Nissan Pathfinder (2009 year). Manual — part 584

SEC-94

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

ABKIA0356GB

2009 Pathfinder

INTELLIGENT KEY UNIT

SEC-95

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

ABKIA0357GB

2009 Pathfinder

SEC-96

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

ABKIA0358GB

2009 Pathfinder

INTELLIGENT KEY UNIT

SEC-97

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

ABKIA0359GB

2009 Pathfinder

SEC-98

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

INTELLIGENT KEY UNIT

Fail Safe

INFOID:0000000003938487

DTC Inspection Priority Chart

INFOID:0000000003938488

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority
chart.

DTC Index

INFOID:0000000003938489

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF

→

ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→

2

→

3...38

→

39 after returning to the normal condition whenever ignition switch OFF

→

ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch
OFF

→

ON after returning to the normal condition if the malfunction is detected again.

Display contents of CONSULT-III

Fail-safe

Cancellation

B2013: STRG COMM 1

• Inhibits steering look unlocking

Erase DTC

B2552: INTELLIGENT KEY

• Inhibits steering look unlocking
• Inhibits engine cranking

(BCM)

• Fuel cut

(ECM)

Erase DTC

B2590: NATS MALFUNCTION

• Inhibits steering look unlocking
• Inhibits engine cranking

(BCM)

• Fuel cut

(ECM)

Erase DTC

Priority

DTC

1

• U1000: CAN COMM CIRCUIT
• U1010: CONTROL UNIT (CAN)
• B2552: INTELLIGENT KEY

2

• B2013: STRG COMM 1
• B2590: NATS MALFUNCTION

CONSULT display

Detection condition

Fail-safe

Diagnosis

No DTC is detected.
further testing
may be required.

—

—

—

U1000: CAN COMM CIRCUIT

Intelligent Key unit cannot receive CAN communi-
cation signal continuously for 2 seconds or more.

—

Check CAN communi-
cation system.
Refer to

SEC-25

.

U1010: CONTROL UNIT (CAN)

Intelligent Key unit detects internal CAN communi-
cation circuit malfunction.

—

Replace Intelligent Key
unit.

B2013: STRG COMM 1

The ID verification result between Intelligent key
unit and steering lock solenoid are NG. Or Intelligent
Key unit cannot communicate with steering lock so-
lenoid.

×

Perform steering lock
unit ID registration with
CONSULT-III

B2552: INTELLIGENT KEY

Intelligent Key unit internal malfunction.

×

Replace Intelligent Key
unit. Refer to

SEC-119

.

B2590: NATS MALFUNCTION

The ID verification result between Intelligent key
unit and BCM are NG. Or Intelligent Key unit cannot
communicate with BCM.

×

Check NATS
Refer to

SEC-39

.

2009 Pathfinder

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

SEC-99

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

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M

A

B

SEC

N

O

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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE
ROOM)

Reference Value

INFOID:0000000004432086

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

MOTOR FAN REQ

Engine idle speed

Changes depending on engine
coolant temperature, air conditioner
operation status, vehicle speed,
etc.

0 - 100 %

A/C COMP REQ

A/C switch OFF

OFF

A/C switch ON

ON

TAIL&CLR REQ

Lighting switch OFF

OFF

Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)

ON

HL LO REQ

Lighting switch OFF

OFF

Lighting switch 2ND HI or AUTO (Light is illuminated)

ON

HL HI REQ

Lighting switch OFF

OFF

Lighting switch HI

ON

FR FOG REQ

Lighting switch 2ND or AUTO (Light
is illuminated)

Front fog lamp switch OFF

OFF

• Front fog lamp switch ON
• Daytime light activated (Canada

only)

ON

H L WASHER REQ

NOTE:
This item is displayed, but cannot be monitored.

OFF

FR WIP REQ

Ignition switch ON

Front wiper switch OFF

STOP

Front wiper switch INT

1LOW

Front wiper switch LO

LOW

Front wiper switch HI

HI

WIP AUTO STOP

Ignition switch ON

Front wiper stop position

STOP P

Any position other than front wiper
stop position

ACT P

WIP PROT

Ignition switch ON

Front wiper operates normally

OFF

Front wiper stops at fail-safe opera-
tion

BLOCK

ST RLY REQ

Ignition switch OFF or ACC

OFF

Ignition switch START

ON

IGN RLY

Ignition switch OFF or ACC

OFF

Ignition switch ON

ON

RR DEF REQ

Rear defogger switch OFF

OFF

Rear defogger switch ON

ON

OIL P SW

Ignition switch OFF, ACC or engine running

OPEN

Ignition switch ON

CLOSE

DTRL REQ

NOTE:
This item is displayed, but cannot be monitored.

OFF

HOOD SW

NOTE:
This item is displayed, but cannot be monitored.

OFF

2009 Pathfinder

SEC-100

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

THFT HRN REQ

Not operated

OFF

• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-

TEM

ON

HORN CHIRP

Not operated

OFF

Door locking with keyfob or Intelligent Key (if equipped) (horn chirp mode)

ON

Monitor Item

Condition

Value/Status

2009 Pathfinder

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

SEC-101

< ECU DIAGNOSIS >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

Terminal Layout

INFOID:0000000004432087

TERMINAL LAYOUT

Physical Values

INFOID:0000000004432088

PHYSICAL VALUES

WKIA5852E

2009 Pathfinder