Infiniti FX35, FX50 (S51). Manual - part 419

 

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Infiniti FX35, FX50 (S51). Manual - part 419

 

 

CCS-496

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

LDW SWITCH CIRCUIT

LDW SWITCH CIRCUIT

Component Function Check

INFOID:0000000005502114

1.

CHECK LDW SWITCH SIGNAL BY CONSULT-III

CONSULT-III DATA MONITOR

1.

Turn the ignition switch ON.

2.

Select “LDW SW” of “LANE CAMERA” data monitor item.

3.

With operating the LDW switch, check the monitor status.

Is the item status normal?

YES

>> LDW switch circuit is normal.

NO

>> Refer to 

CCS-496, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005502115

1.

CHECK LDW SWITCH SIGNAL INPUT

1.

Turn the ignition switch ON.

2.

With operating the LDW switch, check the voltage between the lane camera unit harness connector and
the ground.

Is the measurement value normal?

YES

>> Replace the lane camera unit.

NO

>> GO TO 2.

2.

CHECK LDW SWITCH

1.

Turn ignition switch OFF.

2.

Remove LDW switch.

3.

Check LDW switch. Refer to 

CCS-497, "Component Inspection"

.

Is the LDW switch normal?

YES

>> GO TO 3.

NO

>> Replace LDW switch.

3.

CHECK LDW SWITCH GROUND CIRCUIT

Check continuity between LDW switch harness connector terminal and the ground.

Does continuity exist?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK LDW SWITCH SIGNAL INPUT CIRCUIT FOR OPEN

1.

Disconnect the lane camera unit connector.

Monitor item

Condition

Monitor status

LDW SW

LDW switch

Pressed 

 Released

On 

 Off

Terminals

Condition

Voltage

(Approx.)

(+)

(

)

Lane camera unit

Ground

LDW switch

Connector

Terminal

R8

9

Pressed

0 V

Released

5 V

LDW switch 

Ground

Continuity

Connector

Terminal

M29

6

Existed

CCS

LDW SWITCH CIRCUIT

CCS-497

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

2.

Check continuity between the lane camera unit harness connector and LDW switch harness connector.

Does continuity exist?

YES

>> GO TO 5.

NO

>> Repair the harnesses or connectors.

5.

CHECK LDW SWITCH SIGNAL INPUT CIRCUIT FOR SHORT

Check continuity between the lane camera unit harness connector and ground.

Does continuity exist?

YES

>> Repair the harnesses or connectors.

NO

>> Replace the lane camera unit.

Component Inspection

INFOID:0000000005502116

1.

CHECK LDW SWITCH

Check continuity of LDW switch.

Is the check result normal?

YES

>> LDW switch is normal.

NO

>> Replace LDW switch.

Lane camera unit

LDW switch

Continuity

Connector

Terminal

Connector

Terminal

R8

9

M29

7

Existed

Lane camera unit

Ground

Continuity

Connector

Terminal

R8

9

Not existed

LDW switch

Condition

Continuity

Terminal

LDW switch

6

7

Pressed

Existed

Released

Not existed

CCS-498

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

LDW ON INDICATOR CIRCUIT

LDW ON INDICATOR CIRCUIT

Component Function Check

INFOID:0000000005502117

1.

CHECK LDW ON INDICATOR BY CONSULT-III

CONSULT-III ACTIVE TEST

1.

Turn the ignition switch ON.

2.

Select “LDW ON IND” of “LANE CAMERA” active test item.

3.

With operating the test item, check the operation.

Does the LDW ON indicator illuminate?

YES

>> LDW ON indicator circuit is normal.

NO

>> Refer to 

CCS-498, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005502118

1.

CHECK LDW ON INDICATOR POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect LDW switch connector.

3.

Turn ignition switch ON.

4.

Check voltage between LDW switch harness connector and ground.

Is the measurement value normal?

YES

>> GO TO 2.

NO

>> Check harness between fuse and LDW switch.

2.

CHECK LDW ON INDICATOR SIGNAL FOR OPEN

1.

Turn ignition switch OFF.

2.

Disconnect the lane camera unit harness connector.

3.

Check continuity between the lane camera unit harness connector and LDW switch harness connector.

Does continuity exist?

YES

>> GO TO 3.

NO

>> Repair the harnesses or connectors.

3.

CHECK LDW ON INDICATOR SIGNAL CIRCUIT FOR SHORT

Check continuity between the lane camera unit harness connector and ground.

Does continuity exist?

On

: LDW ON indicator illuminates.

Off

: LDW ON indicator is turned OFF.

Terminals

Voltage

(Approx.)

(+)

(

)

LDW switch

Ground

Connector

Terminal

M29

3

Battery voltage

Lane camera unit

LDW switch

Continuity

Connector

Terminal

Connector

Terminal

R8

4

M29

2

Existed

Lane camera unit

Ground

Continuity

Connector

Terminal

R8

4

Not existed

CCS

LDW ON INDICATOR CIRCUIT

CCS-499

< DTC/CIRCUIT DIAGNOSIS >

[LDW & LDP]

C

D

E

F

G

H

I

J

K

L

M

B

N

P

A

YES

>> Repair the harnesses or connectors.

NO

>> GO TO 4.

4.

CHECK LDW ON INDICATOR

1.

Connect LDW switch connector.

2.

Turn ignition switch ON.

3.

Apply ground to LDW switch terminal 2.

4.

Check condition of the LDW ON indicator.

Does LDW ON indicator illuminate?

YES

>> Replace the lane camera unit.

NO

>> Replace LDW switch.

 

 

 

 

 

 

 

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