Nissan Qashqai (2007-2010). Manual - part 1909

MWI-54

< ECU DIAGNOSIS >

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

TERMINAL LAYOUT

PHYSICAL VALUES

JPMIA0236GB

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

1

(G)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

2

(R)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

5

(B)

Ground

Ground

—

Ignition switch ON

0 V

MWI

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

MWI-55

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

6

(B)

Ground

Ground

—

Ignition switch ON

0 V

7

(Y)

Ground

Front wiper LO

Output

Ignition switch ON

Front wiper switch OFF

0 V

Front wiper switch LO

Battery voltage

8

(Y/R)

Ground

Front wiper HI

Output

Ignition switch ON

Front wiper switch OFF

0 V

Front wiper switch HI

Battery voltage

9

(G)

Ground

ECM relay power supply

Output

Ignition switch ON

Battery voltage

10*

1

(L/R)

Ground

ECM relay power supply

Output

Ignition switch ON

Battery voltage

11*

2

(O)

Ground

PTC heater 1 relay control

Output

PTC heater OFF

Battery voltage

PTC heater ON

0 V

12*

2

(G/Y)

Ground

PTC heater 2 relay control

Output

PTC heater OFF

Battery voltage

PTC heater ON

0 V

14

(R/B)

Ground

Ignition power supply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

15

(Y/L)*

1

(B/R)*

2

Ground

ECM relay control

Input

• Engine running
• Ignition switch OFF

(For a few seconds after turning ignition switch 
OFF)

0 - 1.0 V*

1

0.6 V*

2

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

Battery voltage

16*

3

(Y/R)

Ground

Ignition relay power supply

Output

Ignition switch ON

Battery voltage

Ignition switch OFF or ACC

0 V

19*

1

(R/O)

Ground

Ignition relay power supply

Output

Ignition switch ON

Battery voltage

Ignition switch OFF or ACC

0 V

21*

4

(GR)

Ground

Hood switch

Input

Close the hood

Battery voltage

Open the hood

0 V

22

(Y/G)

Ground

Reverse switch

Input

Ignition switch OFF or ACC

0 V

Ignition switch ON

• Selector lever “R”

(Except M/T models)

• M/T control lever “R”

(M/T models)

Battery voltage

• Selector lever in any po-

sition other than “R” (Ex-
cept M/T models)

• M/T control lever in any 

position other than “R” 
(M/T models)

0 V

23

(Y/B)

Ground

A/C relay power supply

Output

Engine stopped

0 V

Engine running

A/C switch OFF

0 V

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

Battery voltage

24

(R/Y)

Ground

Headlamp LO (RH)

Output

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−

MWI-56

< ECU DIAGNOSIS >

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

25*

1

(G/L)

Ground

ETC relay control

Input

Ignition switch OFF or ACC

Battery voltage

Ignition switch ON

0 - 1.0 V

26

(O)

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

27

(W)

Ground

Oil pressure switch

Input

Engine stopped

0 V

Engine running

Battery voltage

28

(L)

—

CAN-H

Input/ 

Output

—

—

29

(P)

—

CAN-L

Input/ 

Output

—

—

30*

4

(L)

Ground

Horn relay control

Output

The horn is not activated

Battery voltage

The horn is activated

0 V

31

(R)

Ground

Headlamp LO (sensor)

Output

Ignition switch ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

32*

1

(R/Y)

Ground

ETC relay power supply

Output

Ignition switch ON

Battery voltage

33*

1

(B/O)

Ground

Fuel pump relay control

Input

• Engine running
• Ignition switch ON

(For 1 second after turning ignition switch ON)

0 - 1.0 V

Ignition switch ON
(More than 1 second after turning ignition switch 
ON)

Battery voltage

34

(R/B)

Ground

Starter relay power supply

Input

Ignition switch ON
(Except M/T mod-
els)

Selector lever “P” or “N”

0 V

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

Battery voltage

Ignition switch ON (M/T models)

35

(W/L)

Ground

Ignition switch ON

Input

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

36

(W)

Ground

Front fog lamp (RH)

Output

Lighting switch 1ST

Front fog lamp switch ON

Battery voltage

Front fog lamp switch OFF

0 V

37

(R/W)

Ground

Parking lamp (RH)

Output

Lighting switch 1ST

Battery voltage

Lighting switch OFF

0 V

38

(R/L)

Ground

Tail, license plate lamps 
and illuminations

Output

Lighting switch 1ST

Battery voltage

Lighting switch OFF

0 V

39

(GR)

Ground

Headlamp washer relay 
control

Output

Ignition switch ON

When headlamp washer is 
operating

0 V

When headlamp washer is 
not operating

Battery voltage

40*

1

(BR/Y)*

5

(SB)*

6

Ground

Ignition relay power supply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

Battery voltage

41

(P)

Ground

Ignition relay power supply

Output

Ignition switch OFF or ACC

0 V

Ignition switch ON

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-57

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

*

1

: HR engine and MR engine models

*

2

: K9K engine models

*

3

: Except M/T models only

*

4

: With vehicle security (theft warning) system 

*

5

: HR engine models

*

6

: MR engine models

*

7

: MR engine and K9K engine models

42*

1

(B/Y)

Ground

Fuel pump relay power 
supply 

Output

• Ignition switch OFF or ACC
• Approximately 1 second or more after turning 

the ignition switch ON

0 V

• Approximately 1 second after turning the igni-

tion switch ON

• Engine running

Battery voltage

43

(W/B)

Ground

Front fog lamp (LH)

Output

Lighting switch 1ST

Front fog lamp switch ON

Battery voltage

Front fog lamp switch OFF

0 V

44

(L)

Ground

Headlamp LO (LH)

Output

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

45

(L/W)

Ground

Headlamp HI (RH)

Output

• Lighting switch 2ND and HI
• lighting switch PASS

Battery voltage

Lighting switch OFF

0 V

46

(G)

Ground

Headlamp HI (LH)

Output

• Lighting switch 2ND and HI
• Lighting switch PASS

Battery voltage

Lighting switch OFF

0 V

47

(R/L)

Ground

Parking lamp (LH)

Output

Lighting switch 1ST

Battery voltage

Lighting switch OFF

0 V

48*

7

(Y)

Ground

Cooling fan relay-3 control

Output

When cooling fan does HI operation

0 V

When cooling fan does OFF or LO operation

Battery voltage

49

(B)

Ground

Rear window defogger re-
lay power supply

Output

Ignition switch ON

Rear window defogger 
switch ON

Battery voltage

Rear window defogger 
switch OFF

0 V

50

(B/R)

Ground

Starter relay power supply

Output

When engine is clanking

Battery voltage

When engine is not clanking

0 V

51

(P)

Ground

Ignition switch START

Input

Ignition switch START

Battery voltage

Ignition switch OFF, ACC or ON

0 V

52

(W)

Ground

Cooling fan relay-1 power 
supply

Output

When cooling fan does LO or HI operation

Battery voltage

When cooling fan does OFF operation

0 V

53

(W/B)

Ground

Battery power supply 
(Cooling fan relay)

Input

Ignition switch OFF

Battery voltage

54*

5

(R)

Ground

Cooling fan relay-2 power 
supply

Input

When cooling fan does HI operation

Battery voltage

When cooling fan does OFF or LO operation

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/ 

Output

+

−