Infiniti G37 Coupe. Manual - part 853

 

  Index      Infiniti     Infiniti G37 Coupe - service repair manual 2008 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  851  852  853  854   ..

 

 

Infiniti G37 Coupe. Manual - part 853

 

 

LAN

ADP BRANCH LINE CIRCUIT

LAN-85

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 2)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ADP BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001679430

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).

-

Models with automatic drive positioner

Driver seat control unit

Harness connector B502

Harness connector B11

-

Models without automatic drive positioner

Driver seat control unit

Harness connector B501

Harness connector B10

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of driver seat control unit.

2.

Check the resistance between the driver seat control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the driver seat control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

ADP-63, "DRIVER SEAT

CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

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

ADP-236, "Exploded View"

.

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

>> Repair the power supply and the ground circuit.

Driver seat control unit harness connector

Resistance (

)

Connector No.

Terminal No.

B503

3

19

Approx. 54 – 66

LAN-86

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 2)]

RAS BRANCH LINE CIRCUIT

RAS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001679431

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the 4WAS main control unit for damage, bend and loose connec-
tion (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of 4WAS main control unit.

2.

Check the resistance between the 4WAS main control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the 4WAS main control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the 4WAS main control unit. Refer to 

STC-134, "Diagnosis

Procedure (4WAS Main Control Unit)"

.

Is the inspection result normal?

YES (Present error)>>Replace the 4WAS main control unit. Refer to 

STC-178, "Exploded View"

.

YES (Past error)>>Error was detected in the 4WAS main control unit branch line.
NO

>> Repair the power supply and the ground circuit.

4WAS main control unit harness connector

Resistance (

)

Connector No.

Terminal No.

B54

1

8

Approx. 54 – 66

LAN

ABS BRANCH LINE CIRCUIT

LAN-87

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 2)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ABS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001679432

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the ABS actuator and electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of ABS actuator and electric unit (control unit).

2.

Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ABS actuator and electric unit (control unit) branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to

BRC-37, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the ABS actuator and electric unit (control unit). Refer to 

BRC-102, "Exploded

View"

.

YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO

>> Repair the power supply and the ground circuit.

ABS actuator and electric unit (control unit) harness connector

Resistance (

)

Connector No.

Terminal No.

E41

35

14

Approx. 54 – 66

LAN-88

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 2)]

IPDM-E BRANCH LINE CIRCUIT

IPDM-E BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001679434

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the IPDM E/R for damage, bend and loose connection (unit side
and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of IPDM E/R.

2.

Check the resistance between the IPDM E/R harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the IPDM E/R branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the IPDM E/R. Refer to 

PCS-19, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the IPDM E/R. Refer to 

PCS-34, "Exploded View"

.

YES (Past error)>>Error was detected in the IPDM E/R branch line.
NO

>> Repair the power supply and the ground circuit.

IPDM E/R harness connector

Resistance (

)

Connector No.

Terminal No.

E6

40

39

Approx. 108 – 132

 

 

 

 

 

 

 

Content   ..  851  852  853  854   ..