Nissan Rogue. Manual - part 948

PCS-38

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R]

B20DE IGNITION RELAY OFF CIRCUIT

B20DE IGNITION RELAY OFF CIRCUIT

DTC Logic

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DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION

1. Turn ignition switch ON.

2. Turn ignition switch OFF and wait 1 second or more.

3. Turn ignition switch ON.

4. Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is DTC B20DE displayed?

YES

>> Refer to 

PCS-38, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

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1.

 PERFORM SELF DIAGNOSTIC RESULT

Perform “Self Diagnostic Result” of “IPDM E/R” using CONSULT.
Is display history of DTC B20DE CRNT?

YES

>> Replace IPDM E/R. Refer to 

PCS-40, "Removal and Installation"

.

NO

>> Refer to 

GI-44, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

IGN RELAY OFF
[B20DE]

The ignition relay OFF is detected for 1 second at 
ignition switch ON (CPU monitors the status at 
the contact and excitation coil circuits of the igni-
tion relay inside it).

IPDM E/R

PCS

POWER SUPPLY AND GROUND CIRCUIT

PCS-39

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

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Regarding Wiring Diagram information, refer to 

PCS-25, "Wiring Diagram"

.

1.

 CHECK FUSE AND FUSIBLE LINKS

Check that the following IPDM E/R fuse or fusible links are not blown.

Is the fuse blown?

YES

>> Replace the blown fuse or fusible link after repairing the affected circuit.

NO

>> GO TO 2.

2.

 CHECK BATTERY POWER SUPPLY CIRCUIT

1. Disconnect IPDM E/R connector E118.

2. Check voltage between IPDM E/R connector E118 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

 CHECK GROUND CIRCUIT

1. Disconnect IPDM E/R connectors E119, E120 and E121.

2. Check continuity between IPDM E/R connectors and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fuse and fusible link Nos.

1

Battery power supply

D (80A)

2

C (100A)

IPDM E/R

Ground

Voltage

(Approx.)

Connector

Terminal

E118

1

—

Battery voltage

2

IPDM E/R

Ground

Continuity

Connector

Terminal

E119

12

Yes

E120

31

E121

47

PCS-40

< REMOVAL AND INSTALLATION >

[IPDM E/R]

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

REMOVAL AND INSTALLATION

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

Exploded View

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Removal and Installation

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CAUTION:

IPDM E/R integrated relays are not serviceable parts, do not remove from the IPDM E/R.

REMOVAL

1. Disconnect the negative battery terminal. Refer to 

PG-78, "Removal and Installation (Battery)"

.

2. Remove air duct assembly and air cleaner case duct. Refer to 

EM-26, "Exploded View"

.

1. IPDM E/R cover

2. IPDM E/R

3. IPDM E/R case

4. IPDM E/R harness cover A

5. IPDM E/R harness cover B

Front

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PCS

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

PCS-41

< REMOVAL AND INSTALLATION >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

3. Release pawls on IPDM E/R cover (1) and remove.

: Pawls

4. Release pawls and remove IPDM E/R (1) from the IPDM E/R

case (2).

: Pawls

5. Disconnect the harness connectors from IPDM E/R (1) and

remove.

CAUTION:

Replace the IPDM E/R if it has been dropped or sustained

an impact.

6. Preform the following steps to remove the IPDM E/R case (if necessary). 
a. Release the negative battery cable and harness clips from the IPDM E/R case.
b. Release the pawls on the IPDM/ E/R harness covers A, B and remove from the IPDM E/R case.
c. Remove the bolts from the IPDM E/R case.
d. Remove the bolt (A) from the fusible link box.

e. Disconnect the harness connectors from the fusible link box.

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