Infiniti FX35, FX50 (S51). Manual — part 381

CCS-344

< ECU DIAGNOSIS INFORMATION >

[DCA]

BRAKE BOOSTER CONTROL UNIT

BRAKE BOOSTER CONTROL UNIT

Reference Value

INFOID:0000000005501997

TERMINAL LAYOUT

PHYSICAL VALUES

JPOIA0106ZZ

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

1

(W)

Ground

Battery power supply

—

Ignition

switch

OFF

—

Battery voltage

2

(W)

Battery power supply

—

Ignition

switch

OFF

—

Battery voltage

5

(P)

ITS communication-L

Input/

Output

—

—

—

6

(SB)

Release switch power
supply

—

Ignition

switch ON

—

10 V

8

(R)

24

(O)

Brake pressure sensor
power supply

—

Ignition

switch ON

—

5 V

10

(G)

Ground

Booster solenoid pow-
er supply

—

Ignition

switch ON

—

12 V

12

(R)

Booster solenoid
ground

Output

Ignition

switch ON

At “BOOSTER SOL/V ” test
of “Active test”

14

(L)

ITS communication-H

Input/

Output

—

—

—

15

(V)

Release switch (nor-
mal close)

—

Ignition

switch ON

Press the brake pedal

0 V

Brake pedal not depressed

10 V

17

(G)

24

(O)

Brake pressure sensor
signal

Input

Ignition

switch ON

Brake pedal not depressed

0.5 V

Press the brake pedal

0.5 - 3.5 V

Note: The harder the brake is

pressed, the higher the voltage.

PKIB1763J

CCS

BRAKE BOOSTER CONTROL UNIT

CCS-345

< ECU DIAGNOSIS INFORMATION >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

19

(B)

Ground

Ground

—

Ignition

switch ON

—

0 V

20

(B)

Ground

—

Ignition

switch ON

—

0 V

21

(GR)

ICC warning chime
signal

Output

Ignition

switch ON

ICC warning chime not oper-
ating

12 V

ICC warning chime opera-
tion

0 V

22

(BR)

Release switch
(normal open)

Input

Ignition

switch ON

Brake pedal depressed

10 V

Brake pedal not depressed

0 V

24

(O)

Brake pressure sensor
ground

—

—

—

—

33

(G)

Ignition power supply

—

Ignition

switch ON

—

Battery voltage

40

(SB)

IBA OFF switch

Input

Ignition

switch ON

IBA OFF switch pressed

0 V

IBA OFF switch not pressed

12 V

42

(G)

Ignition power supply

—

Ignition

switch ON

—

Battery voltage

46

(B)

Ground

—

Ignition

switch ON

—

0 V

47

(LG)

ICC brake hold relay
drive signal

Output

Ignition
switch ON

—

0 V

At “STOP LAMP” test of “Ac-
tive test”

12 V

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

−

Signal name

Input/

Output

CCS-346

< ECU DIAGNOSIS INFORMATION >

[DCA]

ACCELERATOR PEDAL ACTUATOR

ACCELERATOR PEDAL ACTUATOR

Reference Value

INFOID:0000000005501998

VALUES ON THE DIAGNOSIS TOOL

TERMINAL LAYOUT

PHYSICAL VALUES

Monitor item

Condition

Value/Status

TGT FBK FRC

Drive the vehicle and
operate the DCA sys-
tem

When the ICC sensor integrated unit is
controlling the accelerator pedal actua-
tor

It changes with the demand from

the ICC sensor integrated unit.

TGT MOT POSI

NOTE:
The item is indicated, but not used.

—

ACT MOT POSI

Engine running

Depress accelerator pedal

It changes according to the de-

pressed amount of accelerator

pedal

AP OPEN

Engine running

Depress accelerator pedal

It changes according to the de-

pressed amount of accelerator

pedal

APA TEMP

Engine running

Display the accelerator pedal ac-
tuator integrated motor tempera-

ture

APA CURRENT

Drive the vehicle and
operate the DCA sys-
tem

When the ICC sensor integrated unit is
controlling the accelerator pedal actua-
tor

Display the accelerator pedal ac-
tuator motor operation consump-

tion current

APA PWR

Ignition switch ON

Battery voltage

APA OPE STATS

Engine running

When the accelerator pedal actuator
control is permitted

On

When the accelerator pedal actuator
control is invalid

Off

APA STATS

Engine running

When the accelerator pedal actuator is
normal

Ready

When the accelerator pedal actuator is
temporarily malfunctioning

TP NG

When the accelerator pedal actuator is
malfunctioning

NG

During the accelerator pedal actuator
operation preparations

Init

JPOIA0104ZZ

CCS

ACCELERATOR PEDAL ACTUATOR

CCS-347

< ECU DIAGNOSIS INFORMATION >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

Terminal No.

(Wire color)

Description

Condition

Value

(Approx.)

+

–

Signal name

Input/

Output

1

(R)

Ground

Ignition power supply

Input

Ignition switch ON

Battery voltage

2

(O)

Battery power supply

Input

Ignition switch OFF

Battery voltage

3

(P)

ITS communication-L

Input/

Output

—

—

4

(B)

Ground

—

Ignition switch ON

0 V

5

(L)

ITS communication-H

Input/

Output

—

—