Infiniti FX35, FX50 (S51). Manual - part 1609

 

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Infiniti FX35, FX50 (S51). Manual - part 1609

 

 

C1D09 BRAKE FLUID PRESSURE SIGNAL

SCS-21

< DTC/CIRCUIT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

SCS

N

O

P

Is another DTC detected?

YES

>> Check the detected DTC items. Refer to 

SCS-58, "DTC Index"

NO

>> GO TO 3.

3.

CHECK INFORMATION

With CONSULT-III

1.

Select “DATA MONITOR” of “E-SUS”.

2.

Check “BRK FLD PRESS” of “DATA MONITOR” screen. Refer to 

SCS-49, "Reference Value"

Is each data within standard values?

YES

>> Check pin terminal and connection of each harness connector for damage or loose connections.

Repair or replace error-detected parts. 

NO

>> Replace E-SUS control unit. Refer to 

SCS-61, "Exploded View"

SCS-22

< DTC/CIRCUIT DIAGNOSIS >

C1D0B FRONT WHEEL VERTICAL G SENSOR

C1D0B FRONT WHEEL VERTICAL G SENSOR

Description

INFOID:0000000005588921

Detects the vertical G applied at vehicle front, and outputs it to E-SUS control unit in analog voltage. 

DTC Logic

INFOID:0000000005588922

DTC DETECTION LOGIC

DTC REPRODUCTION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT-III

1.

Turn the ignition switch OFF to ON.

2.

Perform “E-SUS” self-diagnosis.

Is DTC “C1D0B” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

SCS-22, "Diagnosis Procedure"

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005588923

1.

CHECK FRONT LH WHEEL VERTICAL G SENSOR

Check front LH wheel vertical G sensor for damage, disconnection or looseness.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace front LH wheel vertical sensor. Then perform the self-diagnosis.

2.

CHECK FRONT LH WHEEL VERTICAL G SENSOR HARNESS

1.

Disconnect the E-SUS control unit harness connector and front LH wheel vertical G sensor harness con-
nector. 

2.

Check the continuity between the E-SUS control unit harness connector and front LH wheel vertical G
sensor harness connector. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning harness or connector. 

3.

CHECK FRONT LH WHEEL VERTICAL G SENSOR POWER SUPPLY CIRCUIT

1.

Connect the E-SUS control unit harness connector. 

2.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

3.

Check the voltage between front LH wheel vertical G sensor harness connector.

DTC

Display Item

Malfunction detected condition

Possible causes

C1D0B

FL WHL VER G-SEN

• A malfunction occurs in the output voltage from 

the front LH wheel vertical G sensor. 

• A malfunction occurs in the supply voltage to the 

front LH wheel vertical G sensor. 

• Harness or connector
• Front wheel LH verti-

cal G sensor

• E-SUS control unit

E-SUS control unit

Front LH wheel vertical G sensor

Continuity

Connector

Terminal

Connector

Terminal

B38

27

E86

1

Existed

10

2

26

3

C1D0B FRONT WHEEL VERTICAL G SENSOR

SCS-23

< DTC/CIRCUIT DIAGNOSIS >

C

D

F

G

H

I

J

K

L

M

A

B

SCS

N

O

P

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace E-SUS control unit. Refer to 

SCS-61, "Exploded View"

.

4.

PERFORM DATA MONITOR

With CONSULT-III

1.

Connect the front LH wheel vertical G sensor harness connector. 

2.

Start the engine.

3.

Select “DATA MONITOR” of “E-SUS”.

4.

Select “FL WHL G-SEN VOL” and “G-SEN VOL” of “DATA MONITOR”. 

5.

Drive the vehicle and check whether it is within the following range. 

Is the inspection result normal?

YES

>> Check pin terminal and connection of each harness connector for damage or loose connections.

NO

>> Replace front LH wheel vertical G sensor. Refer to 

SCS-63, "Exploded View"

Front LH wheel vertical G sensor

Voltage

Connector

Terminal

E86

1

3

Approx. 4.75 – 5.25 V

FL WHL G-SEN VOL

: Approx. 0.5 – 4.5 V

G-SEN VOL

: Approx. 4.75 – 5.25 V

SCS-24

< DTC/CIRCUIT DIAGNOSIS >

C1D0C FRONT WHEEL VERTICAL G SENSOR

C1D0C FRONT WHEEL VERTICAL G SENSOR

Description

INFOID:0000000005588924

Detects the vertical G applied at vehicle front, and outputs it to E-SUS control unit in analog voltage. 

DTC Logic

INFOID:0000000005588925

DTC DETECTION LOGIC

DTC REPRODUCTION PROCEDURE

1.

DTC REPRODUCTION PROCEDURE

With CONSULT-III

1.

Turn the ignition switch OFF to ON.

2.

Perform “E-SUS” self-diagnosis.

Is DTC “C1D0C” detected?

YES

>> Proceed to diagnosis procedure. Refer to 

SCS-24, "Diagnosis Procedure"

NO

>> INSPECTION END

Diagnosis Procedure

INFOID:0000000005588926

1.

CHECK FRONT RH WHEEL VERTICAL G SENSOR

Check front RH wheel vertical G sensor for damage, disconnection or looseness.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace front RH wheel vertical sensor. Then perform the self-diagnosis.

2.

CHECK FRONT RH WHEEL VERTICAL G SENSOR HARNESS

1.

Disconnect the E-SUS control unit harness connector and front RH wheel vertical G sensor harness con-
nector. 

2.

Check the continuity between the E-SUS control unit harness connector and front RH wheel vertical G
sensor harness connector. 

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace the malfunctioning harness or connector. 

3.

CHECK FRONT RH WHEEL VERTICAL G SENSOR POWER SUPPLY CIRCUIT

1.

Connect the E-SUS control unit harness connector. 

2.

Turn the ignition switch ON.

CAUTION:

Never start the engine.

3.

Check the voltage between front RH wheel vertical G sensor harness connector.

DTC

Display Item

Malfunction detected condition

Possible causes

C1D0C

FR WHL VER G-SEN

• A malfunction occurs in the output voltage from 

the front RH wheel vertical G sensor. 

• A malfunction occurs in the supply voltage to the 

front RH wheel vertical G sensor. 

• Harness or connector
• Front RH wheel verti-

cal G sensor

• E-SUS control unit

E-SUS control unit

Front RH wheel vertical G sensor

Continuity

Connector

Terminal

Connector

Terminal

B38

27

E84

1

Existed

24

2

26

3

 

 

 

 

 

 

 

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