Qashqai J11. Door & Lock - part 16

 

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Qashqai J11. Door & Lock - part 16

 

 

DIAGNOSIS AND REPAIR WORK FLOW

DLK-257

< BASIC INSPECTION >

[TYPE 2]

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BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work Flow

INFOID:0000000010434778

OVERALL SEQUENCE

DETAILED FLOW

JMKIA8652GB

DLK-258

< BASIC INSPECTION >

[TYPE 2]

DIAGNOSIS AND REPAIR WORK FLOW

1.

GET INFORMATION FOR SYMPTOM

1.

Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).

2.

Check operation condition of the function that is malfunctioning.

>> GO TO 2.

2.

CHECK DTC

1.

Check DTC.

2.

Perform the following procedure if DTC is detected.

-

Record DTC and freeze frame data (Print them out using CONSULT.)

-

Erase DTC.

-

Study the relationship between the cause detected by DTC and the symptom described by the customer.

3.

Check related service bulletins for information.

Are any symptoms described and any DTC detected?

Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.

3.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 5.

4.

CONFIRM THE SYMPTOM

Try to confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.

>> GO TO 6.

5.

PERFORM DTC CONFIRMATION PROCEDURE

Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check self diagnostic results in real time.
If two or more DTCs are detected, refer to 

BCS-88, "DTC Inspection Priority Chart"

 and determine trouble

diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service

Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.

Is DTC detected?

YES

>> GO TO 7.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

6.

DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS

Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.

Is the symptom described?

YES

>> GO TO 7.

NO

>> Monitor input data from related sensors or check voltage of related module terminals using CON-

SULT.

7.

DETECT MALFUNCTIONING PART BY DIAGNOSTIC PROCEDURE

DIAGNOSIS AND REPAIR WORK FLOW

DLK-259

< BASIC INSPECTION >

[TYPE 2]

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Inspect according to Diagnostic Procedure of the system.

Is malfunctioning part detected?

YES

>> GO TO 8.

NO

>> Check according to 

GI-44, "Intermittent Incident"

.

8.

REPAIR OR REPLACE THE MALFUNCTIONING PART

1.

Repair or replace the malfunctioning part.

2.

Reconnect parts or connectors disconnected during Diagnostic Procedure again after repair and replace-
ment.

3.

Check DTC. If DTC is detected, erase it.

>> GO TO 9.

9.

FINAL CHECK

When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE again, and then check that the
malfunction is repaired securely.
When symptom is described by the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.

Is DTC detected and does symptom remain?

YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO

>> Before returning the vehicle to the customer, always erase DTC.

DLK-260

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2621 INSIDE ANTENNA

DTC/CIRCUIT DIAGNOSIS

B2621 INSIDE ANTENNA

DTC Logic

INFOID:0000000010487278

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2.

Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.

3.

Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT
KEY”.

4.

Check BCM for DTC.

Is inside key antenna DTC detected?

YES

>> Refer to 

DLK-260, "Diagnosis Procedure"

.

NO

>> Inside key antenna (console) is OK.

Diagnosis Procedure

INFOID:0000000010487279

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch ON.

2.

Check signal between BCM harness connector and ground using oscilloscope.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2621–00

INSIDE ANTENNA

An excessive high or low voltage from inside anten-
na (console) is sent to BCM

• Inside key antenna (console)
• Harness or connector

[Inside key antenna (console) cir-
cuit is open or shorted]

B2621 INSIDE ANTENNA

DLK-261

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and inside key antenna (console) connector.

3.

Check continuity between BCM harness connector and inside key antenna (console) harness connector.

4.

Check continuity between BCM harness connector and ground.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M69

116

Ground

When Intelligent Key is not in 
the antenna detection area

When Intelligent Key is in the 
antenna detection area

117

When Intelligent Key is not in 
the antenna detection area

When Intelligent Key is in the 
antenna detection area

JMMIA1652GB

JMMIA1653GB

JSMIA1348GB

JSMIA1406GB

BCM

Inside key antenna (console)

Continuity 

Connector

Terminal

Connector

Terminal

M69

116

M73

2

Existed

117

1

BCM

Ground

Continuity 

Connector

Terminal

M69

116

Not existed

117

DLK-262

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2621 INSIDE ANTENNA

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

1.

Replace inside key antenna (console). (New antenna or other antenna)

2.

Connect BCM connector and inside key antenna (console) connector.

3.

Turn ignition switch ON.

4.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (console).

NO

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

M69

116

Ground

When Intelligent Key is not in 
the antenna detection area

When Intelligent Key is in the 
antenna detection area

117

When Intelligent Key is not in 
the antenna detection area

When Intelligent Key is in the 
antenna detection area

JMMIA1652GB

JMMIA1653GB

JSMIA1348GB

JSMIA1406GB

B2622 INSIDE ANTENNA

DLK-263

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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B2622 INSIDE ANTENNA

DTC Logic

INFOID:0000000010487280

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2.

Select “INSIDE ANT DIAGNOSIS” in “WORK SUPPORT” mode.

3.

Perform inside key antenna (“INSIDE ANT DIAGNOSIS”) on “WORK SUPPORT” of “INTELLIGENT
KEY”.

4.

Check BCM for DTC.

Is inside key antenna DTC detected?

YES

>> Refer to 

DLK-263, "Diagnosis Procedure"

.

NO

>> Inside key antenna (luggage room) is OK.

Diagnosis Procedure

INFOID:0000000010487281

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch ON.

2.

Check signal between BCM harness connector and ground using oscilloscope.

DTC

CONSULT display 

description

DTC detecting condition

Possible cause

B2622

INSIDE ANTENNA

An excessive high or low voltage from inside anten-
na (luggage room) is sent to BCM

• Inside key antenna (luggage room)
• Harness or connector

[Inside key antenna (luggage 
room) circuit is open or shorted]

DLK-264

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

B2622 INSIDE ANTENNA

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector and inside key antenna (luggage room) connector.

3.

Check continuity between BCM harness connector and inside key antenna (luggage room) harness con-
nector.

4.

Check continuity between BCM harness connector and ground.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

B4

22

Ground

When Intelligent Key is not in the 
antenna detection area

When Intelligent Key is in the an-
tenna detection area

23

Ground

When Intelligent Key is not in the 
antenna detection area

When Intelligent Key is in the an-
tenna detection area

JMMIA1652GB

JMMIA1653GB

JSMIA1507GB

JSMIA1506GB

BCM

Inside key antenna (luggage room)

Continuity 

Connector

Terminal

Connector

Terminal

B4

22

B53

2

Existed

23

1

BCM

Ground

Continuity 

Connector

Terminal

B4

22

Not existed

23

B2622 INSIDE ANTENNA

DLK-265

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness.

3.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

1.

Replace inside key antenna (luggage room). (New antenna or other antenna)

2.

Connect BCM connector and inside key antenna (luggage room) connector.

3.

Turn ignition switch ON.

4.

Check signal between BCM harness connector and ground using oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna (luggage room).

NO

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

(+)

(–)

Condition

Signal

(Reference value)

BCM

Connector

Terminal

B4

22

Ground

When Intelligent Key is not in the 
antenna detection area

When Intelligent Key is in the an-
tenna detection area

23

Ground

When Intelligent Key is not in the 
antenna detection area

When Intelligent Key is in the an-
tenna detection area

JMMIA1652GB

JMMIA1653GB

JSMIA1507GB

JSMIA1506GB

DLK-266

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

BACK DOOR OPENER ACTUATOR

BACK DOOR OPENER ACTUATOR

Component Function Check

INFOID:0000000010487282

1.

CHECK FUNCTION

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2.

Select “TRUNK/BACK DOOR” in “ACTIVE TEST” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Back door opener actuator is OK.

NO

>> Refer to 

DLK-266, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010487283

1.

CHECK BACK DOOR OPENER ACTUATOR 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.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR OPENER ACTUATOR CIRCUIT

1.

Disconnect BCM connector.

2.

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

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR OPENER ACTUATOR GROUND CIRCUIT

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

Monitor item

Status

TRUNK/BACK DOOR

OPEN

Back door

OPEN

(+)

(–)

Condition

Voltage

Back door lock assembly

Connector

Terminal

B2

1

Ground

Back door 
opener switch

ON

9 - 16 V

BCM

Back door lock assembly

Continuity 

Connector

Terminal

Connector

Terminal

B3

121

B2

1

Existed

BCM

Ground

Continuity 

Connector

Terminal

B3

121

Not existed

BACK DOOR OPENER ACTUATOR

DLK-267

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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Is the inspection normal?

YES

>> Replace back door lock assembly.

NO

>> Repair or replace harness.

Back door lock assembly

Ground

Continuity

Connector

Terminal

B2

2

Existed

DLK-268

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

BACK DOOR OPENER SWITCH

BACK DOOR OPENER SWITCH

Component Function Check

INFOID:0000000010487284

1.

CHECK FUNCTION

1.

Select “TRUNK” of “BCM” using CONSULT.

2.

Select “BACK DOOR OPENER SW” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Back door opener switch is OK.

NO

>> Refer to 

DLK-268, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010487285

1.

CHECK BACK DOOR OPENER SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check signal between back door opener switch assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR OPENER SWITCH CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> Repair or replace harness.

3.

CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

Check continuity between back door opener switch assembly harness connector and ground.

Monitor item

Condition

Status

BACK DOOR OPENER SW

Back door opener switch

Pressed

ON

Released

OFF

(+)

(–)

Voltage

Back door opener switch assembly

Connector

Terminal 

D94

1

Ground

9 - 16 V

BCM

Back door opener switch assembly

Continuity 

Connector

Terminal

Connector

Terminal

B4

16

D94

1

Existed

BCM

Ground

Continuity 

Connector

Terminal

B4

16

Not existed

BACK DOOR OPENER SWITCH

DLK-269

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR OPENER SWITCH

Refer to 

DLK-269, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door opener switch assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010487286

1.

CHECK BACK DOOR OPENER SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check continuity between back door opener switch assembly terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace back door opener switch assembly.

Back door opener switch assembly

Ground

Continuity 

Connector

Terminal

D94

4

Existed

Back door opener switch assembly

Condition

Continuity 

Terminal 

1

4

Back door opener 
switch

Pressed

Existed

Released

Not existed

DLK-270

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

BACK DOOR REQUEST SWITCH

BACK DOOR REQUEST SWITCH

Component Function Check

INFOID:0000000010487287

1.

CHECK FUNCTION

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2.

Select “REQ SW-BD/TR” in “DATA MONITOR” mode.

3.

Check that the function operates normally according to the following conditions.

Is the inspection result normal?

YES

>> Back door request switch is OK.

NO

>> Refer to 

DLK-270, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010487288

1.

CHECK BACK DOOR REQUEST SWITCH INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check voltage between back door opener switch assembly harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK BACK DOOR REQUEST SWITCH CIRCUIT

1.

Disconnect BCM connector.

2.

Check continuity between BCM harness connector and back door opener switch assembly harness con-
nector.

3.

Check continuity between BCM harness connector and ground.

Is the inspection result normal?

YES

>> Replace BCM. Refer to 

BCS-135, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK BACK DOOR REQUEST SWITCH GROUND CIRCUIT

Check continuity between back door opener switch assembly harness connector and ground.

Monitor item

Condition

Status

REQ SW-BD/TR

Back door request switch

Pressed

On

Released

Off

(+)

(–)

Voltage

Back door opener switch assembly

Connector

Terminal 

D94

2

Ground

9 - 16 V

BCM

Back door opener switch assembly

Continuity 

Connector

Terminal

Connector

Terminal

B4

6

D94

2

Existed

BCM

Ground

Continuity 

Connector

Terminal

B4

6

Not existed

BACK DOOR REQUEST SWITCH

DLK-271

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

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Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

4.

CHECK BACK DOOR REQUEST SWITCH

Refer to 

DLK-271, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace back door opener switch assembly.

5.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Component Inspection

INFOID:0000000010487289

1.

CHECK BACK DOOR REQUEST SWITCH

1.

Turn ignition switch OFF.

2.

Disconnect back door opener switch assembly connector.

3.

Check continuity between back door opener switch assembly terminals.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace back door opener switch assembly.

Back door opener switch assembly

Ground

Continuity 

Connector

Terminal

D94

3

Existed

 Back door opener switch assembly

Condition

Continuity 

Terminal

2

3

Back door request switch

Pressed

Existed

Released

Not existed

DLK-272

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 2]

COMBINATION METER BUZZER

COMBINATION METER BUZZER

Component Function Check

INFOID:0000000010487290

1.

CHECK FUNCTION

1.

Select “INTELLIGENT KEY” of “BCM” using CONSULT.

2.

Select “INSIDE BUZZER” in “ACTIVE TEST” mode.

3.

Touch “Buzzer 1”, “Buzzer 2” or “Buzzer 3” to check that it works normally.

Is the inspection result normal?

Yes

>> Buzzer (combination meter) is OK.

No

>> Refer to 

DLK-272, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010487291

1.

CHECK METER BUZZER CIRCUIT

Refer to 

WCS-44, "Component Function Check"

.

Is the inspection result normal?

Yes

>> GO TO 2.

No

>> Repair or replace the malfunctioning parts.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

 

 

 

 

 

 

 

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