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, Gasoline 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.
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- 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 U0155 is not output |
A |
| DTC U0155 is output |
B |
| A |
.gif) | GO TO METER / GAUGE SYSTEM |
| B |
| GO TO CAN COMMUNICATION SYSTEM |
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SEE MORE:
The keys
The following keys are provided
with the vehicle.
Vehicles without a smart key
system
Keys
Operating the wireless remote control
function
Key number plate
Vehicles with a smart key system
Electronic keys
Operating the smart key system
Operating the wireless remote
control function
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE AIR CONDITIONING SYSTEM
(a) Customizing with the GTS.
NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Be sure to make a note of the current settings before customizing.
When troubleshootin
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