Nissan Altima HL32 Hybrid. Manual - part 778

LAN-66

< COMPONENT DIAGNOSIS >

[HEV SYSTEM CAN]

CAN COMMUNICATION SYSTEM

AWMIA0188GB

LAN

CAN COMMUNICATION SYSTEM

LAN-67

< COMPONENT DIAGNOSIS >

[HEV SYSTEM CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

AWMIA0189GB

LAN-68

< COMPONENT DIAGNOSIS >

[HEV SYSTEM CAN]

MALFUNCTION AREA CHART

MALFUNCTION AREA CHART

Main Line

INFOID:0000000004219064

Branch Line

INFOID:0000000004219065

Short Circuit

INFOID:0000000004219066

Malfunction Area

Reference

Main line between EPS control unit and data link connector

LAN-69, "Diagnosis Procedure"

Main line between data link connector and brake ECU

LAN-70, "Diagnosis Procedure"

Malfunction Area

Reference

ECM branch line circuit 

LAN-71, "Diagnosis Procedure"

EPS control unit branch line circuit 

LAN-72, "Diagnosis Procedure"

Data link connector branch line circuit

LAN-73, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-74, "Diagnosis Procedure"

Yaw rate/side/decel G sensor branch line circuit

LAN-75, "Diagnosis Procedure"

Brake ECU branch line circuit 

LAN-76, "Diagnosis Procedure"

Hybrid vehicle control ECU branch line circuit 

LAN-77, "Diagnosis Procedure"

Malfunction Area

Reference

CAN communication circuit

LAN-78, "Diagnosis Procedure"

LAN

MAIN LINE BETWEEN EPS AND DLC CIRCUIT

LAN-69

< COMPONENT DIAGNOSIS >

[HEV SYSTEM CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN EPS AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000004219067

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 E30

-

Harness connector M1

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 E301 and E67

-

Harness connectors E30 and M1

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 connector E67 and E30.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

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

Is the inspection result normal?

YES

>> GO TO 4. 

NO

>> Repair the main line between the harness connector M1 and the data link connector.

4.

ERASE ALL DTC

1. Connect all the connectors.

2. Erase the DTCs of unit connected to HEV SYSTEM CAN and CAN.

3. Turn the ignition switch OFF.

4. Turn the ignition switch ON. 

5. Perform All DTC Reading with CONSULT-III.

NOTE:

For DTCs related to HEV SYSTEM CAN, refer to 

LAN-59, "DTC Related to HEV SYSTEM CAN List"

.

Is the DTC related to HEV SYSTEM CAN displayed?

YES

>> Reconfirm the procedure for detecting root cause.

NO

>> Error was detected in the main line between the EPS control unit and the data link connector.

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E67

2

E30

15G

Existed

1

8G

Existed

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M1

15G

M22

13

Existed

8G

12

Existed