Nissan Teana J32. Manual - part 786

LAN-74

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 6)]

MAIN LINE BETWEEN ADP AND DLC CIRCUIT

COMPONENT DIAGNOSIS

MAIN LINE BETWEEN ADP AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000004459801

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 B11

-

Harness connector M77

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the harness connectors B11 and M77.

2.

Check the continuity between the harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the driver seat control unit and the harness connector B11.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the harness connector and the data link 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 driver seat control unit and the data link

connector. 

NO

>> Repair the main line between the harness connector M77 and the data link connector.

Connector No.

Terminal No.

Continuity

B11

19

44

Existed

18

43

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M77

44

M4

6

Existed

43

14

Existed

LAN

MAIN LINE BETWEEN DLC AND BCM CIRCUIT

LAN-75

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 6)]

C

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F

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MAIN LINE BETWEEN DLC AND BCM CIRCUIT

Diagnosis Procedure

INFOID:0000000004459802

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

-

BCM

4.

Check the continuity between the data link connector and the BCM 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 BCM. 
NO

>> Repair the main line between the data link connector and the BCM.

Data link connector

BCM harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M4

6

M122

91

Existed

14

90

Existed

LAN-76

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 6)]

MAIN LINE BETWEEN BCM AND ABS CIRCUIT

MAIN LINE BETWEEN BCM AND ABS CIRCUIT

Diagnosis Procedure

INFOID:0000000004459803

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 M11

-

Harness connector E105

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.

-

BCM

-

Harness connectors M11 and E105

2.

Check the continuity between the BCM harness connector and the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the BCM and the harness connector M11.

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.

-

Models with ABS

-

Models with VDC

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 BCM and the ABS actuator and electric

unit (control unit). 

NO

>> Repair the main line between the harness connector E105 and the ABS actuator and electric unit

(control unit).

BCM harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M122

91

M11

12

Existed

90

11

Existed

Harness connector

ABS actuator and electric unit (control unit) 

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E105

12

E34

26

Existed

11

15

Existed

Harness connector

ABS actuator and electric unit (control unit) 

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E105

12

E36

26

Existed

11

15

Existed

LAN

ECM BRANCH LINE CIRCUIT

LAN-77

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 6)]

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ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000003841829

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).

-

ECM

-

Harness connector E105

-

Harness connector M11

-

Harness connector M77 (Models with automatic drive positioner)

-

Harness connector B11 (Models with automatic drive positioner)

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-132, "Diagnosis Procedure"

.

Is the inspection result normal?

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

EC-14, "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 (

Ω

)

Connector No.

Terminal No.

E16

98

97

Approx. 108 – 132