Nissan Pathfinder (2012 year). Instruction — part 152

KEY SWITCH (INTELLIGENT KEY UNIT INPUT)

DLK-111

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

Check continuity between key switch and ignition knob switch termi-

nals 3 and 4.

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace key cylinder assembly (built-in key switch).

4.

CHECK KEY SWITCH CIRCUIT

1. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 7 and key switch and

ignition knob switch harness connector (B) M66 terminal 4.

2. Check continuity between Intelligent Key unit harness connector

(A) M164 terminal 7 and ground.

Is the inspection result normal?

YES

>> Check the condition of harness and harness connector.

NO

>> Repair or replace harness between Intelligent Key unit

and key switch and ignition knob switch.

Component

Terminals

Condition

Continuity

Key switch

3

4

Insert mechanical key
into ignition switch.

Yes

Remove mechanical key
from ignition switch.

No

ALKIA1214ZZ

7 - 4

: Continuity should exist.

7 - Ground

: Continuity should not exist.

ALKIA1215ZZ

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-112

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

KEY SWITCH (BCM INPUT)

KEY SWITCH (BCM INPUT)

Diagnosis Procedure

INFOID:0000000007355500

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

.

1.

CHECK KEY SWITCH POWER SUPPLY CIRCUIT

1. Remove mechanical key from ignition switch.

2. Disconnect key switch and ignition knob switch connector.

3. Check voltage between key switch and ignition knob switch har-

ness connector M66 terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check harness between key switch and ignition knob

switch and fuse.

2.

CHECK KEY SWITCH

Check continuity between key switch and ignition knob switch termi-

nals 3 and 4.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Replace key cylinder assembly (built-in key switch).

3.

CHECK KEY SWITCH SIGNAL CIRCUIT

1. Disconnect BCM connector.

2. Check continuity between BCM harness connector M18 terminal

37 and key switch and ignition knob switch harness connector

M66 terminal 4.

3. Check continuity between BCM harness connector M18 terminal

37 and ground.

Is the inspection result normal?

YES

>> Key switch (BCM input) circuit is OK.

NO

>> Repair or replace harness between key switch and ignition knob switch and BCM.

3 – Ground

: Battery voltage.

ALKIA1213ZZ

Component

Terminals

Condition

Continuity

Ignition

switch

3

4

Insert mechanical key
into ignition switch.

Yes

Remove mechanical key
from ignition switch.

No

ALKIA1214ZZ

37 – 4

: Continuity should exist.

37 – Ground

: Continuity should not exist.

ALKIA1216ZZ

August 2012

2012 Pathfinder

2012 Pathfinder

IGNITION KNOB SWITCH

DLK-113

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

IGNITION KNOB SWITCH

Diagnosis Procedure

INFOID:0000000007355501

Regarding Wiring Diagram information, refer to

DLK-151, "Wiring Diagram"

.

1.

CHECK IGNITION KNOB SWITCH

With CONSULT

Display “PUSH SW” on DATA MONITOR screen, and check if ON/OFF display is linked to ignition switch oper-

ation.

Without CONSULT

1. Turn ignition switch OFF.

2. Disconnect Intelligent Key unit connector.

3. Check voltage between Intelligent Key unit harness connector

M164 terminal 27 and ground.

Is the inspection result normal?

YES

>> Ignition knob switch is OK.

NO

>> GO TO 2

2.

CHECK IGNITION KNOB SWITCH POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect key switch and ignition knob switch connector.

3. Check voltage between key switch and ignition knob switch harness connector M66 terminal 1 and

ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace key switch and ignition knob switch

power supply circuit.

3.

CHECK IGNITION KNOB SWITCH OPERATION

Check continuity between key switch and ignition knob switch terminals 1 and 2.

Monitor item

Condition

PUSH SW

Ignition switch is pushed: ON

Ignition switch is released: OFF

Connector

Terminals

Condition

Voltage (V)

(Approx.)

(+)

(–)

M164

27

Ground

Ignition switch is
pushed

Battery voltage

Ignition switch is re-
leased

0

WIIA1175E

1 - Ground

: Battery voltage

ALKIA1217ZZ

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-114

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

IGNITION KNOB SWITCH

Is the inspection result normal?

YES

>> GO TO 4

NO

>> Replace key switch and ignition knob switch.

4.

CHECK IGNITION KNOB SWITCH CIRCUIT

1. Check continuity between Intelligent Key unit harness connector (A) M164 terminal 27 and key switch and

ignition knob switch harness connector (B) M66 terminal 2.

2. Check continuity between Intelligent Key unit harness connector

M164 terminal 27 and ground.

Is the inspection result normal?

YES

>> Check the condition of harness and harness connector.

NO

>> Repair or replace harness between Intelligent Key unit

and key switch and ignition knob switch.

Component

Terminals

Condition

Continuity

Ignition

knob switch

1

2

Ignition switch is pushed

Yes

Ignition switch is released

No

ALKIA1218ZZ

27 - 2

: Continuity should exist.

27 - Ground

: Continuity should not exist.

ALKIA1219ZZ

August 2012

2012 Pathfinder

2012 Pathfinder

HEADLAMP FUNCTION

DLK-115

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

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F

G

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A

B

DLK

N

O

P

HEADLAMP FUNCTION

Diagnosis Procedure

INFOID:0000000007355502

1.

CHECK HEADLAMP OPERATION

Do headlamps operate with headlamp switch?
YES or NO

YES

>> Headlamp circuit is OK.

NO

>> Check headlamp circuit. Refer to

EXL-4, "Work Flow"

.

August 2012

2012 Pathfinder

2012 Pathfinder

DLK-116

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

MAP LAMP AND IGNITION KEYHOLE ILLUMINATION FUNCTION

MAP LAMP AND IGNITION KEYHOLE ILLUMINATION FUNCTION

Diagnosis Procedure

INFOID:0000000007355503

1.

CHECK MAP LAMP OPERATION

When room lamp switch is in "DOOR" position, open the driver or passenger door.

Map lamp and ignition keyhole illumination should illuminate.
Is the inspection result normal?

YES

>> Map lamp circuit is OK.

NO

>> Check map lamp circuit. Refer to

INL-3, "Work Flow"

.

August 2012

2012 Pathfinder

2012 Pathfinder

MAP LAMP AND IGNITION KEYHOLE ILLUMINATION FUNCTION

DLK-117

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

DLK

N

O

P

2012 Pathfinder

DLK-118

< DTC/CIRCUIT DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

MAP LAMP AND IGNITION KEYHOLE ILLUMINATION FUNCTION

2012 Pathfinder