Nissan Murano Z51. Manual — part 1246
DIAGNOSIS SYSTEM (BCM)
SEC-31
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
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ACTIVE TEST
Monitor item
Content
CONFRM ID ALL
Indicates [YET] at all time.
Switch to [DONE] when a registered Intelligent Key is inserted into the key slot.
CONFIRM ID4
CONFIRM ID3
CONFIRM ID2
CONFIRM ID1
TP 4
Indicates the number of ID which has been registered.
TP 3
TP 2
TP 1
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
Test item
Description
THEFT IND
This test is able to check security indicator lamp operation.
The lamp will be turned on when “ON” on CONSULT-III screen touched.
SEC-32
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1000 CAN COMM CIRCUIT
DTC/CIRCUIT DIAGNOSIS
U1000 CAN COMM CIRCUIT
BCM
BCM : Description
INFOID:0000000005515471
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-27, "CAN Communication Signal Chart"
BCM : DTC Logic
INFOID:0000000005515472
DTC DETECTION LOGIC
BCM : Diagnosis Procedure
INFOID:0000000005515473
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result”.
Is “U1000: CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-17, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-39, "Intermittent Incident"
.
IPDM E/R
IPDM E/R : Description
INFOID:0000000005515474
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-27, "CAN Communication Signal Chart"
IPDM E/R : DTC Logic
INFOID:0000000005515475
DTC DETECTION LOGIC
IPDM E/R : Diagnosis Procedure
INFOID:0000000005515476
1.
PERFORM SELF DIAGNOSTIC
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When BCM cannot communicate CAN com-
munication signal continuously for 2 seconds
or more.
CAN communication system
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN
communication signal continuously for 2
seconds or more
CAN communication system
U1000 CAN COMM CIRCUIT
SEC-33
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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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-17, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-39, "Intermittent Incident"
.
SEC-34
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
BCM
BCM : DTC Logic
INFOID:0000000005515477
DTC DETECTION LOGIC
BCM : Diagnosis Procedure
INFOID:0000000005515478
1.
REPLACE BCM
When DTC “U1010: CONTROL UNIT (CAN)” is detected, replace BCM.
>> Replace BCM. Refer to
BCM : Special Repair Requirement
INFOID:0000000005515479
1.
REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to CONSULT-III operation manual NATS-IVIS/NVIS.
>> Work end.
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
BCM detected internal CAN communication circuit malfunction.
BCM
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