Nissan Murano Z50 (2005 year). Manual — part 165
CAN SYSTEM (TYPE 6)
LAN-253
[CAN]
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Revision: 2005 August
2005 Murano
CAN Communication Circuit Inspection
AKS00CKB
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the battery cable from the negative terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, unit side, meter side and harness side).
–
ECM
–
TCM
–
BCM
–
Display unit
–
Unified meter and A/C amp.
–
AWD control unit
–
ABS actuator and electric unit (control unit)
–
IPDM E/R
–
Between ECM and IPDM E/R
–
Between ECM and TCM
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
ECM connector
–
Harness connector M82
–
BCM connector
–
Display unit connector
–
Unified meter and A/C amp. connector
–
Harness connector M9
2.
Check continuity between data link connector M24 terminals 6
(L) and 14 (Y).
OK or NG
OK
>> GO TO 3.
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 harness
connector M82
●
Harness between data link connector and BCM
●
Harness between data link connector and display unit
●
Harness between data link connector and unified meter and A/C amp.
●
Harness between data link connector and harness connector M9
6 (L) - 14 (Y)
: Continuity should not exist.
SKIA6868E
LAN-254
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2005 August
2005 Murano
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 harness
connector M82
●
Harness between data link connector and BCM
●
Harness between data link connector and display unit
●
Harness between data link connector and unified meter and A/C amp.
●
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
CAN SYSTEM (TYPE 6)
LAN-255
[CAN]
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Revision: 2005 August
2005 Murano
6.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect harness connector B4.
2.
Check continuity between harness connector B4 terminals 4 (L)
and 10 (Y).
OK or NG
OK
>> GO TO 7.
NG
>> Repair harness between harness connector B2 and har-
ness connector B4.
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
>> Repair harness between harness connector B2 and har-
ness connector B4.
8.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
4WD control unit connector
–
ABS actuator and electric unit (control unit) connector
–
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 9.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and AWD control unit
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit)
●
Harness between IPDM E/R and harness connector E105
4 (L) - 10 (Y)
: Continuity should not exist.
PKIB5320E
4 (L) - Ground
: Continuity should not exist.
10 (Y) - Ground
: Continuity should not exist.
PKIB5321E
48 (L) - 49 (Y)
: Continuity should not exist.
PKIB5317E
LAN-256
[CAN]
CAN SYSTEM (TYPE 6)
Revision: 2005 August
2005 Murano
9.
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 10.
NG
>> Check the following harnesses. If any harness is dam-
aged, repair the harness.
●
Harness between IPDM E/R and AWD control unit
●
Harness between IPDM E/R and ABS actuator and
electric unit (control unit)
●
Harness between IPDM E/R and harness connector E105
10.
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 11.
NG
>> Replace ECM and/or IPDM E/R.
11.
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 12.
NG
>> Refer to
LAN-17, "Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"
.
48 (L) - Ground
: Continuity should not exist.
49 (Y) - Ground
: Continuity should not exist.
PKIB5323E
94 - 86
: Approx. 108 – 132
Ω
48 - 49
: Approx. 108 – 132
Ω
LKIA0037E
CAN SYSTEM (TYPE 6)
LAN-257
[CAN]
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Revision: 2005 August
2005 Murano
12.
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.
–
TCM
–
BCM
–
Display unit
–
Unified meter and A/C amp.
–
AWD 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
AKS00CKC
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”
.
LAN-258
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
CAN SYSTEM (TYPE 7)
PFP:23710
Component Parts and Harness Connector Location
AKS00AFM
PKIB6920E
CAN SYSTEM (TYPE 7)
LAN-259
[CAN]
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Revision: 2005 August
2005 Murano
Schematic
AKS00AFN
TKWB0855E
LAN-260
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
Wiring Diagram - CAN -
AKS00AFO
TKWB0856E
CAN SYSTEM (TYPE 7)
LAN-261
[CAN]
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Revision: 2005 August
2005 Murano
TKWB0857E
LAN-262
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
TKWB0858E
CAN SYSTEM (TYPE 7)
LAN-263
[CAN]
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Revision: 2005 August
2005 Murano
TKWB0859E
LAN-264
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
TKWB0860E
CAN SYSTEM (TYPE 7)
LAN-265
[CAN]
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Revision: 2005 August
2005 Murano
Check Sheet
AKS00ASI
NOTE:
If a check mark is put on “NG” on “INITIAL DIAG (Initial diagnosis)”, replace the control unit.
PKIB4720E
LAN-266
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
PKIB4721E
CAN SYSTEM (TYPE 7)
LAN-267
[CAN]
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Revision: 2005 August
2005 Murano
PKIB4722E
LAN-268
[CAN]
CAN SYSTEM (TYPE 7)
Revision: 2005 August
2005 Murano
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-284, "Inspection Between TCM and Data
.
PKIB4830E
PKIB4627E
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