Diagnosis Procedure

1. Turn ignition switch OFF.
2. Disconnect automatic back door warning buzzer connector.
3. Check voltage between automatic back door warning buzzer harness connector and ground.
   VOLTAGE REFERENCE CHART
   
   

   (+)		(-)	Voltage (Approx.)
   Automatic back door warning buzzer
   Connector	Terminal
   B86	1	Ground	16 - 7.5 V

   Is the inspection result normal? 

   YES: GO TO  3.

   NO: GO TO 2.

1. Disconnect automatic back door control unit connector.
2. Check continuity between automatic back door control unit harness connector and automatic back door warning buzzer harness connector.
   CONTINUITY REFERENCE CHART
   
   

   Automatic back door control unit		Automatic back door warning buzzer		Continuity
   Connector	Terminal	Connector	Terminal
   B208	37	B86	1	Existed

3. Check continuity between automatic back door control unit harness connector and ground.
   CONTINUITY REFERENCE CHART
   
   

   Automatic back door control unit		Ground	Continuity
   Connector	Terminal
   B208	37		Not existed

   Is the inspection result normal? 

   YES: Replace automatic back door control unit. Refer to "REMOVAL AND INSTALLATION ".

   NO: Repair or replace harness.

Check continuity between automatic back door warning buzzer harness connector and ground.

Is the inspection result normal? 

YES: GO TO 4.

NO: Repair or replace harness.

Refer to "COMPONENT INSPECTION ".

Is the inspection result normal? 

YES: GO TO 5.

NO: Replace automatic back door warning buzzer.

Refer to "INTERMITTENT INCIDENT ".

INSPECTION END