Nissan Murano Z50 (2003 year). Manual — part 198
LAN-782
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
Case 9
Check unified meter and A/C amp. circuit. Refer to
LAN-792, "Unified Meter and A/C Amp. Circuit Check"
PKIB0930E
SKIA5417E
CAN SYSTEM (TYPE 23)
LAN-783
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
Case 10
Check driver seat control unit circuit. Refer to
LAN-793, "Driver Seat Control Unit Circuit Check"
PKIB0931E
SKIA5418E
LAN-784
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
Case 11
Check AWD control unit circuit. Refer to
LAN-793, "AWD Control Unit Circuit Check"
.
PKIB0932E
SKIA5419E
CAN SYSTEM (TYPE 23)
LAN-785
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
Case 12
Check ABS actuator and electric unit (control unit) circuit. Refer to
LAN-794, "ABS Actuator and Electric Unit
.
PKIB0933E
SKIA5420E
LAN-786
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
Case 13
Check IPDM E/R circuit. Refer to
LAN-794, "IPDM E/R Circuit Check"
Case 14
Check CAN communication circuit. Refer to
LAN-795, "CAN Communication Circuit Check"
PKIB0934E
SKIA5421E
PKIB0935E
CAN SYSTEM (TYPE 23)
LAN-787
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
Case 15
Check IPDM E/R ignition relay circuit continuously sticks “OFF”. Refer to
LAN-799, "IPDM E/R Ignition Relay
Case 16
Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to
LAN-799, "IPDM E/R Ignition Relay
PKIB0936E
PKIB0937E
LAN-788
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
Circuit Check Between TCM and Data Link Connector
AKS0073A
1.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Disconnect ECM connector and harness connector M82.
4.
Check continuity between harness connector M82 terminals 8
(L), 9 (Y) and data link connector M24 terminals 6 (L), 14 (Y).
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
.
NG
>> Repair harness.
Circuit Check Between Data Link Connector and Driver Seat Control Unit
AKS0073B
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
●
Harness connector M9
●
Harness connector B2
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect harness connector M9.
2.
Check continuity between data link connector M24 terminals 6
(L), 14 (Y) and harness connector M9 terminals 1 (L), 10 (Y).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
8 (L) - 6 (L)
: Continuity should exist.
9 (Y) - 14 (Y)
: Continuity should exist.
SKIA5014E
6 (L) - 1 (L)
: Continuity should exist.
14 (Y) - 10 (Y)
: Continuity should exist.
SKIA5015E
CAN SYSTEM (TYPE 23)
LAN-789
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect harness connector B4.
2.
Check continuity between harness connector B2 terminals 1 (L),
10 (Y) and harness connector B4 terminals 3 (L), 10 (Y).
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
.
NG
>> Repair harness.
Circuit Check Between Driver Seat Control Unit and ABS Actuator and Electric
Unit (Control Unit)
AKS0073C
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (connector side and
harness side).
●
Harness connector B4
●
Harness connector E105
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect harness connector B2 and harness connector B4.
2.
Check continuity between harness connector B2 terminals 1 (L),
10 (Y) and harness connector B4 terminals 3 (L), 10 (Y).
OK or NG
OK
>> GO TO 3.
NG
>> Repair harness.
1 (L) - 3 (L)
: Continuity should exist.
10 (Y) - 10 (Y)
: Continuity should exist.
SKIA5016E
1 (L) - 3 (L)
: Continuity should exist.
10 (Y) - 10 (Y)
: Continuity should exist.
SKIA5016E
LAN-790
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
3.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check continuity between harness connector E105 terminals 3
(L), 10 (Y) and ABS actuator and electric unit (control unit) har-
ness connector E24 terminals 11 (L), 15 (Y).
OK or NG
OK
>> Connect all the connectors and diagnose again. Refer to
.
NG
>> Repair harness.
ECM Circuit Check
AKS0073D
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of ECM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ECM connector.
2.
Check resistance between ECM harness connector M80 termi-
nals 94 (L) and 86 (Y).
OK or NG
OK
>> Replace ECM.
NG
>> Repair harness between ECM and TCM.
TCM Circuit Check
AKS0073E
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control module side
and harness side).
●
TCM connector
●
Harness connector F102
●
Harness connector M82
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
3 (L) - 11 (L)
: Continuity should exist.
10 (Y) - 15 (Y)
: Continuity should exist.
SKIA5017E
94 (L) - 86 (Y)
: Approx. 108 - 132
Ω
PKIA0816E
CAN SYSTEM (TYPE 23)
LAN-791
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect TCM connector.
2.
Check resistance between TCM harness connector F103 termi-
nals 5 (L) and 6 (Y).
OK or NG
OK
>> Replace TCM.
NG
>> Repair harness between TCM and ECM.
Display Control Unit Circuit Check
AKS0073F
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of display control unit for damage, bend and loose connection (control unit
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect display control unit connector.
2.
Check resistance between display control unit harness connec-
tor M43 terminals 25 (L) and 26 (Y).
OK or NG
OK
>> Replace display control unit.
NG
>> Repair harness between display control unit and data
link connector.
Data Link Connector Circuit Check
AKS0073G
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check data link connector and terminals for damage, bend and loose connection (connector side and har-
ness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
5 (L) - 6 (Y)
: Approx. 54 - 66
Ω
PKIA0817E
25 (L) - 26 (Y)
: Approx. 54 - 66
Ω
SKIA5023E
LAN-792
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
Check resistance between data link connector M24 terminals 6 (L)
and 14 (Y).
OK or NG
OK
>> Diagnose again. Refer to
NG
>> Repair harness between data link connector and BCM.
BCM Circuit Check
AKS0073H
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect BCM connector.
2.
Check resistance between BCM harness connector M37 termi-
nals 70 (L) and 71 (Y).
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness between BCM and data link connector.
Unified Meter and A/C Amp. Circuit Check
AKS0073I
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of unified meter and A/C amp. for damage, bend and loose connection
(meter side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
6 (L) - 14 (Y)
: Approx. 54 - 66
Ω
PKIA2077E
70 (L) - 71 (Y)
: Approx. 54 - 66
Ω
LKIA0028E
CAN SYSTEM (TYPE 23)
LAN-793
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect unified meter and A/C amp. connector.
2.
Check resistance between unified meter and A/C amp. harness
connector M49 terminals 1 (L) and 11 (Y).
OK or NG
OK
>> Replace unified meter and A/C amp.
NG
>> Repair harness between unified meter and A/C amp.
and data link connector.
Driver Seat Control Unit Circuit Check
AKS0073J
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control unit side and
harness side).
●
Driver seat control unit connector
●
Harness connector B301
●
Harness connector B9
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect driver seat control unit connector.
2.
Check resistance between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).
OK or NG
OK
>> Replace driver seat control unit.
NG
>> Repair harness between driver seat control unit and har-
ness connector B4.
AWD Control Unit Circuit Check
AKS0073K
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of AWD control unit for damage, bend and loose connection (control unit
side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
1 (L) - 11 (Y)
: Approx. 54 - 66
Ω
PKIA2078E
3 (L/Y) - 19 (BR/W)
: Approx. 54 - 66
Ω
SKIA5024E
LAN-794
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect AWD control unit connector.
2.
Check resistance between AWD control unit harness connector
E111 terminals 8 (L) and 16 (Y).
OK or NG
OK
>> Replace AWD control unit.
NG
>> Repair harness between AWD control unit and IPDM E/
R.
ABS Actuator and Electric Unit (Control Unit) Circuit Check
AKS0073L
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of ABS actuator and electric unit (control unit) for damage, bend and loose
connection (control unit side and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect ABS actuator and electric unit (control unit) connector.
2.
Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E24 terminals 11 (L) and 15 (Y).
OK or NG
OK
>> Replace ABS actuator and electric unit (control unit).
NG
>> Repair harness between ABS actuator and electric unit
(control unit) and IPDM E/R.
IPDM E/R Circuit Check
AKS0073M
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check terminals and connector of IPDM E/R for damage, bend and loose connection (control module side
and harness side).
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
8 (L) - 16 (Y)
: Approx. 54 - 66
Ω
SKIA5033E
11 (L) - 15 (Y)
: Approx. 54 - 66
Ω
SKIA5019E
CAN SYSTEM (TYPE 23)
LAN-795
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR OPEN CIRCUIT
1.
Disconnect IPDM E/R connector.
2.
Check resistance between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).
OK or NG
OK
>> Replace IPDM E/R.
NG
>> Repair harness between IPDM E/R and ABS actuator
and electric unit (control unit).
CAN Communication Circuit Check
AKS0073N
1.
CHECK CONNECTOR
1.
Turn ignition switch OFF.
2.
Disconnect the negative battery terminal.
3.
Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, meter side and harness side).
●
ECM
●
TCM
●
Display control unit
●
BCM
●
Unified meter and A/C amp.
●
Driver seat control unit
●
AWD control unit
●
ABS actuator and electric unit (control unit)
●
IPDM E/R
●
Between ECM and IPDM E/R
●
Between ECM and TCM
●
Between ECM and driver seat control unit
OK or NG
OK
>> GO TO 2.
NG
>> Repair terminal or connector.
48 (L) - 49 (Y)
: Approx. 108 - 132
Ω
LKIA0030E
LAN-796
[CAN]
CAN SYSTEM (TYPE 23)
Revision; 2004 April
2003 Murano
2.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect following connectors.
–
ECM connector
–
Harness connector M82
–
Display control unit connector
–
BCM 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 display control unit.
●
Harness between data link connector and BCM.
●
Harness between data link connector and unified meter and A/C amp.
●
Harness between data link connector and harness connector M9.
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 display control unit.
●
Harness between data link connector and BCM.
●
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.
PKIA2077E
6 (L) - Ground
: Continuity should not exist.
14 (Y) - Ground
: Continuity should not exist.
PKIA2079E
CAN SYSTEM (TYPE 23)
LAN-797
[CAN]
C
D
E
F
G
H
I
J
L
M
A
B
LAN
Revision; 2004 April
2003 Murano
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.
CHECK HARNESS FOR SHORT CIRCUIT
1.
Disconnect harness connector B4 and harness connector B9.
2.
Check continuity between harness connector B4 terminals 3 (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.
●
Repair harness between harness connector B4 and
harness connector B2.
●
Repair harness between harness connector B4 and
harness connector B9.
5 (L) - 6 (Y)
: Continuity should not exist.
PKIA0817E
5 (L) - Ground
: Continuity should not exist.
6 (Y) - Ground
: Continuity should not exist.
SKIA5020E
3 (L) - 10 (Y)
: Continuity should not exist.
SKIA5021E
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