Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK FOR FOREIGN MATERIALS IN BACK DOOR LOCK ASSEMBLY
   
   

   Check for entry of foreign materials in back door lock assembly.

   Is the inspection result normal?

   YES 

   GO TO STEP 2  .

   NO 

   Remove foreign materials.

2. CHECK BACK DOOR OPEN/CLOSE OPERATION
   
   

   Manually check open and close operation of back door.

   Is the inspection result normal?

   YES 

   GO TO STEP 3  .

   NO 

   Repair or replace the malfunctioning parts.

3. CHECK MONITOR ITEM
   
   
   1. Select AUTOMATIC BACK DOOR CONTROL MODULE using CONSULT.
   2. Select HALF LATCH SW, OPEN SW and CLOSE SW in DATA MONITOR mode.
   3. Check that the function operates normally according to the following conditions.

   Monitor item	Condition		Status
   HALF LATCH SW	Back door	Fully closed/Half latch	OFF
   		Open	ON
   OPEN SW		Fully closed/Half latch	OFF
   		Open	ON
   CLOSE SW		Open/Half latch	OFF
   		Fully closed	ON

   Is the inspection result normal?

   YES 

   GO TO STEP   8  .

   NO 

   GO TO STEP 4  .

4. CHECK SWITCH INPUT SIGNAL
   
   
   1. Turn ignition switch OFF.
   2. Disconnect back door lock assembly connector.
   3. Check voltage between back door lock assembly harness connector and ground.

      (+)		(-)	Voltage (Approx.)
      Back door lock assembly
      Connector	Terminal
      D557	4	Ground	Battery voltage
      	5
      	6

   Is the inspection result normal?

   YES 

   GO TO STEP 6  .

   NO 

   GO TO STEP 5  .

5. CHECK SWITCH CIRCUIT
   
   
   1. Disconnect automatic back door control module connector.
   2. Check continuity between automatic back door control module harness connector and back door lock assembly harness connector.

      Automatic back door control module		Back door lock assembly		Continuity
      Connector	Terminal	Connector	Terminal
      B55	3	D557	6	Yes
      	5		5
      	11		4

   3. Check continuity between automatic back door control module harness connector and ground.

      Automatic back door control module		Ground	Continuity
      Connector	Terminal
      B55	3		No
      	5
      	11

   Is the inspection result normal?

   YES 

   Replace automatic back door control module. Refer to REMOVAL AND INSTALLATION .

   NO 

   Repair or replace harness.

6. CHECK SWITCH GROUND CIRCUIT
   
   

   Check continuity between back door lock assembly harness connector and ground.

   Back door lock assembly		Ground	Continuity
   Connector	Terminal
   D557	8		Yes

   Is the inspection result normal?

   YES 

   GO TO STEP 7  .

   NO 

   Repair or replace back door lock assembly ground circuit.

7. CHECK SWITCH
   
   

   Refer to COMPONENT INSPECTION .

   Is the inspection result normal?

   YES 

   GO TO STEP 8  .

   NO 

   Replace back door lock assembly. Refer to REMOVAL AND INSTALLATION .

8. CHECK INTERMITTENT INCIDENT
   
   

   Refer to INTERMITTENT INCIDENT .

   Inspection End.