Nissan Sentra. Manual - part 668

PCS

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

PCS-25

< WIRING DIAGRAM >

[IPDM E/R (WITH I-KEY)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ABMIA5622GB

PCS-26

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R (WITH I-KEY)]

U1000 CAN COMM CIRCUIT

DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000009755817

Refer to 

LAN-7, "CAN COMMUNICATION SYSTEM : System Description"

.

DTC Logic

INFOID:0000000009755818

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000009755819

1.

 PERFORM SELF DIAGNOSTIC RESULT

1. Turn ignition switch ON and wait for 2 second or more.

2. Check “SELF-DIAG RESULTS” of IPDM E/R.
Is “CAN COMM CIRCUIT” displayed?

YES

>> Refer to 

LAN-16, "Trouble Diagnosis Flow Chart"

.

NO

>> Refer to 

GI-39, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

CAN COMM CIRCUIT
[U1000]

When IPDM E/R cannot communicate with CAN com-
munication signal continuously for 2 seconds or more

In CAN communication system, any item (or items) of 
the following listed below is malfunctioning.
• Transmission
• Receiving (ECM)
• Receiving (BCM)
• Receiving (Combination meter)

PCS

B2098 IGNITION RELAY ON STUCK

PCS-27

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R (WITH I-KEY)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

B2098 IGNITION RELAY ON STUCK

DTC Logic

INFOID:0000000010287287

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn the power supply position to start under the following conditions and wait for at least 1 second.

CVT model

-

CVT selector lever is in the P (Park) or N (Neutral) position.

-

Depress the brake pedal

M/T model

-

Selector lever is in the Neutral position.

-

Depress the clutch pedal

2. Check “Self-diagnostic result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

PCS-27, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010287288

1.

 PERFORM SELF DIAGNOSTIC RESULT

Perform Self Diagnostic Result of IPDM E/R using CONSULT.
Is display history of DTC B2098 CRNT?

YES

>> Replace IPDM E/R. Refer to 

PCS-30, "Removal and Installation"

.

NO

>> Refer to 

GI-39, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

IGN RELAY ON
[B2098]

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

IPDM E/R

PCS-28

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R (WITH I-KEY)]

B2099 IGNITION RELAY OFF STUCK

B2099 IGNITION RELAY OFF STUCK

DTC Logic

INFOID:0000000010287289

DTC DETECTION LOGIC

DTC CONFIRMATION PROCEDURE

1.

PERFORM DTC CONFIRMATION PROCEDURE

1. Turn the power supply position to start under the following conditions and wait for at least 1 second.

CVT model

-

CVT selector lever is in the P (Park) or N (Neutral) position.

-

Depress the brake pedal

M/T model

-

Selector lever is in the Neutral position.

-

Depress the clutch pedal

2. Check “Self-diagnostic result” with CONSULT.
Is DTC detected?

YES

>> Refer to 

PCS-28, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010287290

1.

 PERFORM SELF DIAGNOSTIC RESULT

Perform Self Diagnostic Result of IPDM E/R using CONSULT.
Is display history of DTC B2099 CRNT?

YES

>> Replace IPDM E/R. Refer to 

PCS-30, "Removal and Installation"

.

NO

>> Refer to 

GI-39, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

IGN RELAY OFF
[B2099]

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

IPDM E/R