Intelligent Key Warning Buzzer

INTELLIGENT KEY WARNING BUZZER





Description
Answers back and warns for an inappropriate operation.




Component Function Check
1.CHECK FUNCTION
With CONSULT-III
Check Intelligent Key warning buzzer OUTSIDE BUZZER in Active Test mode.
Is the inspection result normal?
YES - Intelligent Key warning buzzer (engine room) is OK.
NO - SEE Diagnosis Procedure.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK INTELLIGENT KEY WARNING BUZZER





Check voltage between BCM connector and ground.





Is the inspection result normal?
YES - GO TO 5
NO - GO TO 2
2.CHECK INTELLIGENT KEY WARNING BUZZER POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key warning buzzer connector.





3. Check voltage between Intelligent Key warning buzzer connector and ground.





Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace Intelligent Key warning buzzer power supply circuit.
3.CHECK INTELLIGENT KEY WARNING BUZZER CIRCUIT
1. Disconnect BCM connector.





2. Check continuity between BCM connector M21 (A) terminal 144
3. and Intelligent Key warning buzzer connector E73 (B) terminal





3. Check continuity between BCM connector M21 (A) terminal 144 and ground.





Is the inspection result normal?
OK - GO TO 4
NG - Repair or replace harness between BCM and Intelligent Key warning buzzer.
4.CHECK INTELLIGENT KEY WARNING BUZZER
Check SEE Component Inspection.
Is the inspection result normal?
YES - GO TO 5
NO - Replace Intelligent Key warning buzzer.
5.CHECK INTERMITTENT INCIDENT
Check Intermittent Incident.
- Inspection End.




Component Inspection
1.CHECK INTELLIGENT KEY WARNING BUZZER





Connect battery power supply to Intelligent Key warning buzzer terminals 1 and 3, and check the operation.





Is the inspection result normal?
OK - Inspection End.
NG - Replace Intelligent Key warning buzzer.