Nissan Qashqai (2007-2010). Manual - part 1011

INSIDE KEY ANTENNA

DLK-123

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Is the inspection result normal? 

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> GO TO 2.

2.

CHECK INSIDE KEY ANTENNA CIRCUIT

1.

Disconnect Intelligent Key unit connector and inside key antenna connector.

2.

Check continuity between Intelligent Key unit connector and inside key antenna connector.

3.

Check continuity between Intelligent Key unit connector and ground.

Terminal

Condition

Signal

(Reference value)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M40

Rear seat

(+)

13

Ground

• All doors are 

closed

• Ignition knob 

switch is pressed

When Intelligent Key 
is in the antenna de-
tection area.

When Intelligent Key 
is not in the antenna 
detection area.

Rear seat

(-)

14

When Intelligent Key 
is in the antenna de-
tection area.

When Intelligent Key 
is not in the antenna 
detection area.

JMKIA0393ZZ

JMKIA0391ZZ

JMKIA0392ZZ

JMKIA0390ZZ

Intelligent Key unit 

connector

Terminal

 Inside key antenna 

connector

Terminal

Continuity 

M40

13

B45 (rear seat)

1

Exists

14

2

DLK-124

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

INSIDE KEY ANTENNA

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness between Intelligent Key unit and inside key antenna.

3.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 2

1.

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

2.

Connect Intelligent Key unit connector and inside key antenna connector.

3.

Check signal between Intelligent Key connector and ground with oscilloscope.

Is the inspection result normal?

YES

>> Replace inside key antenna. Refer to 

DLK-274, "REAR : Exploded View"

 (rear seat).

NO

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

Intelligent Key unit 

connector

Terminal

Ground

Continuity 

M40

13

Does not exist

14

Terminal

Condition

Signal

(Reference value)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M40

Rear seat

(+)

13

Ground

• All doors are 

closed

• Ignition knob 

switch is pressed

When Intelligent Key is 
in the antenna detec-
tion area.

When Intelligent Key is 
not in the antenna de-
tection area.

Rear seat

(-)

14

When Intelligent Key is 
in the antenna detec-
tion area.

When Intelligent Key is 
not in the antenna de-
tection area.

JMKIA0393ZZ

JMKIA0391ZZ

JMKIA0392ZZ

JMKIA0390ZZ

ANTI-HIJACK RELAY

DLK-125

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

ANTI-HIJACK RELAY

PASSENGER SIDE

PASSENGER SIDE : Description

INFOID:0000000001034191

Receives anti-hijack signal from Intelligent Key unit.

PASSENGER SIDE : Component Function Check

INFOID:0000000001034192

1.

CHECK FUNCTION

1.

All doors are locked using Intelligent Key or door request switch. (Super lock system condition: Set)

2.

Press door request switch (passenger side), only passenger side door is UNLOCK.

Is the inspection result normal?

YES

>> Anti-hijack relay is OK.

NO

>> Refer to 

DLK-125, "PASSENGER SIDE : Diagnosis Procedure"

.

PASSENGER SIDE : Diagnosis Procedure

INFOID:0000000001034193

1.

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL 1

1.

Check voltage between Intelligent Key unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check condition of harness and connector. If OK, repair or replace harness.

2.

CHECK INTELLIGENT KEY UNIT INPUT SIGNAL 2

1.

Check voltage between Intelligent Key unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 4.

3.

CHECK INTELLIGENT KEY UNIT GROUND CIRCUIT

Check continuity between Intelligent Key unit connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair harness or connector.

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit 

connector

Terminal 

M40

11

Ground

Ignition switch OFF

Battery voltage

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

Intelligent Key unit

connector

Terminal 

M40

40

Ground

Press front door 
request switch 
(passenger side)

Anti-hijack operation

Battery voltage 

→

 0 

→

 Battery 

voltage

Other than above

Battery voltage

Intelligent Key unit 

connector

Terminal

Ground

Continuity

M40

12

Exists

DLK-126

< COMPONENT DIAGNOSIS >

[WITH I-KEY, WITHOUT SUPER LOCK]

ANTI-HIJACK RELAY

4.

CHECK PASSENGER SIDE ANTI-HIJACK RELAY GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect passenger side anti-hijack relay connector and Intelligent Key unit connector.

3.

Check voltage between passenger side anti-hijack relay connector and ground.

4.

Check continuity between passenger side anti-hijack relay connector and Intelligent Key unit connector.

5.

Check continuity between passenger side anti-hijack relay connector and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Check condition of harness and connector. If OK, repair or replace harness.

5.

CHECK ANTI-HIJACK RELAY

Check anti-hijack relay.
Refer to 

DLK-126, "PASSENGER SIDE : Component Inspection"

.

Is the inspection result normal?

YES

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

NO

>> Replace anti-hijack relay. Refer to 

DLK-25, "DOOR LOCK AND UNLOCK SWITCH :

Component Parts Location"

.

PASSENGER SIDE : Component Inspection

INFOID:0000000001034194

1.

CHECK ANTI-HIJACK RELAY 

1.

Turn ignition switch OFF.

2.

Disconnect passenger side anti-hijack relay harness connector.

3.

Check continuity passenger side anti-hijack relay terminals 3 and 4.

Is the inspection result normal?

YES

>> Passenger side anti-hijack relay is OK.

NO

>> Replace passenger side anti-hijack relay. Refer to 

DLK-25, "DOOR LOCK AND UNLOCK

SWITCH : Component Parts Location"

.

Terminal

Condition

Voltage (V)

(Approx.)

(+)

(–)

Passenger side anti-hijack relay 

connector

Terminal 

M90

2

Ground

Ignition switch OFF

Battery voltage

Passenger side anti-hijack relay 

connector

Terminal

Intelligent Key unit 

connector

Terminal

Continuity 

M90

1

M40

40

Exists

Passenger side anti-hijack relay connector

Terminal

Ground

Continuity 

M90

1

Does not exist

Passenger side anti-hijack 

relay connector

Terminal Condition

Continuity 

M90

3

4

Battery voltage direct current 
supply between terminals 1 and 2

Does not exist

Other than above

Exists