Nissan Frontier. Manual - part 1027

 

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Nissan Frontier. Manual - part 1027

 

 

MWI-52

< ECU DIAGNOSIS INFORMATION >

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

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

Reference Value

INFOID:0000000010217866

VALUES ON THE DIAGNOSIS TOOL

Monitor Item

Condition

Value/Status

MOTOR FAN REQ

Engine idle speed

Changes depending on engine 
coolant temperature, air conditioner 
operation status, vehicle speed, 
etc.

 1, 2, 3, 4

A/C COMP REQ

A/C switch OFF

Off

A/C switch ON

On

TAIL&CLR REQ

Lighting switch OFF

Off

Lighting switch 1ST, 2ND, HI or AUTO (Light is illuminated)

On

HL LO REQ

Lighting switch OFF

Off

Lighting switch 2ND HI or AUTO (Light is illuminated)

On

HL HI REQ

Lighting switch OFF

Off

Lighting switch HI

On

FR FOG REQ

Lighting switch 2ND

Front fog lamp switch OFF

Off

Front fog lamp switch ON

On

FR WIP REQ

Ignition switch ON

Front wiper switch OFF

Stop

Front wiper switch INT

1LOW

Front wiper switch LO

Low

Front wiper switch HI

HI

WIP AUTO STOP

Ignition switch ON

Front wiper stop position

STOP P

Any position other than front wiper 
stop position

ACT P

WIP PROT

Ignition switch ON

Front wiper operates normally

Off

Front wiper stops at fail-safe opera-
tion

BLOCK

ST RLY REQ

Ignition switch OFF or ACC

Off

Ignition switch START

On

IGN RLY

Ignition switch OFF or ACC

Off

Ignition switch ON

On

RR DEF REQ

Rear defogger switch OFF

Off

Rear defogger switch ON

On

OIL P SW

Ignition switch OFF, ACC or engine running

Open

Ignition switch ON

Close

DTRL REQ

Daytime light system requested OFF with CONSULT.

Off

Daytime light system requested ON with CONSULT.

On

THFT HRN REQ

Not operated

Off

• Panic alarm is activated
• Horn is activated with VEHICLE SECURITY (THEFT WARNING) SYS-

TEM

On

HORN CHIRP

Not operated

Off

Door locking with keyfob (horn chirp mode)

On

MWI

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

MWI-53

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Terminal Layout

INFOID:0000000010217867

Physical Values

INFOID:0000000010217868

PHYSICAL VALUES

AAMIA0386GB

MWI-54

< ECU DIAGNOSIS INFORMATION >

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

Terminal

Wire

color

Signal name

Signal 

input/

output

Measuring condition

Reference value

(Approx.)

Igni-

tion 

switch

Operation or condition

1

W

Battery power supply

Input

OFF

Battery voltage

2

R

Battery power supply

Input

OFF

Battery voltage

3

G

ECM relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

4

P

1

R

2

ECM relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

6

V

Throttle control motor 
relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

7

BR

ECM relay control

Input

Ignition switch ON or START

0V

Ignition switch OFF or ACC

Battery voltage

8

W/R

Fuse 54

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

10

R/B

Fuse 45

Output

ON

Daytime light system active

0V

Daytime light system inactive

Battery voltage

11

Y

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

W/G

Ignition switch sup-
plied power

Input

OFF or ACC

0V

ON or START

Battery voltage

13

R

Fuel pump relay

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

14

W/G

Fuse 49

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

15

W/R

Fuse 50 (ABS)

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

16

W/G

Fuse 51

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

17

W/G

Fuse 55

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

19

W

Starter motor

Output

START

Battery voltage

20

BR

Cooling fan motor 
(low)

Output

ON or 

START

Battery voltage

21

GR

Ignition switch sup-
plied power

Input

OFF or ACC

0V

START

Battery voltage

22

G

Battery power supply

Output

OFF

Battery voltage

23

LG

Door mirror defogger 
output signal

Output

When rear defogger switch is 
ON

Battery voltage

When raker defogger switch is 
OFF

0V

MWI

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

MWI-55

< ECU DIAGNOSIS INFORMATION >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

24

P

Cooling fan motor 
(high)

Output

Conditions correct for cooling 
fan operation

Battery voltage

Conditions not correct for 
cooling fan operation

0V

27

W/G

Fuse 38

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

28

R

LH front parking and 
front side marker lamp

Output

OFF

Lighting 
switch 1st po-
sition

OFF

0V

ON

Battery voltage

29

G

Trailer tow relay

Output

ON

Lighting 
switch 1st po-
sition

OFF

0V

ON

Battery voltage

30

R/B

Fuse 53

Output

Ignition switch ON or START

Battery voltage

Ignition switch OFF or ACC

0V

32

GR

Wiper low speed sig-
nal

Output

ON or 

START

Wiper switch

OFF

Battery voltage

LO or INT

0V

35

L

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

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

 

 

 

 

 

 

 

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