Nissan Murano Z50 (2003 year). Manual - part 164

LAN-238

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

Case 6

Check display control unit circuit. Refer to 

LAN-249, "Display Control Unit Circuit Check"

 .

PKIB0521E

SKIA5180E

CAN SYSTEM (TYPE 7)

LAN-239

[CAN]

C

D

E

F

G

H

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A

B

LAN

Revision; 2004 April

2003 Murano

Case 7

Check data link connector circuit. Refer to 

LAN-249, "Data Link Connector Circuit Check"

 .

PKIB0522E

SKIA5181E

LAN-240

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

Case 8

Check BCM circuit. Refer to 

LAN-250, "BCM Circuit Check"

 .

PKIB0523E

SKIA5182E

CAN SYSTEM (TYPE 7)

LAN-241

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 9

Check unified meter and A/C amp. circuit. Refer to 

LAN-250, "Unified Meter and A/C Amp. Circuit Check"

 .

PKIB0524E

SKIA5183E

LAN-242

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

Case 10

Check driver seat control unit circuit. Refer to 

LAN-251, "Driver Seat Control Unit Circuit Check"

 .

PKIB0525E

SKIA5184E

CAN SYSTEM (TYPE 7)

LAN-243

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 11

Check ABS actuator and electric unit (control unit) circuit. Refer to 

LAN-251, "ABS Actuator and Electric Unit

(Control Unit) Circuit Check"

 .

PKIB0526E

SKIA5185E

LAN-244

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

Case 12

Check IPDM E/R circuit. Refer to 

LAN-252, "IPDM E/R Circuit Check"

 .

Case 13

Check CAN communication circuit. Refer to 

LAN-253, "CAN Communication Circuit Check"

 .

PKIB0527E

SKIA5186E

PKIB0528E

CAN SYSTEM (TYPE 7)

LAN-245

[CAN]

C

D

E

F

G

H

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L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 14

Check IPDM E/R ignition relay circuit continuously sticks “OFF”. Refer to 

LAN-256, "IPDM E/R Ignition Relay

Circuit Check"

 .

Case 15

Check IPDM E/R ignition relay circuit continuously sticks “ON”. Refer to 

LAN-256, "IPDM E/R Ignition Relay

Circuit Check"

 .

PKIB0529E

PKIB0530E

LAN-246

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

Circuit Check Between TCM and Data Link Connector

AKS006S4

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

LAN-229, "Work Flow"

 .

NG

>> Repair harness.

Circuit Check Between Data Link Connector and Driver Seat Control Unit

AKS006S5

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 7)

LAN-247

[CAN]

C

D

E

F

G

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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

LAN-229, "Work Flow"

 .

NG

>> Repair harness.

Circuit Check Between Driver Seat Control Unit and ABS Actuator and Electric 
Unit (Control Unit)

AKS006S6

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-248

[CAN]

CAN SYSTEM (TYPE 7)

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

LAN-229, "Work Flow"

 .

NG

>> Repair harness.

ECM Circuit Check

AKS006S7

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

AKS006S8

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 7)

LAN-249

[CAN]

C

D

E

F

G

H

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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

AKS006S9

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

AKS006SA

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-250

[CAN]

CAN SYSTEM (TYPE 7)

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 

LAN-229, "Work Flow"

 .

NG

>> Repair harness between data link connector and BCM.

BCM Circuit Check

AKS006SB

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-

tion of BCM"

 .

NG

>> Repair harness between BCM and data link connector.

Unified Meter and A/C Amp. Circuit Check

AKS006SC

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 7)

LAN-251

[CAN]

C

D

E

F

G

H

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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

AKS006SD

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.

ABS Actuator and Electric Unit (Control Unit) Circuit Check

AKS006SE

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.

1 (L) - 11 (Y) 

: Approx. 54 - 66

Ω

PKIA2078E

3 (L/Y) - 19 (BR/W) 

: Approx. 54 - 66

Ω

SKIA5024E

LAN-252

[CAN]

CAN SYSTEM (TYPE 7)

Revision; 2004 April

2003 Murano

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

AKS006SF

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.

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).

11 (L) - 15 (Y) 

: Approx. 54 - 66

Ω

SKIA5019E

48 (L) - 49 (Y) 

: Approx. 108 - 132

Ω

LKIA0030E

CAN SYSTEM (TYPE 7)

LAN-253

[CAN]

C

D

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F

G

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LAN

Revision; 2004 April

2003 Murano

CAN Communication Circuit Check

AKS006SG

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

●

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.

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.

6 (L) - 14 (Y) 

: Continuity should not exist.

PKIA2077E