Nissan Murano Z50 (2007 year). Manual - part 151

 

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Nissan Murano Z50 (2007 year). Manual - part 151

 

 

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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Concept of Auto Active Test

IPDM E/R actuates auto active test mode when it receives door switch signal from BCM via CAN commu-
nication line. Therefore, when auto active test mode is activated successfully, CAN communication
between IPDM E/R and BCM is normal.

If any of systems controlled by IPDM E/R cannot be operated, possible cause can be easily diagnosed
using auto active test.

Diagnosis chart in auto active test mode

Symptom

Inspection contents

Possible cause

Any of front wipers, tail 
and parking lamps, front 
fog lamps, and head 
lamps (Hi, Lo) do not 
operate.

Perform auto active 
test. Does system in 
question operate?

YES

BCM signal input system malfunction

NO

Lamp/wiper motor malfunction

Lamp/wiper motor ground circuit malfunction

Harness/connector malfunction between IPDM E/R and system in 
question

IPDM E/R (integrated relay) malfunction

Rear window defogger 
does not operate.

Perform auto active 
test. Does rear win-
dow defogger oper-
ate?

YES

BCM signal input circuit malfunction

NO

Rear window defogger relay malfunction

Harness/connector malfunction between IPDM E/R and rear window 
defogger relay

Open circuit of rear window defogger

IPDM E/R malfunction

A/C compressor does 
not operate.

Perform auto active 
test. Does magnetic 
clutch operate?

YES

BCM signal input circuit malfunction

CAN communication signal between BCM and ECM.

CAN communication signal between ECM and IPDM E/R

NO

Magnetic clutch malfunction

Harness/connector malfunction between IPDM E/R and magnetic 
clutch

IPDM E/R (integrated relay) malfunction

Cooling fan does not 
operate.

Perform auto active 
test. Does cooling fan 
operate?

YES

ECM signal input circuit

CAN communication signal between ECM and IPDM E/R

NO

Cooling fan motor malfunction

Harness/connector malfunction between IPDM E/R and cooling fan 
motor

IPDM E/R (integrated relay) malfunction

Oil pressure warning 
lamp does not operate.

Perform auto active 
test. Does oil pres-
sure warning lamp 
blink?

YES

Harness/connector malfunction between IPDM E/R and oil pressure 
switch

Oil pressure switch malfunction

IPDM E/R malfunction

NO

CAN communication signal between BCM and unified meter and A/C 
amp.

Combination meter

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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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Schematic

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TKWB2690E

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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IPDM E/R Terminal Arrangement

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CKIB0042E

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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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IPDM E/R Power/Ground Circuit Inspection

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1. 

CHECK FUSES AND FUSIBLE LINKS

Make sure the following fusible links or IPDM E/R fuses are not blown.

OK or NG

OK

>> GO TO 2.

NG

>> Replace fuse or fusible link.

2. 

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect IPDM E/R harness connector E3.

3.

Check voltage between IPDM E/R harness connector E3 termi-
nals 1, 2 and ground.

OK or NG

OK

>> GO TO 3.

NG

>> Repair harness or connector.

3. 

CHECK GROUND CIRCUIT

1.

Disconnect IPDM E/R harness connectors E8 and E9.

2.

Check continuity between IPDM E/R harness connectors E8 ter-
minal 38, E9 terminal 50, 60 and ground.

OK or NG

OK

>> INSPECTION END

NG

>> Repair harness or connector.

Terminal No.

Power source

Fuse and fusible link No.

1, 2

Battery power

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78

1, 2 - Ground

: Battery voltage

PKIB6562E

38, 50, 60 - Ground

: Continuity should exist.

SKIA6184E

IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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Inspection with CONSULT-II (Self-Diagnosis)

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CAUTION:

If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.

1. 

CHECK SELF DIAGNOSTIC RESULT

1.

Connect CONSULT-II and select “IPDM E/R” on “SELECT SYSTEM” screen.

2.

Select “SELF-DIAG RESULTS” on the “SELECT DIAG MODE” screen.

3.

Check display content in self diagnostic results.

NOTE:

The details for display of the period are as follows:

CRNT: Error currently detected with IPDM E/R.

PAST: Error detected in the past and memorized with IPDM E/R.

Contents displayed

NO DTC IS DETECTED. FURTHER TESTING MAY BE REQUIRED.>> INSPECTION END
CAN COMM CIRCUIT>> After print-out of the monitor items, refer to 

LAN-49, "CAN System Specification

Chart"

 .

CONSULT-II display

CONSULT-II 
display code

TIME

Details of diagnosis result

CRNT

PAST

NO DTC IS DETECTED.

FURTHER TESTING MAY BE REQUIRED.

-

-

-

No malfunction

CAN COMM CIRCUIT

U1000

×

×

Any of or several items below have errors.

TRANSMIT DIAG

ECM

BCM/SEC

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IPDM E/R (INTELLIGENT POWER DISTRIBUTION MODULE ENGINE ROOM)

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Removal and Installation of IPDM E/R

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REMOVAL

1.

Remove IPDM E/R cover A and IPDM E/R cover. 

2.

While spreading pawls on both side of IPDM E/R cover B,
remove IPDM E/R from IPDM E/R cover B.

3.

Remove harness connector from IPDM E/R.

INSTALLATION

Installation is the revers order of removal.

SKIA4048E

GROUND

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GROUND 

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Ground Distribution 

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MAIN HARNESS

CKIB0294E

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CKIB0295E

GROUND

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CKIB0296E

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GROUND

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ENGINE ROOM HARNESS 

CKIB0297E

GROUND

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CKIB0309E

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GROUND

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ENGINE CONTROL HARNESS

CKIB0298E

GROUND

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BODY HARNESS

CKIB0300E

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CKIB0301E

GROUND

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BODY NO. 2 HARNESS

CKIB0302E

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HARNESS

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HARNESS 

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Harness Layout 

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HOW TO READ HARNESS LAYOUT

The following Harness Layouts use a map style grid to help locate
connectors on the figures:

Main Harness

Engine Room Harness (Engine Compartment)

Engine Control Harness

Body Harness

To Use the Grid Reference

1.

Find the desired connector number on the connector list.

2.

Find the grid reference.

3.

On the figure, find the crossing of the grid reference letter column and number row.

4.

Find the connector number in the crossing zone.

5.

Follow the line (if used) to the connector.

CONNECTOR SYMBOL
Main symbols of connector (in Harness Layout) are indicated in the below.

SEL252V

CKIT0108E

 

 

 

 

 

 

 

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