Nissan Cube. Manual - part 685

MWI-64

< ECU DIAGNOSIS INFORMATION >

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

ST RLY CONT

Ignition switch ON

Off

At engine cranking

On

IHBT RLY -REQ

Ignition switch ON

Off

At engine cranking

On

ST/INHI RLY

Ignition switch ON

Off

At engine cranking

INHI ON 

→

 ST ON

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

• Pull the selector lever with selec-

tor lever in P position

• Selector lever in any position oth-

er than P

Off

Release the selector lever with selector lever in P position
NOTE:
Fixed On for M/T models

On

S/L RLY -REQ

NOTE:
The item is indicated, but not monitored.

Off

S/L STATE

NOTE:
The item is indicated, but not monitored.

UNLOCK

DTRL REQ

NOTE:
The item is indicated, but not monitored.

Off

OIL P SW

Ignition switch OFF, ACC or engine running

Open

Ignition switch ON

Close

HOOD SW

NOTE:
The item is indicated, but not monitored.

Off

THFT HRN REQ

Not operation

Off

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

TEM

On

HORN CHIRP

Not operating

Off

Door locking with Intelligent Key (horn chirp mode)

On

Monitor Item

Condition

Value/Status

MWI

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

MWI-65

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA1423ZZ

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

1

(R)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

2

(G)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

3

(BR)

Ground

Starter motor

Output

Ignition switch ON

0 V

At engine cranking

Battery voltage

4

(P)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

5

(LG)

Ground

Cooling fan relay-1 
power supply

Output

Cooling fan OFF

0 V

Cooling fan operated

Battery voltage

7

(Y)

Ground

Cooling fan relay-2 
power supply

Output

Cooling fan OFF

0 V

Cooling fan LO operated

9.0 V

Cooling fan HI operated

Battery voltage

8

(V)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

9

(B/W)

Ground

Ground

—

Ignition switch ON

0 V

10

(L)

Ground

Cooling fan motor 
ground

Output

Cooling fan OFF

0 V

Cooling fan LO operated

5.0 V

Cooling fan HI operated

0 V

MWI-66

< ECU DIAGNOSIS INFORMATION >

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

13

(W)

Ground

Rear window defogger

Output

Ignition 
switch 
ON

Rear window defogger 
switch OFF

0 V

Rear window defogger 
switch ON

Battery voltage

19

(B/W)

Ground

Ground

—

Ignition switch ON

0 V

21

(W)

Ground

Front fog lamp (RH)

Output

Lighting 
switch 
2ND

Front fog lamp switch 
OFF

0 V

Front fog lamp switch ON

Battery voltage

22

(V)

Ground

Front fog lamp (LH)

Output

Lighting 
switch 
2ND

Front fog lamp switch 
OFF

0 V

Front fog lamp switch ON

Battery voltage

24

(G)

Ground

Oil pressure switch

Input

Ignition 
switch 
ON

Engine stopped

0 V

Engine running

Battery voltage

25

(Y)

Ground

Front wiper auto stop

Input

Ignition 
switch 
ON

Front wiper stop position

0 V

Any position other than 
front wiper stop position

Battery voltage

26

(P)

Ground

CAN-L

Input/

Output

—

—

27

(L)

Ground

CAN-H

Input/

Output

—

—

30

(SB)

Ground

Starter relay control

Output

At engine cranking

0 V

Ignition switch ON

Battery voltage

31

(W)

Ground

Fuel pump relay control

Output

• Approximately 1 second after turn-

ing the ignition switch ON

• Engine running

0 - 1.5 V

Approximately 1 second or more after 
turning the ignition switch ON

Battery voltage

33

(O)

Ground

Power generation com-
mand signal

Output

Ignition switch ON

Battery voltage

40 % is set on “ACTIVE TEST”, “AL-
TERNATOR DUTY” of “ENGINE”

3.8 V

80 % is set on “ACTIVE TEST”, “AL-
TERNATOR DUTY” of “ENGINE”

1.4 V

34

(R)

Ground

Horn relay control

Output

The horn is deactivated

Battery voltage

The horn is activated

0 V

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

JPMIA0002GB

JPMIA0003GB

MWI

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

MWI-67

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

36

(O)

Ground

Parking lamp (LH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

37

(V)

Ground

Parking lamp (RH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

38

(G)

Ground

Tail lamp (RH) & illumi-
nations

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

39

(V)

Ground

Front wiper HI

Output

Ignition 
switch 
ON

Front wiper switch OFF

0 V

Front wiper switch HI

Battery voltage

40

(R)

Ground

ECM relay control

Output

Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)

Battery voltage

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ig-
nition switch OFF)

0 - 1.5 V

41

(SB)

Ground

Tail lamp (LH) & license 
plate lamps 

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

43

(G)

Ground

ECM relay power sup-
ply

Output

Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ig-
nition switch OFF)

Battery voltage

44

(P)

Ground

ECM relay power sup-
ply

Output

Ignition switch OFF
(More than a few seconds after turn-
ing ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning ig-
nition switch OFF)

Battery voltage

45

(Y)

Ground

TCM power supply

Output

Ignition switch OFF

Battery voltage

46

(O)

Ground

Front wiper LO

Output

Ignition 
switch 
ON

Front wiper switch OFF

0 V

Front wiper switch LO

Battery voltage

47

(BR)

Ground

Transmission range 

switch

*1

Input

Select lever in any position other than 
P or N (Ignition switch ON)

0 V

Select lever P or N (Ignition switch 
ON)

Battery voltage

Clutch interlock 

switch

*2

Release the clutch pedal

0 V

Depress the clutch pedal

Battery voltage

49

(W)

Ground

Headlamp HI (RH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

• Lighting switch HI
• Lighting switch PASS

Battery voltage

50

(GR)

Ground

Headlamp HI (LH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

• Lighting switch HI
• Lighting switch PASS

Battery voltage

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–