Diagnosis Procedure

1. Perform initialization setting of automatic back door position information. Refer to "WORK PROCEDURE ".
2. Erase DTC, and then repeat "PERFORM DTC CONFIRMATION PROCEDURE".

   Is DTC detected? 

   YES: GO TO 2.

   NO: INSPECTION END

1. Check that back door assembly is installed normally. Refer to "BACK DOOR ASSEMBLY : ADJUSTMENT ".
2. Check back door assembly mechanism deformation, looseness, rattle, interference with other parts, and pinched foreign materials.

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: Repair or replace the malfunctioning parts.

1. Select "AUTOMATIC BACK DOOR CONTROL UNIT" using CONSULT-III.
2. Select "SPINDLE LH ENCODER A" and "SPINDLE LH ENCODER B" in "DATA MONITOR" mode.
3. Check that the function operates normally according to the following conditions.
   MONITOR ITEMS CONDITION CHART
   
   

   Monitor item	Condition		Status
   SPINDLE LH ENCODER A	Back door	Moving (auto or manual)	HI <=> LO
   		When stopped	HI or LO
   SPINDLE LH ENCODER B		Moving (auto or manual)	HI <=> LO
   		When stopped	HI or LO

   Is the inspection result normal? 

   YES: GO TO 4.

   NO: Replace automatic back door control unit. Refer to "REMOVAL AND INSTALLATION ".

1. Turn ignition switch OFF.
2. Disconnect spindle unit LH connector.
3. Check voltage between spindle unit LH harness connector and ground.
   VOLTAGE REFERENCE CHART
   
   

   (+)		(-)	Voltage (Approx.)
   Spindle unit LH
   Connector	Terminal
   B95	3	Ground	16.75 - 6 V

   Is the inspection result normal? 

   YES: GO TO  6.

   NO: GO TO 5.

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

   Automatic back door control unit		Spindle unit LH		Continuity
   Connector	Terminal	Connector	Terminal
   B207	19	B95	3	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
   B207	19		Not existed

   Is the inspection result normal? 

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

   NO: Repair or replace harness.

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

   Automatic back door control unit		Spindle unit LH		Continuity
   Connector	Terminal	Connector	Terminal
   B207	6	B95	4	Existed
   	7		5

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
   B207	6		Not existed
   	7

   Is the inspection result normal? 

   YES: GO TO 7.

   NO: Repair or replace harness.

1. Connect automatic back door control unit and spindle unit LH connector.
2. Check continuity between automatic back door control unit harness connector and ground.
   CONTINUITY REFERENCE CHART
   
   

   Automatic back door control unit		Ground	Voltage (Approx.)
   Connector	Terminal
   B207	21		0 V

   Is the inspection result normal? 

   YES: GO TO 8.

   NO: Replace automatic back door control unit. Refer to "REMOVAL AND INSTALLATION ".

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

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

NO: Repair or replace the malfunctioning parts.