Warning Buzzer

WARNING BUZZER

Diagnosis Procedure


1. CHECK POWER AND GROUND CIRCUITS OF ELECTRICALLY-DRIVEN INTELLIGENT BRAKE UNIT

Perform diagnosis of electrically-driven intelligent brake unit power and ground circuits. {LINK_TO:0000000007635839}, "Diagnosis
Procedure".
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace error-detected parts.

2. CHECK WARNING BUZZER CIRCUIT

1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect the electrically-driven intelligent brake unit harness connector.
5.Disconnect buzzer harness connector.
6.Check the continuity between electrically-driven intelligent brake unit and warning buzzer.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. WARNING BUZZER INSPECTION

Check the warning buzzer. Refer to "Component Inspection" .
Is the inspection result normal?
YES- Replace the electrically-driven intelligent brake unit. Refer to "Removal and installation" Removal And Installation.
NO- Replace the warning buzzer. Refer to "Removal and Installation" Service and Repair.


Component Inspection


1. WARNING BUZZER INSPECTION

1.Turn the power switch OFF.
2.Get out of the vehicle and close all doors (including back door).
3.Disconnect 12V battery cable from negative terminal. Refer to "Precaution for Removing 12V Battery" Precaution For Removing 12V Battery.
4.Disconnect buzzer harness connector.
5.Apply voltage of 12V between warning buzzer connector terminals 1 and 2.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace the warning buzzer. Refer to "Removal and Installation" Service and Repair.