Nissan Leaf. Manual - part 985

PCS

IPDM E/R

PCS-23

< WIRING DIAGRAM >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

AAMIA2435GB

PCS-24

< WIRING DIAGRAM >

[IPDM E/R]

IPDM E/R

AAMIA2436GB

PCS

U1000 CAN COMM CIRCUIT

PCS-25

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

Description

INFOID:0000000010120293

CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-

tiplex communication line with high data communication speed and excellent error detection ability. Modern

vehicle is equipped with many electronic control unit, and each control unit shares information and links with

other control units during operation (not independent). In CAN communication, control units are connected

with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less

wiring. Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Signal Chart. Refer to 

LAN-37, "CAN COMMUNICATION SYSTEM : CAN Communica-

tion Signal Chart"

.

DTC Logic

INFOID:0000000010120294

DTC DETECTION LOGIC

Diagnosis Procedure

INFOID:0000000010120295

1.

PERFORM SELF DIAGNOSTIC

1. Turn the power switch ON and wait for 2 seconds or more.

2. Check Self Diagnostic Result of IPDM E/R.
Is DTC U1000 displayed?

YES

>> Refer to 

LAN-17, "Trouble Diagnosis Flow Chart"

.

NO

>> Refer to 

GI-53, "Intermittent Incident"

.

CONSULT Display

DTC Detection Condition

Possible Cause

CAN COMM CIRCUIT
[U1000]

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

CAN communication system

PCS-26

< DTC/CIRCUIT DIAGNOSIS >

[IPDM E/R]

B2098 IGNITION RELAY ON STUCK

B2098 IGNITION RELAY ON STUCK

DTC Logic

INFOID:0000000010120297

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 B2098 displayed?

YES

>> Refer to 

PCS-26, "Diagnosis Procedure"

.

NO

>> Inspection End.

Diagnosis Procedure

INFOID:0000000010120298

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-29, "Removal and Installation"

.

NO

>> Refer to 

GI-53, "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 exci-
tation coil circuits of the ignition relay inside it)

IPDM E/R