Nissan Murano. Manual - part 1268

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

SEC-169

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

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

(R)

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

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

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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JSNIA0014GB

SEC-170

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

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

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 but-

ton (selector lever P)

• Selector lever in any po-

sition other than P

Battery voltage

Release the selector but-
ton (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

(G)

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

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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

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

SEC-171

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

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

+

−

SEC-172

< ECU DIAGNOSIS INFORMATION >

[WITH INTELLIGENT KEY SYSTEM]

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

76

(SB)

Ground

Power generation com-
mand signal

Output

Ignition switch ON

6.3 V

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

77

(GR)

Ground

Fuel pump relay control

Output

• Approximately 1 second after turning 

the ignition switch ON

• Engine running

0 - 1.5 V

Approximately 1 second or more after 
turning the ignition switch ON

Battery voltage

80

(B)

Ground

Starter motor 

Output

At engine cranking

Battery voltage

83

(Y)

Ground

Headlamp LO (RH)

Output

Ignition 
switch ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

84

(L)

Ground

Headlamp LO (LH)

Output

Ignition 
switch ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

86

(SB)

Ground

Front fog lamp (RH)

Output

Lighting 
switch 
2ND

Front fog lamp switch OFF

0 V

• Front fog lamp switch 

ON

• Daytime running light 

activated (Only for Can-
ada)

Battery voltage

87

(GR)

Ground

Front fog lamp (LH)

Output

Lighting 
switch 
2ND

Front fog lamp switch OFF

0 V

• Front fog lamp switch 

ON

• Daytime running light 

activated (Only for Can-
ada)

Battery voltage

88

(W)

Ground

Washer pump power sup-
ply

Output

Ignition switch ON

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

JPMIA0001GB

JPMIA0002GB

JPMIA0003GB