT FENDER OUTSIDE MOULDING LH 3. REMOVE FRONT FENDER LINER LH (a) Using a screwdriver, turn the pin 90 degrees and remove the 2 pin hold clips. Text in Illustration ...

Alarm
The system sounds the alarm and flashes lights when forcible entry is detected.  - Triggering of the alarm The alarm is triggered in the following situations when the alarm is set. • A locked door is unlocked or opened in any way other than by using ...

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