Nissan March K13. Instruction — part 491
PCS-46
< ECU DIAGNOSIS INFORMATION >
[IPDM E/R (WITHOUT I-KEY)]
IPDM E/R
- The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
×
: Applicable
CONSULT display
Fail-safe
Refer to
No DTC is detected.
further testing
may be required.
—
—
U1000: CAN COMM CIRCUIT
×
B2098: IGN RELAY ON
×
B2099: IGN RELAY OFF
—
PCS
IPDM E/R
PCS-47
< WIRING DIAGRAM >
[IPDM E/R (WITHOUT I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
WIRING DIAGRAM
IPDM E/R
Wiring Diagram
INFOID:0000000005914152
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
配線図待ち
PCS-48
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R (WITHOUT I-KEY)]
U1000 CAN COMM CIRCUIT
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000006025255
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-23, "CAN COMMUNICATION SYSTEM : CAN Communica-
DTC Logic
INFOID:0000000006025256
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000006025257
1.
PERFORM SELF DIAGNOSTIC
1.
Turn the ignition 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-14, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-33, "Intermittent Incident"
.
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN communi-
cation signal continuously for 2 seconds or more
CAN communication system
PCS
B2098 IGNITION RELAY ON STUCK
PCS-49
< DTC/CIRCUIT DIAGNOSIS >
[IPDM E/R (WITHOUT I-KEY)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
B2098 IGNITION RELAY ON STUCK
Description
INFOID:0000000006025268
The ignition relay integrated in IPDM E/R is operated with ignition switch ON signal from the ignition switch.
DTC Logic
INFOID:0000000006025259
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000006025260
1.
PERFORM SELF DIAGNOSIS
1.
Turn the ignition switch ON.
2.
Erase “Self Diagnostic Result” of IPDM E/R.
3.
Turn the ignition switch OFF, and wait for 1 second or more.
4.
Turn the ignition switch ON. Check “Self Diagnostic Result” again.
Is DTC “B2098” displayed?
YES
>> Replace IPDM E/R. Refer to
PCS-28, "Removal and Installation"
.
NO
>> Refer to
GI-33, "Intermittent Incident"
.
DTC
CONSULT-III dis-
play description
DTC Detection Condition
Possible causes
B2098
IGN RELAY ON
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)
Ignition relay malfunction
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