Nissan Murano Z50 (2005 year). Manual

CAN SYSTEM (TYPE 4)

LAN-173

[CAN]

LAN

Revision: 2005 August

2005 Murano

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect harness connector B4.

Check continuity between harness connector B2 terminals 1 (L),
13 (Y) and harness connector B4 terminals 4 (L), 10 (Y).

OK or NG

>> GO TO 3.

>> Repair harness.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect ABS actuator and electric unit (control unit) connector.

Check continuity between harness connector E105 terminals 4
(L), 10 (Y) and ABS actuator and electric unit (control unit) har-
ness connector E24 terminals 11 (L), 15 (Y).

OK or NG

>> Connect all the connectors and diagnose again. Refer to

LAN-7, "TROUBLE DIAGNOSES WORK FLOW"

>> Repair harness.

ECM Circuit Inspection

AKS00CKH

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check terminals and connector of ECM for damage, bend and loose connection (control module side and
harness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect ECM connector.

Check resistance between ECM harness connector M80 termi-
nals 94 (L) and 86 (Y).

OK or NG

>> Replace ECM.

>> Repair harness between ECM and BCM.

1 (L) - 4 (L)

: Continuity should exist.

13 (Y) - 10 (Y)

: Continuity should exist.

PKIB5308E

4 (L) - 11 (L)

: Continuity should exist.

10 (Y) - 15 (Y)

: Continuity should exist.

PKIB5309E

94 (L) - 86 (Y)

: Approx. 108 - 132

Ω

SKIA6865E

LAN-174

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

Intelligent Key Unit Circuit Inspection

AKS00CKI

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check terminals and connector of Intelligent Key unit for damage, bend and loose connection (control
module side and harness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect Intelligent Key unit connector.

Check resistance between Intelligent Key unit harness connec-
tor M99 terminals 2 (L) and 3 (Y).

OK or NG

>> Replace Intelligent Key unit.

>> Repair harness between Intelligent Key unit and BCM.

TCM Circuit Inspection

AKS00CKJ

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect TCM connector.

Check resistance between TCM harness connector F103 termi-
nals 5 (L) and 6 (Y).

OK or NG

>> Replace TCM.

>> Repair harness between TCM and BCM.

2 (L) - 3 (Y)

: Approx. 54 - 66

Ω

PKIB5312E

5 (L) - 6 (Y)

: Approx. 54 - 66

Ω

PKIB5313E

CAN SYSTEM (TYPE 4)

LAN-175

[CAN]

LAN

Revision: 2005 August

2005 Murano

Low Tire Pressure Warning Control Unit Circuit Inspection

AKS00CKK

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect low tire pressure warning control unit connector.

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

OK or NG

>> Replace low tire pressure warning control unit.

>> Repair harness between low tire pressure warning con-

trol unit and BCM.

BCM Circuit Inspection

AKS00CKL

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check terminals and connector of BCM for damage, bend and loose connection (control module side and
harness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect BCM connector.

Check resistance between BCM harness connector M34 termi-
nals 39 (L) and 40 (Y).

OK or NG

>> Replace BCM. Refer to

BCS-16, "Removal and Installa-

tion of BCM"

>> Repair harness between BCM and harness connector

M82.

9 (L) - 21 (Y)

: Approx. 54 - 66

Ω

SKIA6885E

39 (L) - 40 (Y)

: Approx. 54 - 66

Ω

PKIB5314E

LAN-176

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

Display Unit Circuit Inspection

AKS00CKM

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect display unit connector.

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

OK or NG

>> Replace display unit.

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

nector.

Data Link Connector Circuit Inspection

AKS00CKN

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check data link connector and terminals for damage, bend and loose connection (connector side and har-
ness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Check resistance between data link connector M24 terminals 6 (L)
and 14 (Y).

OK or NG

>> Diagnose again. Refer to

LAN-7, "TROUBLE DIAG-

NOSES WORK FLOW"

>> Repair harness between data link connector and unified

meter and A/C amp.

14 (L) - 16 (Y)

: Approx. 54 - 66

Ω

SKIA6867E

6 (L) - 14 (Y)

: Approx. 54 - 66

Ω

SKIA6868E

CAN SYSTEM (TYPE 4)

LAN-177

[CAN]

LAN

Revision: 2005 August

2005 Murano

Unified Meter and A/C Amp. Circuit Inspection

AKS00CKO

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect unified meter and A/C amp. connector.

Check resistance between unified meter and A/C amp. harness
connector M49 terminals 1 (L) and 11 (Y).

OK or NG

>> Replace unified meter and A/C amp.

>> Repair harness between unified meter and A/C amp.

and data link connector.

Steering Angle Sensor Circuit Inspection

AKS00CKP

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check terminals and connector of steering angle sensor for damage, bend and loose connection (sensor
side and harness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect steering angle sensor connector.

Check resistance between steering angle sensor harness con-
nector M33 terminals 4 (L) and 5 (Y).

OK or NG

>> Replace steering angle sensor.

>> Repair harness between steering angle sensor and data

link connector.

1 (L) - 11 (Y)

: Approx. 54 - 66

Ω

SKIA6871E

4 (L) - 5 (Y)

: Approx. 54 - 66

Ω

SKIA6870E

LAN-178

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

Driver Seat Control Unit Circuit Inspection

AKS00CKQ

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect driver seat control unit connector.

Check resistance between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).

OK or NG

>> Replace driver seat control unit.

>> Repair harness between driver seat control unit and har-

ness connector B4.

ABS Actuator and Electric Unit (Control Unit) Circuit Inspection

AKS00CKR

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

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

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect ABS actuator and electric unit (control unit) connector.

Check resistance between ABS actuator and electric unit (con-
trol unit) harness connector E24 terminals 11 (L) and 15 (Y).

OK or NG

>> Replace ABS actuator and electric unit (control unit).

>> Repair harness between ABS actuator and electric unit

(control unit) and IPDM E/R.

3 (L/Y) - 19 (BR/W)

: Approx. 54 - 66

Ω

PKIB5315E

11 (L) - 15 (Y)

: Approx. 54 - 66

Ω

PKIB5316E

CAN SYSTEM (TYPE 4)

LAN-179

[CAN]

LAN

Revision: 2005 August

2005 Murano

IPDM E/R Circuit Inspection

AKS00CKS

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check terminals and connector of IPDM E/R for damage, bend and loose connection (control module side
and harness side).

OK or NG

>> GO TO 2.

>> Repair terminal or connector.

CHECK HARNESS FOR OPEN CIRCUIT

Disconnect IPDM E/R connector.

Check resistance between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).

OK or NG

>> Replace IPDM E/R.

>> Repair harness between IPDM E/R and ABS actuator

and electric unit (control unit).

CAN Communication Circuit Inspection

AKS00CKT

CHECK CONNECTOR

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Check following terminals and connectors for damage, bend and loose connection (control module side,
control unit side, unit side, meter side, sensor side and harness side).

–

ECM

–

Intelligent Key unit

–

TCM

–

Low tire pressure warning control unit

–

BCM

–

Display unit

–

Unified meter and A/C amp.

–

Steering angle sensor

–

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

>> GO TO 2.

>> Repair terminal or connector.

48 (L) - 49 (Y)

: Approx. 108 - 132

Ω

PKIB5317E

LAN-180

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect following connectors.

–

ECM connector

–

Intelligent Key unit connector

–

Harness connector M82

–

Low tire pressure warning control unit connector

–

BCM connector

–

Display unit connector

–

Unified meter and A/C amp. connector

–

Steering angle sensor connector

–

Harness connector M9

Check continuity between data link connector M24 terminals 6
(L) and 14 (Y).

OK or NG

>> GO TO 3.

>> 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 Intelligent
Key unit

●

Harness between data link connector and harness connector M82

●

Harness between data link connector and low tire pressure warning control unit

●

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 steering angle sensor

●

Harness between data link connector and harness connector M9

6 (L) - 14 (Y)

: Continuity should not exist.

SKIA6868E

CAN SYSTEM (TYPE 4)

LAN-181

[CAN]

LAN

Revision: 2005 August

2005 Murano

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between data link connector M24 terminals 6 (L),
14 (Y) and ground.

OK or NG

>> GO TO 4.

>> 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 Intelligent
Key unit

●

Harness between data link connector and harness connector M82

●

Harness between data link connector and low tire pressure warning control unit

●

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 steering angle sensor

●

Harness between data link connector and harness connector M9

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect TCM connector.

Check continuity between TCM harness connector F103 termi-
nals 5 (L) and 6 (Y).

OK or NG

>> GO TO 5.

>> Repair harness between TCM and harness connector

F102.

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between TCM harness connector F103 terminals 5
(L), 6 (Y) and ground.

OK or NG

>> GO TO 6.

>> 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

LAN-182

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect harness connector B4 and harness connector B9.

Check continuity between harness connector B4 terminals 4 (L)
and 10 (Y).

OK or NG

>> GO TO 7.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between harness connector B4 and harness
connector B2

●

Harness between harness connector B4 and harness
connector B9

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between harness connector B4 terminals 4 (L), 10
(Y) and ground.

OK or NG

>> GO TO 8.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between harness connector B4 and harness
connector B2

●

Harness between harness connector B4 and harness connector B9

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect driver seat control unit connector.

Check continuity between driver seat control unit harness con-
nector B303 terminals 3 (L/Y) and 19 (BR/W).

OK or NG

>> GO TO 9.

>> Repair harness between driver seat control unit and har-

ness connector B301.

4 (L) - 10 (Y)

: Continuity should not exist.

PKIB5320E

4 (L) - Ground

: Continuity should not exist.

10 (Y) - Ground

: Continuity should not exist.

PKIB5321E

3 (L/Y) - 19 (BR/W)

: Continuity should not exist.

PKIB5315E

CAN SYSTEM (TYPE 4)

LAN-183

[CAN]

LAN

Revision: 2005 August

2005 Murano

CHECK HARNESS FOR SHORT CIRCUIT

Check continuity between driver seat control unit harness connector
B303 terminals 3 (L/Y), 19 (BR/W) and ground.

OK or NG

>> GO TO 10.

>> Repair harness between driver seat control unit and har-

ness connector B301.

10.

CHECK HARNESS FOR SHORT CIRCUIT

Disconnect ABS actuator and electric unit (control unit) connector and IPDM E/R connector.

Check continuity between IPDM E/R harness connector E9 ter-
minals 48 (L) and 49 (Y).

OK or NG

>> GO TO 11.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit)

●

Harness between IPDM E/R and harness connector
E105

11.

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

>> GO TO 12.

>> Check the following harnesses. If any harness is dam-

aged, repair the harness.

●

Harness between IPDM E/R and ABS actuator and
electric unit (control unit)

●

Harness between IPDM E/R and harness connector E105

3 (L/Y) - Ground

: Continuity should not exist.

19 (BR/W) - Ground

: Continuity should not exist.

PKIB5322E

48 (L) - 49 (Y)

: Continuity should not exist.

PKIB5317E

48 (L) - Ground

: Continuity should not exist.

49 (Y) - Ground

: Continuity should not exist.

PKIB5323E

LAN-184

[CAN]

CAN SYSTEM (TYPE 4)

Revision: 2005 August

2005 Murano

12.

CHECK ECM AND IPDM E/R INTERNAL CIRCUIT

Remove ECM and IPDM E/R from vehicle.

Check resistance between ECM terminals 94 and 86.

Check resistance between IPDM E/R terminals 48 and 49.

OK or NG

>> GO TO 13.

>> Replace ECM and/or IPDM E/R.

13.

CHECK SYMPTOM

Fill in described symptoms on the column “Symptom” in the check sheet.

Connect all the connectors, and then make sure that the symptom is reproduced.

OK or NG

>> GO TO 14.

>> Refer to

LAN-17, "Example of Filling in Check Sheet When Initial Conditions Are Not Reproduced"

14.

CHECK UNIT REPRODUCIBILITY

Perform the following procedure for each unit, and then perform reproducibility test.

Turn ignition switch OFF.

Disconnect the battery cable from the negative terminal.

Disconnect the unit connector.

Connect the battery cable to the negative terminal.

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.)

Make sure that the same symptom is reproduce.

–

Intelligent Key unit

–

TCM

–

Low tire pressure warning control unit

–

BCM

–

Display unit

–

Unified meter and A/C amp.

–

Steering angle sensor

–

Driver seat 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

AKS00CKU

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”

AND/OR “START”"

94 - 86

: Approx. 108 – 132

Ω

48 - 49

: Approx. 108 – 132

Ω

LKIA0037E

CAN SYSTEM (TYPE 5)

LAN-185

[CAN]

LAN

Revision: 2005 August

2005 Murano

CAN SYSTEM (TYPE 5)

PFP:23710

Component Parts and Harness Connector Location

AKS00AEI

PKIB6918E

Nissan Murano Z50 (2005 year). Manual - part 160