Infiniti EX35. Manual — part 1116

MWI-142

< ECU DIAGNOSIS >

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

46

(R)

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

(L)

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)

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

(G)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

53

(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

54

(LG)

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

(BR)

Ground

ECM power supply

Output

Ignition switch OFF

Battery voltage

56

(V)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

57

(SB)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

58

(P)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

69

(W)

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

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

MWI

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

MWI-143

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

74

(P)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

75

(Y)

Ground

Oil pressure switch

Input

Ignition
switch ON

Engine stopped

0 V

Engine running

Battery voltage

76

(V)

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

(L)

Ground

Fuel pump relay control

Output

• Approximately 1 second after turning

the ignition switch ON

• Engine running

0 – 1.0 V

Approximately 1 second or more after
turning the ignition switch ON

Battery voltage

80

(W)

Ground

Starter motor

Output

At engine cranking

Battery voltage

83

(O)

Ground

Headlamp LO (RH)

Output

Ignition
switch ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

84

(V)

Ground

Headlamp LO (LH)

Output

Ignition
switch ON

Lighting switch OFF

0 V

Lighting switch 2ND

Battery voltage

86

(W)

Ground

Front fog lamp (RH)

Output

Lighting
switch
2ND

• Front fog lamp switch

ON

• Daytime running light

activated (Only for Can-
ada)

Battery voltage

Front fog lamp switch OFF

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

JPMIA0001GB

JPMIA0002GB

JPMIA0003GB

MWI-144

< ECU DIAGNOSIS >

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

*: Only for the models with ICC system

87

(L)

Ground

Front fog lamp (LH)

Output

Lighting
switch
2ND

• Front fog lamp switch

ON

• Daytime running light

activated (Only for Can-
ada)

Battery voltage

Front fog lamp switch OFF

0 V

88

(GR)

Ground

Washer pump power sup-
ply

Output

Ignition switch ON

Battery voltage

89

(BR)

Ground

Headlamp HI (RH)

Output

Ignition
switch ON

• Lighting switch HI
• Lighting switch PASS

Battery voltage

Lighting switch OFF

0 V

90

(P)

Ground

Headlamp HI (LH)

Output

Ignition
switch ON

• Lighting switch HI
• Lighting switch PASS

Battery voltage

Lighting switch OFF

0 V

91

(P)

Ground

Parking lamp (RH)

Output

Ignition
switch ON

Lighting switch 1ST

Battery voltage

Lighting switch OFF

0 V

92

(O)

Ground

Parking lamp (LH)

Output

Ignition
switch ON

Lighting switch 1ST

Battery voltage

Lighting switch OFF

0 V

97

(V)

Ground

Cooling fan control

Output

Engine idling

0 – 5 V

104

(LG)

Ground

Hood switch

Input

Close the hood

Battery voltage

Open the hood

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

MWI

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

MWI-145

< ECU DIAGNOSIS >

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Wiring Diagram - IPDM E/R -

INFOID:0000000003777654

JCMWM1411GB