Nissan Cube. Manual - part 688

MWI-76

< ECU DIAGNOSIS INFORMATION >

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

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA1512ZZ

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

5

(LG)

Ground

Cooling fan relay-1 
power supply

Output

Cooling fan OFF

0 V

Cooling fan operated

Battery voltage

6

(SB)

Ground

Ignition switch START

Output

Any position other ignition switch 
START

0 V

Ignition switch START

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

MWI

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

MWI-77

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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

13

(W)

Ground

Rear window defogger

Output

Ignition 
switch 
ON

Rear window defogger 
switch OFF

0 V

Rear window defogger 
switch ON

Battery voltage

18

(Y)

Ground

Ignition switch

Output

Ignition switch OFF

0 V

Ignition 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

—

—

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

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

JPMIA0002GB

JPMIA0003GB

MWI-78

< ECU DIAGNOSIS INFORMATION >

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

34

(R)

Ground

Horn relay control

Output

The horn is deactivated

Battery voltage

The horn is activated

0 V

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

Input

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

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–

MWI

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

MWI-79

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

*2: CVT models
*3: M/T models

50

(GR)

Ground

Headlamp HI (LH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

• Lighting switch HI
• Lighting switch PASS

Battery voltage

51

(R)

Ground

Headlamp LO (LH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

52

(P)

Ground

Headlamp LO (RH)

Output

Ignition 
switch 
ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

54

(GR)

Ground

Throttle control motor 
relay power supply

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

55

(P)

Ground

Fuel pump power sup-
ply

Output

Approximately 1 second or more than 
after turning the ignition switch ON

0 V

• Approximately 1 second after turn-

ing the ignition switch ON

• Engine running

Battery voltage

56

(SB)

Ground

A/C relay power supply

Output

Engine 
running

A/C switch OFF

0 V

A/C switch ON
(A/C compressor is oper-
ating)

Battery voltage

57

(G)

Ground

Throttle control motor 
relay control

Output

Ignition switch ON 

→

 OFF

0 - 1.0 V

↓

Battery voltage

↓

0 V

Ignition switch ON

0 - 1.0 V

58

(R)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

59

(Y)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

60

(V)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

61

(W)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

62

(L)

Ground

Ignition relay power 
supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

Terminal NO.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

–