Nissan Altima HL32 Hybrid. Manual - part 784

 

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Nissan Altima HL32 Hybrid. Manual - part 784

 

 

LAN-90

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 13)]

CAN COMMUNICATION CIRCUIT

Inspection result

Reproduced>>GO TO 6.

Non-reproduced>>Start the diagnosis again. Follow the trouble diagnosis procedure when past error is

detected.

6.

CHECK UNIT REPRODUCTION

Perform the reproduction test as per the following procedure for each unit.

1. Turn the ignition switch OFF.

2. Disconnect the battery cable from the negative terminal.

3. Disconnect one of the unit connectors of CAN communication system.

NOTE:

ECM and IPDM E/R have a termination circuit. Check other units first.

4. Connect the battery cable to the negative terminal. Check if the symptoms described in the “Symptom

(Results from interview with customer)” are reproduced. 

NOTE:

Although unit-related error symptoms occur, do not confuse them with other symptoms. 

Inspection result

Reproduced>>Connect the connector. Check other units as per the above procedure.

Non-reproduced>>Replace the unit whose connector was disconnected.

LAN

MAIN LINE BETWEEN DLC AND HV ECU CIRCUIT

LAN-91

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 14)]

C

D

E

F

G

H

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B

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N

COMPONENT DIAGNOSIS

MAIN LINE BETWEEN DLC AND HV ECU CIRCUIT

Diagnosis Procedure

INFOID:0000000004219087

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 M89

-

Harness connector E64

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 M89 and E64.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the data link connector and the harness connector M89.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1. Disconnect the connector of hybrid vehicle control ECU.

2. Check the continuity between the harness connector and the hybrid vehicle control ECU harness connec-

tor.

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 hybrid vehi-

cle control ECU. 

NO

>> Repair the main line between the harness connector E64 and the hybrid vehicle control ECU.

Data link connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M22

6

M89

7

Existed

14

8

Existed

Harness connector

Hybrid vehicle control ECU harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E64

7

E66

173

Existed

8

172

Existed

LAN-92

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 14)]

ECM BRANCH LINE CIRCUIT

ECM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000004219088

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 E47

-

Harness connector E48

-

Junction block

-

Harness connector E30

-

Harness connector M1

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-114, "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.

E10

98

97

Approx. 108 – 132

LAN

A-BAG BRANCH LINE CIRCUIT

LAN-93

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 14)]

C

D

E

F

G

H

I

J

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L

B

A

O

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A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000004219089

1.

CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Refer to 

SRC-3, "Work Flow"

.

Is the inspection result normal?

YES

>> Replace the main harness.

NO

>> Replace parts whose air bag system has a malfunction.

 

 

 

 

 

 

 

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