Nissan Murano Z51. Manual — part 1250
B2192 ID DISCORD, IMMU-ECM
SEC-47
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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B2192 ID DISCORD, IMMU-ECM
Description
INFOID:0000000005515501
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:0000000005515502
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-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515503
1.
PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all Intelligent Keys.
For initialization and registration of Intelligent Key. Refer to “CONSULT-III Operation Manual NATS-IVIS/
NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 2.
2.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-95, "Removal and Installation"
.
2.
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 3.
3.
REPLACE ECM
1.
EC-16, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special
2.
Perform initialization with CONSULT-III.
Can the system be initialized and can the engine be started with re-registered Intelligent Key?
YES
>> INSPECTION END
NO
>> GO TO 4.
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
SEC-48
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2192 ID DISCORD, IMMU-ECM
4.
CHECK INTERMITTENT INCIDENT
GI-39, "Intermittent Incident"
>> INSPECTION END
B2193 CHAIN OF ECM-IMMU
SEC-49
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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B2193 CHAIN OF ECM-IMMU
Description
INFOID:0000000005515504
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:0000000005515505
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-III.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000005515506
1.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-95, "Removal and Installation"
.
2.
Perform initialization with CONSULT-III.
For initialization, refer to “CONSULT-III Operation Manual NATS-IVIS/NVIS”.
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
SEC-50
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
B2195 ANTI-SCANNING
B2195 ANTI-SCANNING
Description
INFOID:0000000005515507
When ignition switch is turned ON, BCM performs ID verification with ECM. If ID verification that is out of the
specified specification is detected, BCM prohibits further ID verification and engine cranking.
DTC Logic
INFOID:0000000005515508
DTC DETECTION LOGIC
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” using CONSULT-III.
Is DTC detected?
YES
>> Refer to
.
NO
>> INSPECTION END.
Diagnosis Procedure
INFOID:0000000005515509
1.
CHECK SELF-DIAGNOSTIC RESULT-1
1.
Perform “Self-diagnostic result” of BCM using CONSULT-III.
2.
Erase DTC.
3.
Perform DTC Confirmation Procedure. Refer to
Is DTC 2195 detected?
YES
>> GO TO 2.
NO
>> INSPECTION END
2.
CHECK EQUIPMENT OF THE VEHICLE
Check that unspecified accessory part related to engine start is not installed.
Is unspecified accessory part related to engine start installed?
YES
>> GO TO 3.
NO
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
3.
CHECK SELF-DIAGNOSTIC RESULT-2
1.
Obtain the customers approval to remove unspecified accessory part related to engine start, and then
remove it.
2.
Perform “Self-diagnostic result” of BCM using CONSULT-III.
3.
Erase DTC.
4.
Perform DTC Confirmation Procedure. Refer to
Is DTC 2195 detected?
YES
>> Replace BCM. Refer to
BCS-95, "Removal and Installation"
NO
>> INSPECTION END
DTC No.
Trouble diagnosis
name
DTC detecting condition
Possible cause
B2195
ANTI-SCANNING
ID verification between BCM and ECM that is out of
the specified specification is detected
ID verification request out of the
specified specification
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