Nissan Tiida C11. Manual — part 1097

MWI-78

< ECU DIAGNOSIS >

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

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value

(Approx.)

Ignition

switch

Operation or condition

1

R

Battery power supply

Input

OFF

—

Battery voltage

2

G

Battery power supply

Input

OFF

—

Battery voltage

3

Y

ECM Relay

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

4

G

ECM relay

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

6

GR

Daytime light relay
control

Input

ON

Daytime light system active.

Less than battery voltage

Daytime light system inactive.

Battery voltage

7

G

ECM relay control

Input

—

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

8

G

Throttle control motor
relay

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

11

W

A/C compressor

Output

ON or

START

A/C switch ON or defrost A/C
switch

Battery voltage

A/C switch OFF or defrost A/C
switch

0V

12

O

Ignition switch sup-
plied power

Input

—

OFF or ACC

0V

ON or START

Battery voltage

14

BR

(M/T)

R

(A/T)

Fuse 49

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

15

V

Fuse 50

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

16

SB

Fuse 51

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

19

R

Starter motor

Output

START

—

Battery voltage

20

L

(with

A/C)

LG

(with-

out A/

C)

Cooling fan relay-1

Output

—

Conditions correct for cooling
fan low operation.

Battery voltage

Conditions not correct for
cooling fan low operation.

0V

21

W

Ignition switch START
signal

Input

START

—

Battery voltage

22

G

Battery power supply

Input

—

—

Battery voltage

23

L

Cooling fan relay-2

Input

—

Conditions correct for cooling
fan high operation

Battery voltage

Conditions not correct for
cooling fan high operation

0V

24

Y

Cooling fan relay-3

Output

—

Conditions correct for cooling
fan high operation

Battery voltage

Conditions not correct for
cooling fan high operation

0V

27

BR

Tail lamp relay (park-
ing lamps)

Output

—

Lighting switch in 2nd position

Battery voltage

MWI

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

MWI-79

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

29

P

Tail lamp relay (park-
ing lamps)

Output

—

Lighting switch in 2nd position

Battery voltage

30

R

Fuse 54

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

31

O

Fuse 55

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

32

L

Wiper high speed sig-
nal

Output

ON or

START

Wiper switch

OFF, LO, INT

0V

HI

Battery voltage

33

Y

Wiper low speed sig-
nal

Output

ON or

START

Wiper switch

OFF

0V

LO or INT

Battery voltage

35

BR

Starter relay (inhibit
switch)

Input

ON or

START

Selector lever in "P" or "N"
(CVT or A/T) or clutch pedal
depressed (M/T)

Battery voltage

Selector lever any other posi-
tion (CVT or A/T) or clutch
pedal released (M/T)

0V

36

BR

Fuel pump relay

Output

—

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

37

G

Oil pressure switch

Input

ON or

START

Engine running and oil pres-
sure within specification

Battery voltage

Engine not running or oil pres-
sure below specification

0V

38

R

Wiper auto stop signal

Input

ON or

START

Wipers not in park position

Battery voltage

Wipers in park position

0V

39

B

Ground

Input

—

—

0V

40

P

CAN-L

—

ON

—

—

41

L

CAN-H

—

ON

—

—

46

Y

Throttle control motor
relay control

Input

—

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

47

GR

Fuel pump relay con-
trol

Input

—

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

50

V

Front fog lamp (LH)

Output

ON or

START

Lighting
switch must
be in the 2ND
position
(LOW beam
is ON) and
the front fog
lamp switch

OFF

0V

ON

Battery voltage

51

W

Front fog lamp (RH)

Output

ON or

START

Lighting
switch must
be in the 2ND
position
(LOW beam
is ON) and
the front fog
lamp switch

OFF

0V

ON

Battery voltage

52

L

LH Low beam head-
lamp

Output

—

Lighting switch in 2nd position

Battery voltage

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value

(Approx.)

Ignition

switch

Operation or condition

MWI-80

< ECU DIAGNOSIS >

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

54

P

RH Low beam head-
lamp

Output

—

Lighting switch in 2nd position

Battery voltage

55

G

LH High beam head-
lamp

Output

—

Lighting switch in 2nd position
and placed in HIGH or PASS
position

Battery voltage

56

Y

RH High beam head-
lamp

Output

—

Lighting switch in 2nd position
and placed in HIGH or PASS
position

Battery voltage

59

B

Ground

Input

—

—

0V

60

R

Rear window defogger
relay

Output

ON or

START

Rear defogger Switch ON

Battery voltage

Rear defogger Switch OFF

0V

Terminal

Wire

color

Signal name

Signal

input/

output

Measuring condition

Reference value

(Approx.)

Ignition

switch

Operation or condition

MWI

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

MWI-81

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram

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ALMWA0086GB