Smart Key System (For Entry Function) Entry Interior Alarm Does Not Sound

Vehicle Interior. Corolla. Zre142 Aze141
Theft Deterrent Keyless Entry. Corolla. Zre142 Aze141

DESCRIPTION

INSPECTION PROCEDURE

CHECK COMBINATION METER ASSEMBLY (OPERATION)

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 each warning's conditions are met, the certification ECU (smart key ECU assembly) sends a buzzer signal to the meter ECU, and the combination meter buzzer sounds.

INSPECTION PROCEDURE

1.CHECK COMBINATION METER ASSEMBLY (OPERATION)
  1. Turn the engine switch on (IG). Place luggage on the front passenger seat to cause the front passenger seat belt warning light to blink.

  1. When driving the vehicle at 15 km/h (9 mph) or higher, check that the seat belt warning buzzer sounds to inform that the passenger seat belt is not fastened.

    HINT:
    The smart key system sounds the buzzer built into the combination meter for indoor warnings. This buzzer is also used for the seat belt warning system. Therefore, check the operation of the combination meter buzzer by checking if the buzzer sounds to inform that the seat belt is not fastened.
    OK:
    Combination meter buzzer sounds.


NG
GO TO METER / GAUGE SYSTEM (COROLLA_ZRE142 RM0000012G10BVX.html)
OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (COROLLA_ZRE142 RM000003G0O004X.html)