Toyota CH-R Service Manual: Entry Interior Alarm does not Sound

Toyota CH-R Service Manual / Theft Deterrent / Keyless Entry / Smart Key System(for Entry Function) / 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:

The smart key system (for Entry Function) uses the LIN communication system and 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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When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
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After repair, confirm that no DTCs are output.

PROCEDURE

1.	CHECK ENTRY LOCK OPERATION

(a) Check that the function operates normally.

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Result	Proceed to
Entry function operates normally	A
Entry function does not operate normally	B

GO TO METER / GAUGE SYSTEM

GO TO OTHER PROBLEM

Front Passenger Side Door Entry Lock Function does not Operate

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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 ...

Other materials:

Toyota CH-R Owners Manual > Driving procedures: Continuously variable transmission
Shifting the shift lever Vehicles without a smart key system: While the engine switch is in the "ON" position and the brake pedal depressed*, shift the shift lever while pushing the shift release button on the shift knob. Vehicles with a smart key system: While the engine swi ...

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DESCRIPTION This DTC is output if the vehicle variation information is not written to the headlight ECU sub-assembly LH. The headlight ECU sub-assembly LH outputs DTC B2451. DTC No. Detection Item DTC Detection Condition Trouble Area Note ...