Nissan Tiida C11. Manual — part 41
BCS-28
< COMPONENT DIAGNOSIS >
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
Description
INFOID:0000000001451482
LAN-33, "CAN Communication Signal Chart"
DTC Logic
INFOID:0000000001451483
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001451484
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result” of BCM.
Is “CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-22, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-55, "Intermittent Incident"
.
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 sec-
onds or more.
Any item (or items) of the following listed below is
malfunctioning in CAN communication system.
• Transmission
• Receiving (ECM)
• Receiving (METER/M&A)
• Receiving (TCM)
• Receiving (MULTI AV)
• Receiving (IPDM E/R)
• Receiving (I-KEY)
BCS
U1010 CONTROL UNIT (CAN)
BCS-29
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
U1010 CONTROL UNIT (CAN)
DTC Logic
INFOID:0000000001451485
DTC DETECTION LOGIC
Diagnosis Procedure
INFOID:0000000001451486
1.
REPLACE BCM
When “DTC:U1010” is detected, replace BCM.
>> Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
Special Repair Requirement
INFOID:0000000001451487
1.
ADDITIONAL SERVICE WHEN REPLACING BCM
>> Refer to
BCS-3, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
When detecting error during the initial diagnosis of CAN control-
ler of BCM.
BCM
BCS-30
< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
POWER SUPPLY AND GROUND CIRCUIT
Diagnosis Procedure
INFOID:0000000001451488
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not fusing.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3
NO
>> Repair or replace harness.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair or replace harness.
Terminal No.
Signal name
Fuses and fusible link No.
22
Battery power supply
9 (10A)
72
8 (10A)
74
G (40A)
79
24
Ignition power supply
55 (10A)
Terminals
Ignition switch position
(+)
(
−
)
BCM
OFF
ACC
ON
Connector
Terminal
M18
22
Ground
Battery
voltage
Battery
voltage
Battery
voltage
24
Approx.
0 V
Approx.
0 V
Battery
voltage
M20
72
Battery
voltage
Battery
voltage
Battery
voltage
74
79
ALMIA0188ZZ
BCM
Ground
Continuity
Connector
Terminal
M18
2
Yes
M20
70
ALMIA0189ZZ
BCS
COMBINATION SWITCH INPUT CIRCUIT
BCS-31
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
COMBINATION SWITCH INPUT CIRCUIT
Diagnosis Procedure
INFOID:0000000001451489
1.
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
1.
Turn ignition switch OFF.
2.
Disconnect BCM and combination switch.
3.
Check continuity between BCM harness connector and combi-
nation switch harness connector.
Does continuity exist?
YES
>> GO TO 2
NO
>> Repair or replace harness.
2.
CHECK INPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair or replace harness.
NO
>> GO TO 3
3.
CHECK BCM OUTPUT VOLTAGE
1.
Connect BCM.
2.
Turn ignition switch ON.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
System
BCM
Combination switch
Continuity
Connector
Terminal
Connector
Terminal
INPUT 1
M20
(A)
9
M28
(B)
1
Yes
INPUT 2
28
2
INPUT 3
8
3
INPUT 4
27
4
INPUT 5
7
5
ALMIA0190ZZ
System
BCM
Ground
Continuity
Connector
Terminal
INPUT 1
M20
9
No
INPUT 2
28
INPUT 3
8
INPUT 4
27
INPUT 5
7
ALMIA0191ZZ
System
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
INPUT 1
M20
9
Refer to
.
INPUT 2
28
INPUT 3
8
INPUT 4
27
INPUT 5
7
ALMIA0192ZZ
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