Infiniti QX56 (JA60). Manual - part 1046

 

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Infiniti QX56 (JA60). Manual - part 1046

 

 

WW-60

< ECU DIAGNOSIS >

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

TERMINAL LAYOUT —TYPE B

Physical Values

INFOID:0000000005369225

PHYSICAL VALUES

AAMIA0364GB

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

WW-61

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

Terminal

Wire

color

Signal name

Signal 

input/

output

Measuring condition

Reference value

(Approx.)

Igni-

tion 

switch

Operation or condition

1

B/Y

Battery power supply

Input

OFF

Battery voltage

2

R

Battery power supply

Input

OFF

Battery voltage

3

BR

ECM  relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

4

W/L

ECM  relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

6

L

Throttle control motor 
relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

7

W/B

ECM relay control

Input

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

8

R/B

Fuse 54

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

10

G

Fuse 45
(Canada only)

Output

ON

Daytime light system active

0V

Daytime light system inactive

Battery voltage

11

Y/B

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

L/W

Ignition switch sup-
plied power

Input

OFF or ACC

0V

ON or START

Battery voltage

13

B/Y

Fuel pump relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

14

Y/R

Fuse 49

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

15

LG/B

Fuse 50

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

16

G

Fuse 51

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

17

W

Fuse 55

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

19

W/R

Starter motor

Output

START

Battery voltage

21

BR

Ignition switch sup-
plied power

Input

OFF or ACC

0V

START

Battery voltage

22

G

Battery power supply

Output

OFF

Battery voltage

23

GR/W

Door mirror defogger 
output signal

Output

When rear defogger switch is 
ON

Battery voltage

When raker defogger switch is 
OFF

0V

24

L

Cooling fan relay

Output

Conditions correct for cooling 
fan operation

Battery voltage

Conditions not correct for 
cooling fan operation

0V

WW-62

< ECU DIAGNOSIS >

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

26

P/L

Headlamp aiming mo-
tors

Output

Lighting 
switch 2nd 
position or 
AUTO, head-
lamp aiming 
switch in po-
sition

OFF

0V

ON

Battery voltage

27

W/B

Fuse 38
(With trailer tow)

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

30

W

Fuse 53

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

32

L

Wiper low speed sig-
nal

Output

ON or 

START

Wiper switch

OFF

Battery voltage

LO or INT

0V

35

L/B

Wiper high speed sig-
nal

Output

ON or 

START

Wiper switch

OFF, LO, INT

Battery voltage

HI

0V

37

Y

Power generation 
command signal

Output

Ignition switch ON

6.3 V

40% is set on "Active test," 
"ALTERNATOR DUTY" of 
"ENGINE"

3.8 V

40% is set on "Active test," 
"ALTERNATOR DUTY" of 
"ENGINE"

1.4 V

38

B

Ground

Input

0V

39

L

CAN-H

ON

40

P

CAN-L

ON

41

Y/B

Hood switch

Input

Hood closed

OFF

0V

Hood open

ON

Battery voltage

42

GR

Oil pressure switch

Input

Engine running

Battery voltage

Engine stopped

0V

Terminal

Wire

color

Signal name

Signal 

input/

output

Measuring condition

Reference value

(Approx.)

Igni-

tion 

switch

Operation or condition

JPMIA0001GB

JPMIA0002GB

JPMIA0003GB

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

WW-63

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

WW

N

O

P

43

L/Y

Wiper auto stop signal

Input

ON or 

START

Wiper switch

OFF, LO, INT

Battery voltage

44

BR

Daytime light relay 
control
(Canada only)

Input

ON

Daytime light system active

0V

Daytime light system inactive

Battery voltage

45

G/W

Horn relay control

Input

ON

When door locks are operated 
using Intelligent Key (OFF 

→ 

ON)*

Battery voltage 

→ 0V

46

GR

Fuel pump relay con-
trol

Input

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

47

O

Throttle control motor 
relay control

Input

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

48

B/R

Starter relay (inhibit 
switch)

Input

ON or 

START

Selector lever in "P" or "N"

0V

Selector lever any other posi-
tion

Battery voltage

49

R/L

Trailer tow relay
(With trailer tow)
Illumination
(Without trailer tow)

Output

ON

Lighting 
switch must 
be in the 1st 
position

OFF

0V

ON

Battery voltage

50

W/R

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/R

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

54

R/Y

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

(With 

DTRL)

L/W

(Without 

DTRL)

RH high beam head-
lamp

Output

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

Battery voltage

57

R/L

Parking, license, and 
tail lamp

Output

ON

Lighting 
switch 1st po-
sition

OFF

0V

ON

Battery voltage

59

B

Ground

Input

0V

Terminal

Wire

color

Signal name

Signal 

input/

output

Measuring condition

Reference value

(Approx.)

Igni-

tion 

switch

Operation or condition

 

 

 

 

 

 

 

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