Nissan Murano. Instruction — part 1237
B2191 DIFFERENCE OF KEY
SEC-45
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
B2191 DIFFERENCE OF KEY
Description
INFOID:0000000009722738
Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed.
Prohibits the release of steering lock (models with steering lock unit) or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
INFOID:0000000009722739
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Press the push-button ignition switch
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009722740
1.
PERFORM INITIALIZATION
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE INTELLIGENT KEY
1.
Replace Intelligent Key.
2.
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
B2191
DIFFERENCE OF KEY
The ID verification result between BCM and Intelligent Key
is NG. The registration is necessary.
Intelligent Key
SEC-46
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
B2192 ID DISCORD, IMMU-ECM
Description
INFOID:0000000009722741
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC Logic
INFOID:0000000009722742
DTC DETECTION LOGIC
NOTE:
• If DTC B2192 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
.
• If DTC B2192 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 under the following conditions.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009722743
1.
PERFORM INITIALIZATION
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
REPLACE ECM
1.
Replace ECM. Refer to
EC-16, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
2.
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 4.
4.
CHECK INTERMITTENT INCIDENT
GI-44, "Intermittent Incident"
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2192
ID DISCORD, BCM-
ECM
The ID verification result between BCM and ECM is
NG. The registration is necessary.
• BCM
• ECM
B2192 ID DISCORD, IMMU-ECM
SEC-47
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
>> INSPECTION END
SEC-48
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2193 CHAIN OF ECM-IMMU
B2193 CHAIN OF ECM-IMMU
Description
INFOID:0000000009722744
BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if
ignition switch is turned ON.
DTC Logic
INFOID:0000000009722745
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 under the following conditions.
-
Selector lever is in the P or N position.
-
Do not depress brake pedal.
2.
Check “Self diagnostic result” with CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000009722746
1.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-98, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of Intelligent Key using CONSULT.
Does the engine start?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE ECM
Replace ECM. Refer to
EC-16, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
.
>> INSPECTION END
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 shorted)
• BCM
• ECM
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