Nissan Murano Z50 (2003 year). Manual - part 166

LAN-270

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 4

Check ECM circuit. Refer to 

LAN-283, "ECM Circuit Check"

 .

PKIB0535E

SKIA5190E

CAN SYSTEM (TYPE 8)

LAN-271

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 5

Check TCM circuit. Refer to 

LAN-283, "TCM Circuit Check"

 .

PKIB0536E

SKIA5191E

LAN-272

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 6

Check low tire pressure warning control unit circuit. Refer to 

LAN-284, "Low Tire Pressure Warning Control

Unit Circuit Check"

 .

PKIB0537E

SKIA5192E

CAN SYSTEM (TYPE 8)

LAN-273

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 7

Check display control unit circuit. Refer to 

LAN-284, "Display Control Unit Circuit Check"

 .

PKIB0538E

SKIA5193E

LAN-274

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 8

Check data link connector circuit. Refer to 

LAN-285, "Data Link Connector Circuit Check"

 .

PKIB0539E

SKIA5194E

CAN SYSTEM (TYPE 8)

LAN-275

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 9

Check BCM circuit. Refer to 

LAN-285, "BCM Circuit Check"

 .

PKIB0540E

SKIA5195E

LAN-276

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 10

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

LAN-286, "Unified Meter and A/C Amp. Circuit Check"

 .

PKIB0541E

SKIA5196E

CAN SYSTEM (TYPE 8)

LAN-277

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 11

Check driver seat control unit circuit. Refer to 

LAN-286, "Driver Seat Control Unit Circuit Check"

 .

PKIB0542E

SKIA5197E

LAN-278

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 12

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

LAN-287, "ABS Actuator and Electric Unit

(Control Unit) Circuit Check"

 .

PKIB0543E

SKIA5198E

CAN SYSTEM (TYPE 8)

LAN-279

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 13

Check IPDM E/R circuit. Refer to 

LAN-287, "IPDM E/R Circuit Check"

 .

Case 14

Check CAN communication circuit. Refer to 

LAN-288, "CAN Communication Circuit Check"

 .

PKIB0544E

SKIA5199E

PKIB0545E

LAN-280

[CAN]

CAN SYSTEM (TYPE 8)

Revision; 2004 April

2003 Murano

Case 15

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

LAN-292, "IPDM E/R Ignition Relay

Circuit Check"

 .

Case 16

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

LAN-292, "IPDM E/R Ignition Relay

Circuit Check"

 .

PKIB0546E

PKIB0547E

CAN SYSTEM (TYPE 8)

LAN-281

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Circuit Check Between TCM and Data Link Connector

AKS006SO

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-263, "Work Flow"

 .

NG

>> Repair harness.

Circuit Check Between Data Link Connector and Driver Seat Control Unit

AKS006SP

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

LAN-282

[CAN]

CAN SYSTEM (TYPE 8)

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-263, "Work Flow"

 .

NG

>> Repair harness.

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

AKS006SQ

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

CAN SYSTEM (TYPE 8)

LAN-283

[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 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-263, "Work Flow"

 .

NG

>> Repair harness.

ECM Circuit Check

AKS006SR

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

AKS006SS

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

LAN-284

[CAN]

CAN SYSTEM (TYPE 8)

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 low tire pressure

warning control unit.

Low Tire Pressure Warning Control Unit Circuit Check

AKS006ST

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Disconnect the negative battery terminal.

3.

Check terminals and connector of low tire pressure warning control unit for damage, bend and loose con-
nection (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 low tire pressure warning control unit connector.

2.

Check resistance between low tire pressure warning control unit
harness connector M81 terminals 9 (L) and 21 (Y).

OK or NG

OK

>> Replace low tire pressure warning control unit.

NG

>> Repair harness between low tire pressure warning con-

trol unit and TCM.

Display Control Unit Circuit Check

AKS006SU

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.

5 (L) - 6 (Y) 

: Approx. 54 - 66

Ω

PKIA0817E

9 (L) - 21 (Y) 

: Approx. 54 - 66

Ω

PKIA2082E

CAN SYSTEM (TYPE 8)

LAN-285

[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 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

AKS006SV

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.

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-263, "Work Flow"

 .

NG

>> Repair harness between data link connector and BCM.

BCM Circuit Check

AKS006SW

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.

25 (L) - 26 (Y) 

: Approx. 54 - 66

Ω

SKIA5023E

6 (L) - 14 (Y) 

: Approx. 54 - 66

Ω

PKIA2077E