Infiniti FX35, FX50 (S51). Manual - part 350

 

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Infiniti FX35, FX50 (S51). Manual - part 350

 

 

CCS-220

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C1A05 BRAKE SW/STOP LAMP SW

5.

CHECK ICC BRAKE HOLD RELAY

1.

Remove ICC brake hold relay. 

2.

Check for continuity between ICC brake hold relay terminals. 

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace ICC brake hold relay. 

6.

CHECK HARNESS BETWEEN ICC BRAKE HOLD RELAY AND ICC BRAKE SWITCH

1.

Check for continuity between ICC brake hold relay harness connector and ICC brake switch harness con-
nector. 

2.

Check for continuity between ICC brake hold relay harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Repair the harnesses or connectors.

7.

CHECK HARNESS BETWEEN ECM AND ICC BRAKE SWITCH

1.

Disconnect ECM connector. 

2.

Check for continuity between the ECM harness connector and ICC brake switch harness connector. 

VQ35HR

VK50VE

3.

Check for continuity between ECM harness connector and ground.

VQ35HR

VK50VE

Is the inspection result normal?

ICC brake hold relay

Continuity

Terminal

3

4

Existed

ICC brake hold relay

ICC brake switch

Continuity

Connector

Terminal

Connector

Terminal

E91

4

E114

1

Existed

ICC brake hold relay

Ground

Continuity

Connector

Terminal

E91

4

Not existed

ECM

ICC brake switch

Continuity

Connector

Terminal

Connector

Terminal

M107

126

E114

2

Existed

ECM

ICC brake switch

Continuity

Connector

Terminal

Connector

Terminal

M160

117

E114

2

Existed

ECM

Ground

Continuity

Connector

Terminal

M107

126

Not existed

ECM

Ground

Continuity

Connector

Terminal

M160

117

Not existed

CCS

C1A05 BRAKE SW/STOP LAMP SW

CCS-221

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

YES

>> GO TO 12.

NO

>> Repair the harnesses or connectors.

8.

CHECK STOP LAMP FOR ILLUMINATION

Check the stop lamp for illumination. 

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair the stop lamp circuit. 

9.

CHECK ICC BRAKE HOLD RELAY

1.

Turn ignition switch OFF.

2.

Remove ICC brake hold relay. 

3.

Check for continuity between ICC brake hold relay terminals. 

Is the inspection result normal?

YES

>> GO TO 10.

NO

>> Replace ICC brake hold relay. 

10.

CHECK HARNESS BETWEEN ECM AND ICC BRAKE HOLD RELAY

1.

Disconnect ECM, rear combination lamp, and high-mounted stop lamp connectors. 

2.

Check for continuity between the ECM harness connector and ICC brake hold relay harness connector. 

VQ35HR

VK50VE

3.

Check for continuity between ECM harness connector and ground. 

VQ35HR

VK50VE

Is the inspection result normal?

YES

>> GO TO 11.

NO

>> Repair the harnesses or connectors.

11.

CHECK HARNESS BETWEEN BRAKE BOOSTER CONTROL UNIT AND ICC BRAKE HOLD RELAY

1.

Disconnect brake booster control unit connector. 

2.

Check for continuity between the brake booster control unit harness connector and brake hold relay har-
ness connector. 

ICC brake hold relay

Continuity

Terminal

3

4

Existed

7

6

Not  existed

ECM

ICC brake hold relay

Continuity

Connector

Terminal

Connector

Terminal

M107

122

E91

6

Existed

ECM

ICC brake hold relay

Continuity

Connector

Terminal

Connector

Terminal

M160

110

E91

6

Existed

ECM

Ground

Continuity

Connector

Terminal

M107

122

Not existed

ECM

Ground

Continuity

Connector

Terminal

M160

110

Not existed

CCS-222

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C1A05 BRAKE SW/STOP LAMP SW

3.

Check for continuity between brake booster control unit harness connector and ground. 

Is the inspection result normal?

YES

>> GO TO 12.

NO

>> Repair the harnesses or connectors.

12.

PERFORM SELF-DIAGNOSIS OF ECM

1.

Connect all connectors again if the connectors are disconnected. 

2.

Turn ignition switch ON.

3.

Perform “All DTC Reading”. 

4.

Check if any DTC is detected in “Self Diagnostic Result” of “ENGINE”. Refer to 

EC-541, "DTC Index"

(VQ35HR) or 

EC-1179, "DTC Index"

 (VK50VE). 

Is any DTC detected?

YES

>> Repair or replace the malfunctioning parts identified by the self-diagnosis result. 

NO

>> GO TO 13.

13.

CHECK ICC BRAKE HOLD RELAY DRIVE SIGNAL OUTPUT

1.

Select the active test item “STOP LAMP” of “ICC”. 

2.

Check if “STP LMP DRIVE” is turned ON when operating the test item. 

Is the inspection result normal?

YES

>> Replace brake booster control unit. 

NO

>> Replace ICC sensor integrated unit. Refer to 

CCS-380, "Exploded View"

. 

Component Inspection (ICC Brake Switch)

INFOID:0000000005501804

1.

CHECK ICC BRAKE SWITCH

Check for continuity between ICC brake switch terminals. 

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace ICC brake switch. 

Component Inspection (Stop Lamp Switch)

INFOID:0000000005501805

1.

CHECK STOP LAMP SWITCH

Check for continuity between stop lamp switch terminals. 

Is the inspection result normal?

Brake booster control unit

ICC brake hold relay

Continuity

Connector

Terminal

Connector

Terminal

B249

47

E91

1

Existed

Brake booster control unit

Ground

Continuity

Connector

Terminal

B249

47

Not existed

Terminal

Condition

Continuity

1

2

When brake pedal is depressed

Not exist-

ed

When brake pedal is released

Existed

Terminal

Condition

Continuity

1

2

When brake pedal is depressed

Existed

When brake pedal is released

Not exist-

ed

CCS

C1A05 BRAKE SW/STOP LAMP SW

CCS-223

< DTC/CIRCUIT DIAGNOSIS >

[DCA]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

YES

>> INSPECTION END

NO

>> Replace stop lamp switch. 

Special Repair Requirement

INFOID:0000000005501806

DESCRIPTION

Perform the action test after adjusting the laser beam aiming of ICC sensor integrated unit when the following
operation is performed. 
• Removal and installation of ICC sensor integrated unit
• Replacement of ICC sensor integrated unit

SPECIAL REPAIR REQUIREMENT

1.

LASER BEAM AIMING ADJUSTMENT OF ICC SENSOR INTEGRATED UNIT

Adjust the laser beam aiming of the ICC sensor integrated unit. Refer to 

CCS-13, "LASER BEAM AIMING

ADJUSTMENT : Description"

. 

>> GO TO 2.

2.

CHECK DCA SYSTEM

1.

Erase the “self-diagnosis results”, and then perform “All DTC Reading” again after performing the action
test. (Refer to 

CCS-191, "ACTION TEST : Description"

 for action test.)

2.

Check that the DCA system is normal. 

>> WORK END

 

 

 

 

 

 

 

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