Nissan Murano Z51. Manual - part 1556

WW-102

< ECU DIAGNOSIS INFORMATION >

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

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA0863ZZ

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

(L)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

4

(LG)

Ground

Front wiper LO

Output

Ignition 
switch ON

Front wiper switch OFF

0 V

Front wiper switch LO

Battery voltage

5

(Y)

Ground

Front wiper HI

Output

Ignition 
switch ON

Front wiper switch OFF

0 V

Front wiper switch HI

Battery voltage

7

(GR)

Ground

Tail, license plate lamps & 
illuminations

Output

Ignition 
switch ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

10

(BR)

Ground

ECM relay power supply

Output

Ignition switch OFF
(More than a few seconds after turning 
ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning igni-
tion switch OFF)

Battery voltage

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

WW-103

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

11

*2

(P)

Ground

Steering lock unit power 
supply

Output

Ignition 
switch 
OFF

A few seconds after open-
ing the driver door

Battery voltage 

Ignition 
switch 
LOCK

Press the push-button ig-
nition switch

Battery voltage 

Ignition switch ACC or ON

0 V

12

(B)

Ground

Ground

—

Ignition switch ON

0 V

13

(SB)

Ground

Fuel pump power supply 

Output

Approximately 1 second or more after 
turning the ignition switch ON

0 V

• Approximately 1 second after turning 

the ignition switch ON

• Engine running

Battery voltage

15

(W)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

16

(L/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

19

(Y)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

20

(L)

Ground

Ambient sensor ground

Output

Ignition switch ON

0 V

21

(O)

Ground

Ambient sensor 

Input

Ignition switch ON
NOTE:
Changes depending to ambient tem-
perature

22

(SB)

Ground

Refrigerant pressure sen-
sor ground

Output

Engine 
running

• Warm-up condition
• Idle speed

0 V

23

(GR)

Ground

Refrigerant pressure sen-
sor

Output

Engine 
running

• Warm-up condition
• Both A/C switch and 

blower fan motor switch 
ON
(Compressor operates)

1.0 - 4.0 V

24

(G)

Ground

Refrigerant pressure sen-
sor power supply

Input

Ignition switch OFF

0 V

Ignition switch ON

5.0 V

25

(GR)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

26

*1

(Y)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

27

(W)

Ground

Ignition relay monitor

Input

Ignition switch OFF or ACC

Battery voltage

Ignition switch ON

0 V

28

(SB)

Ground

Push-button ignition 
switch

Input

Press the push-button ignition switch

0 V

Release the push-button ignition switch

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JSNIA0014GB

WW-104

< ECU DIAGNOSIS INFORMATION >

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

30

(BR)

Ground

Starter relay control 

Input

Ignition 
switch ON

Selector lever in any posi-
tion other than P or N

0 V

Selector lever P or N

Battery voltage

32

*2

(V)

Ground

Steering lock unit condi-
tion-1

Input

Steering lock is activated

0 V

Steering lock is deactivated

Battery voltage

33

*2

(G)

Ground

Steering lock unit condi-
tion-2

Input

Steering lock is activated

Battery voltage

Steering lock is deactivated

0 V

34

(O)

Ground

Cooling fan relay-3 control

Input

Cooling fan stopped

Battery voltage

Cooling fan at HI operation

0 V

35

(P)

Ground

Cooling fan relay-1 power 
supply

Input

Cooling fan stopped

Battery voltage

Cooling fan at LO operation

6.0 V

36

(G)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

38

(GR)

Ground

Cooling fan relay-1 power 
supply

Output

Cooling fan not operating

0 V

Cooling fan at LO operation

6.0 V

39

(P)

—

CAN-L

Input/ 

Output

—

—

40

(L)

—

CAN-H

Input/ 

Output

—

—

41

(B)

Ground

Ground

—

Ignition switch ON

0 V

42

(SB)

Ground

Cooling fan relay-2 control

Input

Cooling fan stopped

Battery voltage

• Cooling fan MID operating
• Cooling fan HI operating

0 V

43

(Y)

Ground

CVT shift selector
(Detention switch)

Input

Ignition 
switch ON

Press the selector button 
(selector lever P)

Battery voltage

• Selector lever in any po-

sition other than P

• Release the selector 

button (selector lever P)

0 V

44

(W)

Ground

Horn relay control

Input

The horn is deactivated

Battery voltage

The horn is activated

0 V

45

(O)

Ground

Horn switch

Input

The horn is deactivated

Battery voltage

The horn is activated

0 V

46

(BR)

Ground

Starter relay control 

Input

Ignition 
switch ON

Selector lever in any posi-
tion other than P or N

0 V

Selector lever P or N

Battery voltage

48

(W)

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

49

(R/B)

Ground

ECM relay power supply

Output

Ignition switch OFF
(More than a few seconds after turning 
ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning igni-
tion switch OFF)

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

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

WW-105

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

51

(LG)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

52

(Y/G)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

53

(R/W)

Ground

ECM relay power supply

Output

Ignition switch OFF
(More than a few seconds after turning 
ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning igni-
tion switch OFF)

Battery voltage

54

(G/W)

Ground

Throttle control motor re-
lay power supply

Output

Ignition switch OFF
(More than a few seconds after turning 
ignition switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning igni-
tion switch OFF)

Battery voltage

55

(W/L)

Ground

ECM power supply

Output

Ignition switch OFF

Battery voltage

56

(R/Y)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

57

(O)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

58

(Y)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

69

(W/B)

Ground

ECM relay control

Output

Ignition switch OFF
(More than a few seconds after turning 
ignition switch OFF)

Battery voltage

• Ignition switch ON
• Ignition switch OFF

(For a few seconds after turning igni-
tion switch OFF)

0 - 1.5 V

70

(O)

Ground

Throttle control motor re-
lay control

Output

Ignition switch ON 

→

 OFF

0 -1.0 V 

↓

Battery voltage

↓

0 V

Ignition switch ON

0 - 1.0 V

72

(R/B)

Ground

Starter relay control 

Input

Ignition 
switch ON

Selector lever in any posi-
tion other than P or N

0 V

Selector lever P or N

Battery voltage

75

(LG)

Ground

Oil pressure switch

Input

Ignition 
switch ON

Engine stopped

0 V

Engine running

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−