Toyota Venza manuals

Toyota Venza: Entry Interior Alarm does not Sound

DESCRIPTION

The smart key system uses the combination meter buzzer to perform various vehicle interior warnings. When the conditions for each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the combination meter assembly, and the combination meter buzzer sounds.

CAUTION / NOTICE / HINT

NOTICE:

The smart key system (for entry function) uses a multiplex communication system (LIN communication system) and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting (See page ). Troubleshoot the smart key system (for entry
function) after confirming that the communication system is functioning properly.

PROCEDURE

1.

CHECK COMBINATION METER ASSEMBLY (OPERATION)

(a) When the engine switch is on (IG) and the shift lever is in R, check that the combination meter buzzer sounds.

OK:

Combination meter buzzer sounds.


OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)


NG

GO TO METER / GAUGE SYSTEM (Proceed to Problem Symptoms Table)

Room Oscillator does not Recognize Key
DESCRIPTION If the room oscillator does not recognize a key, one of the following may be the cause: 1) communication between the indoor electrical key oscillator (for front floor) and key cannot ...

Back Door Entry Unlock Function does not Operate
DESCRIPTION If the entry back door open function does not operate but the back door entry lock function operates, the communication between the vehicle and key is normal. As a faulty part, the ba ...

Other materials about Toyota Venza:

Front Occupant Classification Sensor LH Collision Detection (B1785)
DESCRIPTION DTC B1785 is output when the occupant classification ECU receives a collision detection signal sent by the front occupant classification sensor LH if an accident occurs. DTC B1785 is also output when the front seat assembly RH is subjected to ...

Noise Occurs
PROCEDURE 1. NOISE CONDITION (a) Check from which direction the noise comes (front left or right, or rear left or right). OK: The location of the noise source can be determined. NG GO TO STEP 3 ...

Data List / Active Test
DATA LIST / ACTIVE TEST 1. DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuator and other items to be read without removing any parts. This non-intrusive inspection can be very useful beca ...

© 2016-2025 Copyright www.tovenza.com

0.1248