Nissan Pathfinder. Manual — part 884

PCS-12

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

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

ECU DIAGNOSIS INFORMATION

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

Reference Value

INFOID:0000000009175190

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

RAD FAN REQ

Engine idle speed

Changes depending on engine cool-
ant temperature, air conditioner op-
eration status, vehicle speed, etc.

0 - 100 %

AC COMP REQ

Engine running

A/C switch OFF

Off

A/C switch ON
(Compressor is operating)

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 running light activated

(Only for Canada models)

On

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

IGN RLY1 -REQ

Ignition switch OFF or ACC

Off

Ignition switch ON

On

IGN RLY

Ignition switch OFF or ACC

Off

Ignition switch ON

On

PUSH SW

Release the push-button ignition switch

Off

Press the push-button ignition switch

On

INTER/NP SW

Ignition switch ON

CVT selector lever in any position
other than P or N

Off

CVT selector lever in P or N position On

ST RLY CONT

Ignition switch ON

Off

At engine cranking

On

IHBT RLY -REQ

Ignition switch ON

Off

At engine cranking

On

PCS

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

PCS-13

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ST/INHI RLY

Ignition switch ON

Off

At engine cranking

ST

→INHI

The status of starter relay or starter control relay cannot be recognized by
the battery voltage malfunction, etc. when the starter relay is ON and the
starter control relay is OFF

UNKWN

DETENT SW

Ignition switch ON

• Press the selector button with

CVT selector lever in P position

• CVT selector lever in any position

other than P

Off

Release the CVT selector button with CVT selector lever in P position

On

DTRL REQ

DTRL OFF

Off

DTRL ON

On

HOOD SW

Hood closed

Off

Hood open

On

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 Intelligent Key (horn chirp mode)

On

HOOD SW 2

Hood closed

Off

Hood open

On

Monitor Item

Condition

Value/Status

PCS-14

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

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

TERMINAL LAYOUT

PHYSICAL VALUES

ALMIA0562ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

1

(R)

Ground Fusible link main

Input

Ignition switch OFF

Battery voltage

2

(L)

Ground Fusible link IPDM E/R

Input

Ignition switch OFF

Battery voltage

3

(G)

Ground Fusible link ignition switch

Input

Ignition switch ON

Battery voltage

7

(B)

Ground Ground (Power)

—

Ignition switch ON

0V

9

(G)

Ground Tail RH

Output

Ignition
switch ON

Lighting switch OFF

0V

Lighting switch 1ST

Battery voltage

PCS

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

PCS-15

< ECU DIAGNOSIS INFORMATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

10

(L)

Ground Tail LH

Output

Ignition
switch ON

Lighting switch OFF

0V

Lighting switch 1ST

Battery voltage

11

(Y)

Ground Front wiper LO

Output

Ignition
switch ON

Front wiper switch OFF

0V

Front wiper switch LO

Battery voltage

13

(LG)

Ground ECM battery

Output

Ignition switch OFF

0V

Ignition switch ON

Battery voltage

14

(LG)

Ground Daytime running lamps

Output

Ignition switch OFF

Battery voltage

15

(R)

Ground Fuel pump

Output

Approximately 1 second or more after
turning the ignition switch ON

0V

• Approximately 1 second after turning

the ignition switch ON

• Engine running

Battery voltage

18

(L)

Ground Front wiper HI

Output

Ignition
switch ON

Front wiper switch OFF

0V

Front wiper switch HI

Battery voltage

19

(SB)

Ground 4WD control unit

Output

Ignition switch OFF

0V

Ignition switch ON

Battery voltage

23

(LG)

Ground Horn switch

Input

The horn is deactivated

Battery voltage

The horn is activated

0V

27

(B)

Ground Fan motor relay mid

Input

Ignition switch OFF or ACC

0V

Ignition switch ON

0.7V

28

(P)

—

CAN-L

Input/

Output

—

—

29

(L)

—

CAN-H

Input/

Output

—

—

31

(BG)

Ground Detent switch

Input

Ignition
switch ON

Press the CVT selector
button (CVT selector lever
P)

Battery voltage

• CVT selector lever in

any position other than
P

• Release the CVT selec-

tor button (CVT selector
lever P)

0V

33

(R)

Ground Starter control

Input

Ignition
switch ON

CVT selector lever in any
position other than P or N

0V

CVT selector lever P or N

Battery voltage

34

(GR)

Ground Wiper autostop

Input

Ignition
switch ON

Front wiper stop position

0V

Any position other than
front wiper stop position

Battery voltage

35

(BR)

Ground

ABS actuator and electric
unit (control unit)

Output

Ignition switch OFF

0V

Ignition switch ON

Battery voltage

36

(W)

Ground Cooling fan relay-1

Output

Ignition switch OFF

0V

Ignition switch ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−