Infiniti G35 (V35) Sedan. Manual — part 1204

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

SEC-171

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

ST RLY CONT

Ignition switch ON

Off

At engine cranking

On

IHBT RLY -REQ

Ignition switch ON

Off

At engine cranking

On

ST/INHI RLY

Ignition switch ON

Off

At engine cranking

ST

→

INHI

The status of starter relay or starter control relay cannot be recognized by
the battery voltage malfunction, etc. when the starter relay is ON and the
starter control relay is OFF

UNKWN

DETENT SW

Ignition switch ON

• Press the selector button with A/

T selector lever in P position

• A/T selector lever in any position

other than P

Off

Release the A/T selector button with A/T selector lever in P position
NOTE:
The lever is fixed ON for M/T

On

S/L RLY -REQ

None of the conditions below are present

Off

• Open the driver door after the ignition switch is turned OFF (for a few

seconds)

• Press the push-button ignition switch when the steering lock is activat-

ed

• Depress the clutch pedal when the steering lock is activated

On

S/L STATE

Steering lock is activated

LOCK

Steering lock is deactivated

UNLK

[DTC B210A] is detected

UNKWN

DTRL REQ

NOTE:
The item is indicated, but not monitored.

Off

OIL P SW

Ignition switch OFF, ACC or engine running

Open

Ignition switch ON

Close

HOOD SW

Close the hood

Off

Open the hood

On

HL WASHER REQ

NOTE:
The item is indicated, but not monitored.

Off

THFT HRN REQ

Not operation

Off

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

TEM

On

HORN CHIRP

Not operating

Off

Door locking with Intelligent Key (horn chirp mode)

On

CRNRNG LMP REQ

NOTE:
The item is indicated, but not monitored.

Off

Monitor Item

Condition

Value/Status

SEC-172

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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

TERMINAL LAYOUT

PHYSICAL VALUES

JSMIA0001ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

1

(W)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

2

(L)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

4

(V)

Ground

Front wiper LO

Output

Ignition
switch ON

Front wiper switch OFF

0 V

Front wiper switch LO

Battery voltage

5

(L)

Ground

Front wiper HI

Output

Ignition
switch ON

Front wiper switch OFF

0 V

Front wiper switch HI

Battery voltage

7

(R)

Ground

Tail, license plate lamps &
interior lamps

Output

Ignition
switch ON

Lighting switch OFF

0 V

Lighting switch 1ST

Battery voltage

11

(BR)

Ground

Steering lock unit power
supply

Output

Ignition
switch
OFF

A few seconds after open-
ing the driver door

Battery voltage

Ignition
switch
LOCK

Press the push-button ig-
nition switch

Battery voltage

Ignition switch ACC or ON

0 V

12

(B/W)

Ground

Ground

—

Ignition switch ON

0 V

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

SEC-173

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

C

D

E

F

G

H

I

J

L

M

A

B

SEC

N

O

P

13

(Y)

Ground

Fuel pump power supply

Output

Approximately 1 second or more after
turning the ignition switch ON

0 V

• Approximately 1 second after turning

the ignition switch ON

• Engine running

Battery voltage

16

(LG)

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

19

(W)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

25

(G)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

26*

1

(R)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

27

(O)

Ground

Ignition relay monitor

Input

Ignition switch OFF or ACC

Battery voltage

Ignition switch ON

0 V

28

(L)

Ground

Push-button ignition
switch

Input

Press the push-button ignition switch

0 V

Release the push-button ignition switch

Battery voltage

30

(GR)

Ground

Starter relay control

Input

A/T mod-
els

A/T selector lever in any
position other than P or N
(ignition switch ON)

0 V

A/T selector lever P or N
(ignition switch ON)

Battery voltage

M/T mod-
els

Release the clutch pedal

0 V

Depress the clutch pedal

Battery voltage

32

(L)

Ground

Steering lock unit condi-
tion-1

Input

Steering lock is activated

0 V

Steering lock is deactivated

Battery voltage

33

(P)

Ground

Steering lock unit condi-
tion-2

Input

Steering lock is activated

Battery voltage

Steering lock is deactivated

0 V

36

(G)

Ground

Battery power supply

Input

Ignition switch OFF

Battery voltage

39

(P)

—

CAN - L

Input/

Output

—

—

40

(L)

—

CAN - H

Input/

Output

—

—

41

(B/W)

Ground

Ground

—

Ignition switch ON

0 V

42

(Y)

Ground

Cooling fan relay control

Input

Ignition switch OFF or ACC

0 V

Ignition switch ON

0.7 V

43

(SB)

Ground

A/T device
(Detention switch)

Input

Ignition
switch ON

Press the A/T selector but-
ton (A/T selector lever P)

Battery voltage

• A/T selector lever in any

position other than P

• Release the A/T selec-

tor button (A/T selector
lever P)

0 V

44

(W)

Ground

Horn relay control

Input

The horn is deactivated

Battery voltage

The horn is activated

0 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−

SEC-174

< ECU DIAGNOSIS >

[INTELLIGENT KEY SYSTEM]

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

45

(G)

Ground

Anti theft horn relay control

Input

The horn is deactivated

Battery voltage

The horn is activated

0 V

46

(BR)

Ground

Starter relay control

Input

A/T mod-
els

A/T selector lever in any
position other than P or N
(ignition switch ON)

0 V

A/T selector lever P or N
(ignition switch ON)

Battery voltage

M/T mod-
els

Release the clutch pedal

0 V

Depress the clutch pedal

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
(For a few seconds after turning ignition
switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(More than a few seconds after turn-
ing ignition 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
(For a few seconds after turning ignition
switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(More than a few seconds after turn-
ing ignition switch OFF)

Battery voltage

54

(R)

Ground

Throttle control motor re-
lay power supply

Output

Ignition switch OFF
(For a few seconds after turning ignition
switch OFF)

0 V

• Ignition switch ON
• Ignition switch OFF

(More than a few seconds after turn-
ing ignition 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

(R)

Ground

Ignition relay power supply

Output

Ignition switch OFF

0 V

Ignition switch ON

Battery voltage

58

(Y)

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
(For a few seconds after turning ignition
switch OFF)

Battery voltage

• Ignition switch ON
• Ignition switch OFF

(More than a few seconds after turn-
ing ignition switch OFF)

0 - 1.5 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

Signal name

Input/

Output

+

−