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:

Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE TAIL AND STOP LIGHT BULB (a) Turn the tail and stop light bulb and the rear combination light socket and wire in the direction indicated by the arrow shown in the illustration, and remove them as a unit. ...

Transmission Control Switch Circuit
DESCRIPTION When the shift lever is in S and it is moved toward "-" or "+", it is possible to select different shift ranges (1st through 6th ranges). Moving the shift lever toward "+" increases the shift range by one, and movi ...

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL AIR OUTLET CONTROL SERVO MOTOR SUB-ASSEMBLY (a) Check that the slots, links and gears of the air outlet control servo motor sub-assembly are positioned in the correct orientation as shown in the illustratio ...