Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Entry Interior Alarm does not Sound

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function, Hev Model) / Entry Interior Alarm does not Sound

DESCRIPTION

The smart key system (for Entry Function) uses the buzzer in the combination meter assembly (meter ECU) to perform various vehicle interior warnings. When the conditions of each warning are met, the certification ECU (smart key ECU assembly) sends a buzzer activation request signal to the combination meter assembly via CAN communication and the buzzer sounds.

CAUTION / NOTICE / HINT

NOTICE:

  • When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
  • The smart key system (for Entry Function) uses the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Entry Function) after confirming that the communication systems are functioning properly.

    Click here

  • After repair, confirm that no DTCs are output.

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Smart Key > Trouble Codes

Result

Proceed to

DTC U015587 is not output

A

DTC U015587 is output

B
A

GO TO METER / GAUGE SYSTEM

B

GO TO CAN COMMUNICATION SYSTEM

    READ NEXT:

     Back Door Entry Unlock Function does not Operate

    DESCRIPTION If the entry unlock function does not operate for the back door only, but the entry lock function operates, the request code is being transmitted properly from the back door. In this case,

     Back Door Entry Lock and Unlock Functions do not Operate

    DESCRIPTION If the entry lock and unlock functions do not operate for the back door only, the request code may not be being transmitted from the back door. If the entry functions for other doors opera

     Back Door Entry Lock Function does not Operate

    DESCRIPTION If the entry lock function does not operate for the back door only, but the entry unlock function operates, the request code is being transmitted properly from the back door. In this case,

    SEE MORE:

     Disassembly

    DISASSEMBLY CAUTION / NOTICE / HINT COMPONENTS (DISASSEMBLY) Procedure Part Name Code 1 NO. 4 FRONT WHEEL OPENING EXTENSION PAD 53854 - - - 2 NO. 3 FRONT WHEEL OPENING EXTENSION PAD 53853 - - - 3 NO. 5 FRONT WHEEL OPENING

     Problem Symptoms Table

    PROBLEM SYMPTOMS TABLE NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored. HINT

    © 2020-2024 Copyright www.tcorollacross.com