Infiniti FX35, FX50 (S51). Manual - part 1348

 

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Infiniti FX35, FX50 (S51). Manual - part 1348

 

 

LAN-334

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 10)]

AFS BRANCH LINE CIRCUIT

AFS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000005577251

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

AFS control unit

-

CAN gateway

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of CAN gateway.

2.

Check the continuity between the CAN gateway harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2).

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of CAN gateway.

2.

Disconnect the connector of AFS control unit.

3.

Check the resistance between the AFS control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the AFS control unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AFS control unit. Refer to 

EXL-64, "AFS CONTROL

UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the AFS control unit. Refer to 

EXL-237, "Exploded View"

.

YES (Past error)>>Error was detected in the AFS control unit branch line.
NO

>> Repair the power supply and the ground circuit.

CAN gateway harness connector

Continuity

Connector No.

Terminal No.

M125

6

4

Existed

12

10

Existed

AFS control unit harness connector

Resistance (

)

Connector No.

Terminal No.

M16

30

7

Approx. 54 – 66

LAN

ICC BRANCH LINE CIRCUIT

LAN-335

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 10)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ICC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000005577252

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

ICC sensor integrated unit

-

Harness connector E106

-

Harness connector M6

-

CAN gateway

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of CAN gateway.

2.

Check the continuity between the CAN gateway harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2).

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of CAN gateway.

2.

Disconnect the connector of ICC sensor integrated unit.

3.

Check the resistance between the ICC sensor integrated unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the ICC sensor integrated unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ICC sensor integrated unit. Refer to 

CCS-140, "ICC

SENSOR INTEGRATED UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the ICC sensor integrated unit. Refer to 

CCS-184, "Exploded View"

.

YES (Past error)>>Error was detected in the ICC sensor integrated unit branch line.
NO

>> Repair the power supply and the ground circuit.

CAN gateway harness connector

Continuity

Connector No.

Terminal No.

M125

6

4

Existed

12

10

Existed

ICC sensor integrated unit harness connector

Resistance (

)

Connector No.

Terminal No.

E67

3

6

Approx. 54 – 66

LAN-336

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 10)]

LANE BRANCH LINE CIRCUIT

LANE BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000005577253

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Lane camera unit

-

Harness connector R7

-

Harness connector M110

-

CAN gateway

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of CAN gateway.

2.

Check the continuity between the CAN gateway harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2).

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of CAN gateway.

2.

Disconnect the connector of lane camera unit.

3.

Check the resistance between the lane camera unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the lane camera unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the lane camera unit. Refer to 

CCS-495, "LANE CAMERA

UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the lane camera unit. Refer to 

CCS-536, "Exploded View"

.

YES (Past error)>>Error was detected in the lane camera unit branch line.
NO

>> Repair the power supply and the ground circuit.

CAN gateway harness connector

Continuity

Connector No.

Terminal No.

M125

6

4

Existed

12

10

Existed

Lane camera unit harness connector

Resistance (

)

Connector No.

Terminal No.

R8

10

5

Approx. 54 – 66

LAN

PSB BRANCH LINE CIRCUIT

LAN-337

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 10)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

PSB BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000005577254

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Pre-crash seat belt control unit

-

Harness connector B1

-

Harness connector M7

-

CAN gateway

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of CAN gateway.

2.

Check the continuity between the CAN gateway harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2).

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of CAN gateway.

2.

Disconnect the connector of pre-crash seat belt control unit.

3.

Check the resistance between the pre-crash seat belt control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the pre-crash seat belt control unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the pre-crash seat belt control unit. Refer to 

SBC-35, "Diag-

nosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the pre-crash seat belt control unit. Refer to 

SBC-73, "Exploded View"

.

YES (Past error)>>Error was detected in the pre-crash seat belt control unit branch line.
NO

>> Repair the power supply and the ground circuit.

CAN gateway harness connector

Continuity

Connector No.

Terminal No.

M125

6

4

Existed

12

10

Existed

Pre-crash seat belt control unit harness connector

Resistance (

)

Connector No.

Terminal No.

B9

14

4

Approx. 54 – 66

 

 

 

 

 

 

 

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