Nissan Tiida C11. Manual — part 1165
SEC-32
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2193, P1612 CHAIN OF ECM-IMMU
B2193, P1612 CHAIN OF ECM-IMMU
Description
INFOID:0000000001404069
BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with
ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from start-
ing if the ID is not registered.
DTC Logic
INFOID:0000000001404070
DTC DETECTION LOGIC
NOTE:
• If DTC B2193 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2193 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001404071
1.
REPLACE BCM
1.
Replace BCM. Refer to
XX-XX, "*****"
.
2.
Perform initialization with CONSULT-III.
For initialization, refer to CONSULT-III Operation Manual.
Does the engine start?
YES
>> BCM was malfunctioning.
NO
>>
ECM is malfunctioning.
• Replace ECM.
• Perform ECM re-communicating function.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2193
CHAIN OF BCM-
ECM
Inactive communication between ECM and BCM
• Harness or connectors
(The CAN communication line is
open or short)
• BCM
• ECM
P1612
B2194 ID DISCORD IMMU-I-KEY
SEC-33
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2194 ID DISCORD IMMU-I-KEY
Description
INFOID:0000000001404072
BCM performs the ID verification with Intelligent Key unit that allows the engine to start. BCM starts the com-
munication with Intelligent Key unit if ignition switch is turned ON and starts the engine if the ID is OK. BCM
prevents the engine from starting if the ID is not registered.
DTC Logic
INFOID:0000000001404073
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000001404074
1.
PERFORM INITIALIZATION
1.
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> GO TO 2.
NO
>> ID was unregistered.
2.
REPLACE BCM
1.
Turn ignition switch OFF.
2.
Replace BCM. Refer to
XX-XX, "*****"
.
3.
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started?
YES
>> BCM is malfunctioning.
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
Refer to @@@.
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2194
DISCORD BCM-I-
KEY
The ID verification results between BCM and Intel-
ligent Key unit are NG. The registration is neces-
sary.
• BCM
• Intelligent Key unit
SEC-34
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2552 INTELLIGENT KEY
B2552 INTELLIGENT KEY
Description
INFOID:0000000001404081
Intelligent key unit performs engine start operation and steering lock control by crosschecking ID with the Intel-
ligent key.
DTC Logic
INFOID:0000000001404082
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000001404083
1.
REPLACE INTELLIGENT KEY UNIT
1.
Replace Intelligent Key unit.
2.
Perform initialization with CONSULT-III. Re-register all mechanical keys. Refer to CONSULT-III Operation
Manual.
3.
Start the engine.
Does the engine start?
YES
>> INSPECTION END
NO
>> Perform “DTC confirmation procedure”. Refer to
.
Special Repair Requirement
INFOID:0000000001404084
1.
REQUIRED WORK WHEN REPLACING INTELLIGENT KEY UNIT
Initialize control unit. Refer to CONSULT-III operation manual.
>> Work end.
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2552
INTELLIGENT KEY
UNIT
Malfunction is detected inside Intelligent
key unit.
Intelligent Key unit
B2590 ID DISCORD BCM-I-KEY
SEC-35
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2590 ID DISCORD BCM-I-KEY
Description
INFOID:0000000001404085
Intelligent Key unit performs the ID verification with BCM that allows the engine to start. BCM starts the engine
if the ID is OK and prevents the engine from starting if the ID is not registered.
DTC Logic
INFOID:0000000001404086
DTC DETECTION LOGIC
NOTE:
• If DTC B2590 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
• If DTC B2590 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check “Self diagnostic result” with CONSULT-III.
Is DTC detected?
YES
>> Refer to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000001404087
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to CONSULT-III Operation Manual.
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES
>> ID was unregistered.
NO
>>
BCM is malfunctioning.
• Replace BCM. Refer to
BCS-57, "Removal and Installation of BCM"
.
• Perform initialization again
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2590
ID DISCORD BCM-I-
KEY
The ID verification results between BCM and Intel-
ligent Key unit are NG. The registration is neces-
sary.
• BCM
• Intelligent Key unit
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