Nissan Qashqai (2007-2010). Manual — part 998

POWER SUPPLY AND GROUND CIRCUIT

DLK-71

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

POWER SUPPLY AND GROUND CIRCUIT

INTELLIGENT KEY UNIT

INTELLIGENT KEY UNIT : Diagnosis Procedure

INFOID:0000000000939085

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse is not blown.

Is the fuse blown?

YES

>> Replace the blown fuse after repairing the affected circuit if a fuse is blown.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Disconnect Intelligent Key unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between Intelligent Key unit harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between Intelligent Key unit harness connector and ground.

Does continuity exist?

YES

>> Intelligent Key unit power supply and ground circuit are OK.

NO

>> Repair harness or connector.

BCM

BCM : Diagnosis Procedure

INFOID:0000000001034129

1.

CHECK FUSE AND FUSIBLE LINK

Check that the following fuse and fusible link are not blown.

Is the fuse fusing?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is

blown.

Terminal No.

Signal name

Fuse No.

11

Battery power supply

9 (10A)

6

Ignition power supply

4 (10A)

Terminal

Voltage (V)

(Approx.)

(+)

(

−

)

Intelligent Key unit

Ground

Connector

Terminal

M40

11

Battery voltage

6

Intelligent Key unit

Ground

Continuity

Connector

Terminal

M40

12

Exists

Terminal No.

Signal name

Fuse and fusible link No.

41

Battery power supply

9 (10A)

57

J (40A)

DLK-72

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

POWER SUPPLY AND GROUND CIRCUIT

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connectors.

3.

Check voltage between BCM harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

Check continuity between BCM harness connector and ground.

Does continuity exist?

YES

>> BCM power supply and ground circuit are OK.

NO

>> Repair harness or connector.

Terminals

Voltage

(Approx.)

(+)

(

−

)

BCM

Ground

Connector

Terminal

M66

41

Battery voltage

M67

57

BCM

Ground

Continuity

Connector

Terminal

M67

55

Existed

DOOR LOCK AND UNLOCK SWITCH

DLK-73

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

DOOR LOCK AND UNLOCK SWITCH

Description

INFOID:0000000000939090

Transmits door lock/unlock operation to BCM.

Component Function Check

INFOID:0000000000939091

1.

CHECK FUNCTION

With CONSULT-III

Check “CDL LOCK SW ”and “CDL UNLOCK SW” in Data monitor mode with CONSULT-III.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Refer to

DLK-73, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000939092

1.

CHECK DOOR LOCK AND UNLOCK INPUT SIGNAL

1.

Turn ignition switch OFF.

2.

Disconnect door lock and unlock switch connector.

3.

Check voltage between door lock and unlock switch and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK DOOR LOCK AND UNLOCK SWITCH CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BCM connector.

3.

Check continuity between BCM connector and door lock and unlock switch connector.

4.

Check continuity between BCM connector and ground.

Monitor item

Condition

CDL LOCK SW

LOCK

: ON

UNLOCK

: OFF

CDL UNLOCK SW

LOCK

: OFF

UNLOCK

: ON

Terminal

Signal

(Reference value)

(+)

(–)

Door lock and unlock switch

connector

Terminal

M89

1

Ground

6

JPMIA0154GB

BCM connector

Terminal

Door lock and unlock

switch connector

Terminal

Continuity

M65

7

M89

6

Exists

9

1

DLK-74

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

DOOR LOCK AND UNLOCK SWITCH

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness.

3.

CHECK DOOR LOCK AND UNLOCK SWITCH GROUND

Check continuity between door lock and unlock switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness.

4.

CHECK BCM OUTPUT SIGNAL

1.

Connect BCM connector.

2.

Check voltage between BCM connector and ground.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-39, "Intermittent Incident"

.

NO

>> Replace BCM. Refer to

BCS-64, "Exploded View"

.

5.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check door lock and unlock switch
Refer to

DLK-74, "Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to

GI-39, "Intermittent Incident"

.

NO

>> Replace door lock and unlock switch. Refer to

DLK-280, "Exploded View"

.

Component Inspection

INFOID:0000000001098047

1.

CHECK DOOR LOCK AND UNLOCK SWITCH

Check door lock and unlock switch.

Is the inspection result normal?

YES

>> Door lock and unlock switch is OK.

NO

>> Replace door lock and unlock switch. Refer to

DLK-280, "Exploded View"

.

BCM connector

Terminal

Ground

Continuity

M65

7

Does not exist

9

Door lock and unlock switch connector

Terminal

Ground

Continuity

M89

5

Exists

Terminal

Signal

(Reference value)

(+)

(–)

BCM connector

Terminal

M65

7

Ground

9

JPMIA0154GB

Door lock and unlock switch

Terminal

Condition

Continuity

M89

6

5

LOCK

Exists

1

UNLOCK