Toyota Venza: Entry Interior Alarm does not Sound

Toyota Venza Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Entry Function) / 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.

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

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:

Lost Communication with A/C ECU (U0164)
DESCRIPTION DTC No. DTC Detection Condition Trouble Area U0164 No communication from the air conditioning amplifier continues. Air conditioning amplifier branch wire or connect ...

Unlock Warning Switch Circuit
DESCRIPTION The key unlock warning switch assembly turns on when the ignition key is inserted into the ignition key cylinder and turns off when the ignition key is removed. The main body ECU (driver side junction block assembly) operates the key confinemen ...

Lost Communication with Automatic High Beam Sensor (B2432)
DESCRIPTION The DTC is stored when the AFS ECU (headlight swivel ECU assembly) detects malfunctions in the LIN communication system. DTC No. DTC Detection Condition Trouble Area B2432 Malfunction ...