Nissan Murano Z50 (2005 year). Manual - part 163

CAN SYSTEM (TYPE 5)

LAN-221

[CAN]

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Revision: 2005 August

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3. 

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between data link connector M24 terminals 6 (L),
14 (Y) and ground.

OK or NG

OK

>> GO TO 4.

NG

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between data link connector and ECM

●

Harness between data link connector and Intelligent
Key unit

●

Harness between data link connector and harness connector M82

●

Harness between data link connector and low tire pressure warning control unit

●

Harness between data link connector and BCM

●

Harness between data link connector and display control unit

●

Harness between data link connector and unified meter and A/C amp.

●

Harness between data link connector and steering angle sensor

●

Harness between data link connector and harness connector M9

4. 

CHECK HARNESS FOR SHORT CIRCUIT

1.

Disconnect TCM connector.

2.

Check continuity between TCM harness connector F103 termi-
nals 5 (L) and 6 (Y).

OK or NG

OK

>> GO TO 5.

NG

>> Repair harness between TCM and harness connector

F102.

5. 

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between TCM harness connector F103 terminals 5
(L), 6 (Y) and ground.

OK or NG

OK

>> GO TO 6.

NG

>> Repair harness between TCM and harness connector

F102.

6 (L) - Ground

: Continuity should not exist.

14 (Y) - Ground

: Continuity should not exist.

PKIB5318E

5 (L) - 6 (Y)

: Continuity should not exist.

PKIB5313E

5 (L) - Ground

: Continuity should not exist.

6 (Y) - Ground

: Continuity should not exist.

PKIB5319E

LAN-222

[CAN]

CAN SYSTEM (TYPE 5)

Revision: 2005 August

2005 Murano

6. 

CHECK HARNESS FOR SHORT CIRCUIT

1.

Disconnect harness connector B4 and harness connector B9.

2.

Check continuity between harness connector B4 terminals 4 (L)
and 10 (Y).

OK or NG

OK

>> GO TO 7.

NG

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between harness connector B4 and harness
connector B2

●

Harness between harness connector B4 and harness
connector B9

7. 

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between harness connector B4 terminals 4 (L), 10
(Y) and ground.

OK or NG

OK

>> GO TO 8.

NG

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between harness connector B4 and harness
connector B2

●

Harness between harness connector B4 and harness connector B9

8. 

CHECK HARNESS FOR SHORT CIRCUIT

1.

Disconnect driver seat control unit connector.

2.

Check continuity between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).

OK or NG

OK

>> GO TO 9.

NG

>> Repair harness between driver seat control unit and har-

ness connector B301.

4 (L) - 10 (Y) 

: Continuity should not exist.

PKIB5320E

4 (L) - Ground

: Continuity should not exist.

10 (Y) - Ground

: Continuity should not exist.

PKIB5321E

3 (L/Y) - 19 (BR/W) 

: Continuity should not exist.

PKIB5315E

CAN SYSTEM (TYPE 5)

LAN-223

[CAN]

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9. 

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between driver seat control unit harness connector
B303 terminals 3 (L/Y), 19 (BR/W) and ground.

OK or NG

OK

>> GO TO 10.

NG

>> Repair harness between driver seat control unit and har-

ness connector B301.

10. 

CHECK HARNESS FOR SHORT CIRCUIT

1.

Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.

2.

Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).

OK or NG

OK

>> GO TO 11.

NG

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit)

●

Harness between IPDM E/R and harness connector
E105

11. 

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between IPDM E/R harness connector E9 termi-
nals 48 (L), 49 (Y) and ground.

OK or NG

OK

>> GO TO 12.

NG

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit)

●

Harness between IPDM E/R and harness connector E105

3 (L/Y) - Ground

: Continuity should not exist.

19 (BR/W) - Ground

: Continuity should not exist.

PKIB5322E

48 (L) - 49 (Y) 

: Continuity should not exist.

PKIB5317E

48 (L) - Ground

: Continuity should not exist.

49 (Y) - Ground

: Continuity should not exist.

PKIB5323E

LAN-224

[CAN]

CAN SYSTEM (TYPE 5)

Revision: 2005 August

2005 Murano

12. 

CHECK ECM AND IPDM E/R INTERNAL CIRCUIT

1.

Remove ECM and IPDM E/R from vehicle.

2.

Check resistance between ECM terminals 94 and 86.

3.

Check resistance between IPDM E/R terminals 48 and 49.

OK or NG

OK

>> GO TO 13.

NG

>> Replace ECM and/or IPDM E/R.

13. 

CHECK SYMPTOM

1.

Fill in described symptoms on the column “Symptom” in the check sheet.

2.

Connect all the connectors, and then make sure that the symptom is reproduced.

OK or NG

OK

>> GO TO 14.

NG

>> Refer to 

LAN-17, "Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"

.

14. 

CHECK UNIT REPRODUCIBILITY

Perform the following procedure for each unit, and then perform reproducibility test.

1.

Turn ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the unit connector.

4.

Connect the battery cable to the negative terminal.

5.

Make sure that the symptom filled in the “Symptom” of the check sheet is reproduced. (Do not confuse it
with the symptom related to removed unit.)

6.

Make sure that the same symptom is reproduce.

–

Intelligent Key unit

–

TCM

–

Low tire pressure warning control unit

–

BCM

–

Display control unit

–

Unified meter and A/C amp.

–

Steering angle sensor

–

Driver seat control unit

–

ABS actuator and electric unit (control unit)

–

ECM

–

IPDM E/R

Check results

Reproduced>>Install removed unit, and then check the other unit.
Not reproduced>>Replace removed unit.

IPDM E/R Ignition Relay Circuit Inspection

AKS00CHU

Check the following. If no malfunction is found, replace the IPDM E/R.

●

IPDM E/R power supply circuit. Refer to 

PG-27, "IPDM E/R Power/Ground Circuit Inspection"

 .

●

Ignition power supply circuit. Refer to 

PG-10, "IGNITION POWER SUPPLY - IGNITION SW. IN “ON”

AND/OR “START”"

 .

94 - 86

: Approx. 108 – 132 

Ω

48 - 49

: Approx. 108 – 132 

Ω

LKIA0037E

CAN SYSTEM (TYPE 6)

LAN-225

[CAN]

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Revision: 2005 August

2005 Murano

CAN SYSTEM (TYPE 6)

PFP:23710

Component Parts and Harness Connector Location

AKS00AF2

PKIB6919E

LAN-226

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

Schematic

AKS00AF3

TKWB0850E

CAN SYSTEM (TYPE 6)

LAN-227

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Wiring Diagram - CAN -

AKS00AF4

TKWB0851E

LAN-228

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

TKWB0852E

CAN SYSTEM (TYPE 6)

LAN-229

[CAN]

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Revision: 2005 August

2005 Murano

TKWB0853E

LAN-230

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

TKWB0854E

CAN SYSTEM (TYPE 6)

LAN-231

[CAN]

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2005 Murano

Check Sheet

AKS00AF5

NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.

PKIB4718E

LAN-232

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

PKIB4719E

CAN SYSTEM (TYPE 6)

LAN-233

[CAN]

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Revision: 2005 August

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CHECK SHEET RESULTS (EXAMPLE)

NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.

Case 1

Check harness between TCM and data link connector. Refer to 

LAN-246, "Inspection Between TCM and Data

Link Connector Circuit"

 .

PKIB4815E

PKIB4615E

LAN-234

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

Case 2

Check harness between data link connector and AWD control unit. Refer to 

LAN-246, "Inspection Between

Data Link Connector and AWD Control Unit Circuit"

 .

PKIB4816E

PKIB4616E

CAN SYSTEM (TYPE 6)

LAN-235

[CAN]

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2005 Murano

Case 3

Check harness between AWD control unit and ABS actuator and electric unit (control unit). Refer to 

LAN-248,

"Inspection Between AWD Control Unit and ABS Actuator and Electric Unit (Control Unit) Circuit"

 .

PKIB4817E

PKIB4617E

LAN-236

[CAN]

CAN SYSTEM (TYPE 6)

Revision: 2005 August

2005 Murano

Case 4

Check ECM circuit. Refer to 

LAN-248, "ECM Circuit Inspection"

 .

PKIB4818E

PKIB4618E