Nissan Qashqai (2007-2010). Manual - part 1078

INSIDE KEY ANTENNA

DLK-391

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

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-273, "CONSOLE : Exploded View"

 (console).

NO

>> Check intermittent incident. Refer to 

GI-39, "Intermittent Incident"

.

REAR SEAT

Intelligent Key unit connector

Terminal

Ground

Continuity 

M40

15

Does not exist

16

Terminal

Condition

Signal

(Reference value)

(+)

(–)

Intelligent Key unit 

connector

Terminal

M40

Console

(+)

15

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.

Console

(-)

16

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

DLK-392

< COMPONENT DIAGNOSIS >

[WITH I-KEY & SUPER LOCK]

INSIDE KEY ANTENNA

REAR SEAT : Description

INFOID:0000000001109362

Detects whether Intelligent Key is inside the vehicle.

REAR SEAT : Component Function Check

INFOID:0000000001109363

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL

With CONSULT-III

1.

Check “ANTENNA” in “Active Test” mode with CONSULT-III.

2.

Touch “ROOM ANT 2”. 

3.

When Intelligent Key is in inside key antenna (rear seat) detection area, hazard lamp flases.

Is the inspection result normal?

YES

>> Inside key antenna is OK.

NO

>> Refer to 

DLK-392, "REAR SEAT : Diagnosis Procedure"

.

REAR SEAT : Diagnosis Procedure

INFOID:0000000001109364

1.

CHECK INSIDE KEY ANTENNA INPUT SIGNAL 1

1.

Turn ignition switch OFF.

2.

Check signal between Intelligent Key unit connector and ground with oscilloscope.

Test Item

Inside Antenna

ANTENNA

:ROOM ANT 2 

Inside key antenna (rear seat)

INSIDE KEY ANTENNA

DLK-393

< COMPONENT DIAGNOSIS >

[WITH I-KEY & 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-394

< COMPONENT DIAGNOSIS >

[WITH I-KEY & 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