Nissan Murano Z50 (2003 year). Manual - part 191

LAN-670

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 3

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

LAN-

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

 .

PKIB0868E

SKIA5372E

CAN SYSTEM (TYPE 20)

LAN-671

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 4

Check ECM circuit. Refer to 

LAN-684, "ECM Circuit Check"

 .

PKIB0869E

SKIA5373E

LAN-672

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 5

Check TCM circuit. Refer to 

LAN-684, "TCM Circuit Check"

 .

PKIB0870E

SKIA5374E

CAN SYSTEM (TYPE 20)

LAN-673

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 6

Check display unit circuit. Refer to 

LAN-685, "Display Unit Circuit Check"

 .

PKIB0871E

SKIA5375E

LAN-674

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 7

Check data link connector circuit. Refer to 

LAN-685, "Data Link Connector Circuit Check"

 .

PKIB0872E

SKIA5376E

CAN SYSTEM (TYPE 20)

LAN-675

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

Revision; 2004 April

2003 Murano

Case 8

Check BCM circuit. Refer to 

LAN-686, "BCM Circuit Check"

 .

PKIB0873E

SKIA5377E

LAN-676

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 9

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

LAN-686, "Unified Meter and A/C Amp. Circuit Check"

 .

PKIB0874E

SKIA5378E

CAN SYSTEM (TYPE 20)

LAN-677

[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-687, "Driver Seat Control Unit Circuit Check"

 .

PKIB0875E

SKIA5379E

LAN-678

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 11

Check AWD control unit circuit. Refer to 

LAN-687, "AWD Control Unit Circuit Check"

 .

PKIB0876E

SKIA5380E

CAN SYSTEM (TYPE 20)

LAN-679

[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-688, "ABS Actuator and Electric Unit

(Control Unit) Circuit Check"

 .

PKIB0877E

SKIA5381E

LAN-680

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Case 13

Check IPDM E/R circuit. Refer to 

LAN-688, "IPDM E/R Circuit Check"

 .

Case 14

Check CAN communication circuit. Refer to 

LAN-689, "CAN Communication Circuit Check"

 .

PKIB0878E

SKIA5382E

PKIB0879E

CAN SYSTEM (TYPE 20)

LAN-681

[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-693, "IPDM E/R Ignition Relay

Circuit Check"

 .

Case 16

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

LAN-693, "IPDM E/R Ignition Relay

Circuit Check"

 .

PKIB0880E

PKIB0881E

LAN-682

[CAN]

CAN SYSTEM (TYPE 20)

Revision; 2004 April

2003 Murano

Circuit Check Between TCM and Data Link Connector

AKS0071J

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-664, "Work Flow"

 .

NG

>> Repair harness.

Circuit Check Between Data Link Connector and Driver Seat Control Unit

AKS0071K

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 20)

LAN-683

[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

LAN-664, "Work Flow"

 .

NG

>> Repair harness.

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

AKS0071L

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-684

[CAN]

CAN SYSTEM (TYPE 20)

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-664, "Work Flow"

 .

NG

>> Repair harness.

ECM Circuit Check

AKS0071M

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

AKS0071N

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 20)

LAN-685

[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 Unit Circuit Check

AKS0071O

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF.

2.

Disconnect the negative battery terminal.

3.

Check terminals and connector of display unit for damage, bend and loose connection (unit side and har-
ness side).

OK or NG

OK

>> GO TO 2.

NG

>> Repair terminal or connector.

2. 

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect display unit connector.

2.

Check resistance between display unit harness connector M39
terminals 14 (L) and 16 (Y).

OK or NG

OK

>> Replace display unit.

NG

>> Repair harness between display unit and data link con-

nector.

Data Link Connector Circuit Check

AKS0071P

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

14 (L) - 16 (Y) 

: Approx. 54 - 66

Ω

SKIA5018E