Infiniti FX35 / FX45. Manual - part 11

 

  Index      Infiniti     Infiniti FX35 / FX45 (S50) - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  9  10  11  12   ..

 

 

Infiniti FX35 / FX45. Manual - part 11

 

 

ACS-38

< SERVICE INFORMATION >

[ICC]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NO

>> GO TO 2.

2.

CHECK AT VEHICLE SPEED SENSOR

With “Data Monitor” of “ICC”, check “VHCL SPD AT” operates normally.
OK or NG

OK

>> 1.

Replace ICC unit.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NG

>> 1.

Perform self-diagnosis of TCM.

2.

After repairing or replacing applicable item, erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.

DTC 43 ABS/TCS/VDC CIRC

INFOID:0000000001328830

1.

PERFORM SELF-DIAGNOSIS OF ICC SYSTEM

1.

Perform self-diagnosis of ICC system.

2.

Check if “DTC 20 CAN COMM CIRCUIT” other than “DTC 43 ABS/TCS/VDC CIRC” is indicated in self-
diagnosis item in the display.

Is it indicated?

YES

>> 1.

Repair or replace applicable item.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NO

>> GO TO 2.

2.

PERFORM SELF-DIAGNOSIS OF ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

1.

Perform self-diagnosis of ABS actuator and electric unit (control unit). Refer to 

BRC-26, "Self-Diagnosis"

.

2.

Check if malfunction is indicated. 

Is malfunction indicated?

YES

>> 1.

Repair or replace applicable item.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NO

>> 1.

Replace ICC unit.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

DTC 45 BRAKE SW/STOP L SW

INFOID:0000000001328831

1.

CHECK CONNECTOR FOR ICC UNIT

1.

Turn ignition switch OFF.

2.

Disconnect ICC unit connector, and connect it securely again.

3.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.

Is malfunction indicated?

YES

>> GO TO 2.

NO

>>

Poor connector connection

1.

Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

2.

CHECK STOP LAMP SWITCH AND ICC BRAKE SWITCH

With “Data Monitor” of “ICC”, check if “STOP LAMP SW” and “BRAKE SW” are operated normally. 

OK or NG

OK

>> 1.

Replace ICC unit.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NG-1

>> “BRAKE SW” NG: GO TO 3.

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

ACS-39

< SERVICE INFORMATION >

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

N

O

P

NG-2

>> “STOP LAMP SW” NG: GO TO 5.

3.

CHECK BRAKE SWITCH INSTALLATION AND ADJUSTMENT

Check brake switch for proper installation, and adjust the switch if necessary. Refer to 

BR-5

.

OK or NG

OK

>> GO TO 4.

NG

>> After adjustment, erase DTC and perform ICC system running test. Then perform self-diagnosis

of ICC system again.

4.

CHECK ICC BRAKE SWITCH

Check ICC brake switch. Refer to 

ACS-64, "ICC Brake Switch and Stop Lamp Switch"

.

OK or NG

OK

>> 1.

Replace ICC unit.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

NG

>> 1.

Replace ICC brake switch.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

5.

CHECK STOP LAMP ILLUMINATION

Check stop lamp illumination.

OK or NG

OK

>> GO TO 6.

NG

>> 1.

Check stop lamp circuit.

2.

After repairing, erase DTC and perform ICC system running test. Then perform self-diagnosis
of ICC system again.

6.

CHECK ICC BRAKE HOLD RELAY

1.

Turn ignition switch OFF.

2.

Remove ICC brake hold relay.

3.

Check ICC brake hold relay. Refer to 

ACS-64, "ICC Brake Hold Relay"

OK or NG

OK

>> GO TO 7.

NG

>> 1.

Replace brake hold relay.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

7.

CHECK ICC BRAKE HOLD RELAY CIRCUIT

1.

Disconnect ICC unit connector and stop lamp switch connector.

2.

Check continuity between ICC unit harness connector and ICC
brake hold relay harness connector.

3.

Check continuity between ICC unit harness connector and
ground.

OK or NG

OK

>> GO TO 8.

NG

>> 1.

Repair harness between ICC unit and ICC brake hold relay.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

8.

CHECK STOP LAMP SWITCH CIRCUIT

ICC unit connector

Terminal

ICC brake hold relay 

connector

Terminal

Continuity

M89

38

E14

7

Yes

ICC unit connector

Terminal

Ground

Continuity

M89

38

No

PKIA9907E

ACS-40

< SERVICE INFORMATION >

[ICC]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

Check continuity between ICC unit harness connector and stop lamp
switch harness connector.

OK or NG

OK

>> 1.

Replace ICC unit.

2.

Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.

NG

>> 1.

Repair harness between ICC unit and stop lamp
switch.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

DTC 46 OPERATION SW CIRC

INFOID:0000000001328832

1.

CHECK CONNECTOR FOR ECM

1.

Turn ignition switch OFF.

2.

Disconnect ECM connector, and connect it securely again. 

3.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.

Is malfunction indicated?

YES

>> GO TO 2.

NO

>>

Poor connector connection

1.

Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

2.

CHECK ICC STEERING SWITCH

Check ICC steering switch. Refer to 

ACS-63, "ICC Steering Switch"

.

OK or NG

OK

>> GO TO 3.

NG

>> 1.

Replace ICC steering switch. 

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

3.

CHECK ICC STEERING SWITCH SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect ECM connector and spiral cable connector.

3.

Check continuity between spiral cable harness connector and
ECM harness connector. 

ICC unit connector

Terminal

Stop lamp switch 

connector

Terminal

Continuity

M89

38

E210

2

Yes

PKIB4163E

Spiral cable 

connector

Terminal

ECM connector

Terminal

Continuity

M15

33

M90

82

Yes

34

99

PKIB4164E

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

ACS-41

< SERVICE INFORMATION >

[ICC]

C

D

E

F

G

H

I

J

L

M

A

B

ACS

N

O

P

4.

Check continuity between spiral cable harness connector and
ground.

OK or NG

OK

>> GO TO 4.

NG

>> 1.

Repair harness between ECM and spiral cable.

2.

Erase DTC and perform ICC system running test.
Then perform self-diagnosis of ICC system again.

4.

CHECK SPIRAL CABLE

Check continuity between spiral cable connector terminals. 

OK or NG

OK

>> 1.

Perform self-diagnosis of ECM.

2.

After repairing or replacing applicable item, erase
DTC and perform ICC system running test. Then
perform self-diagnosis of ICC system again.

NG

>> 1.

Replace spiral cable.

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

DTC 61 PRESS SEN CIRCUIT

INFOID:0000000001328833

1.

CHECK CONNECTOR BRAKE PRESSURE SENSOR AND ICC UNIT

1.

Turn ignition switch OFF.

2.

Disconnect brake pressure sensor connector and ICC unit connector, and connect them securely again. 

3.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system again.

Is malfunction indicated?

YES

>> GO TO 2.

NO

>>

Poor connector connection

1.

Check connector. (Check connector housing for disconnected, loose, bent, and collapsed ter-
minals. If any malfunction is detected, repair applicable part.)

2.

Erase DTC and perform ICC system running test. Then perform self-diagnosis of ICC system
again.

2.

CHECK HARNESS BETWEEN BRAKE PRESSURE SENSOR AND ICC UNIT

1.

Turn ignition switch OFF.

2.

Disconnect ICC unit connector and brake pressure sensor con-
nector.

3.

Check continuity between brake pressure sensor harness con-
nector and ICC unit harness connector.

Spiral cable 

connector

Terminal

Ground

Continuity

M15

33

No

34

PKIB4165E

Spiral cable 

connector

Terminal

Spiral cable 

connector

Terminal

Continuity

M15

33

M203

14

Yes

34

15

PKIB4166E

Brake pressure 

sensor connector

Terminal

ICC unit 

connector

Terminal

Continuity

E142

1

M88

24

Yes

2

17

3

8

SKIA6652E

 

 

 

 

 

 

 

Content   ..  9  10  11  12   ..