Infiniti EX35. Manual - part 1001

 

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Infiniti EX35. Manual - part 1001

 

 

LAN

MAIN LINE BETWEEN AV AND DLC CIRCUIT

LAN-63

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

COMPONENT DIAGNOSIS

MAIN LINE BETWEEN AV AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000003515374

INSPECTION PROCEDURE

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

AV control unit

4.

Check the continuity between the AV control unit harness connector and the data link connector.

-

Models with NAVI

-

Models without NAVI

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the AV control unit and the data link connec-

tor. 

NO

>> Repair the main line between the AV control unit and the data link connector.

AV control unit harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M87

52

M24

6

Existed

53

14

Existed

AV control unit harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M85

86

M24

6

Existed

87

14

Existed

LAN-64

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 1)]

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

MAIN LINE BETWEEN DLC AND TCM CIRCUIT

Diagnosis Procedure

INFOID:0000000003515376

INSPECTION PROCEDURE

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

Harness connectors M116 and F103

4.

Check the continuity between the data link connector and the harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the data link connector and the TCM. 
NO

>> Repair the main line between the data link connector and the harness connector M116.

Data link connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M24

6

M116

44

Existed

14

43

Existed

LAN

MAIN LINE BETWEEN TCM AND ABS CIRCUIT

LAN-65

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 1)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN TCM AND ABS CIRCUIT

Diagnosis Procedure

INFOID:0000000003515377

INSPECTION PROCEDURE

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 (connector side
and harness side).

-

Harness connector M6

-

Harness connector E106

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

Harness connectors F103 and M116

-

Harness connectors M6 and E106

2.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the harness connectors M116 and M6.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

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

2.

Check the continuity between the harness connector and the ABS actuator and electric unit (control unit)
harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the TCM and the ABS actuator and electric

unit (control unit). 

NO

>> Repair the main line between the harness connector E106 and the ABS actuator and electric unit

(control unit).

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M116

44

M6

82

Existed

43

81

Existed

Harness connector

ABS actuator and electric unit (control unit)

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E106

82

E41

35

Existed

81

14

Existed

LAN-66

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 1)]

ECM BRANCH LINE CIRCUIT

ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000003515383

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 ECM 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 ECM.

2.

Check the resistance between the ECM harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ECM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ECM. Refer to 

EC-133, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the ECM. Refer to 

EC-15, "ADDITIONAL SERVICE WHEN REPLACING

CONTROL UNIT : Special Repair Requirement"

.

YES (Past error)>>Error was detected in the ECM branch line.
NO

>> Repair the power supply and the ground circuit.

ECM harness connector

Resistance (

)

Connector No.

Terminal No.

M107

114

113

Approx. 108 – 132

 

 

 

 

 

 

 

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