Murano Cross Cabriolet Z51 (2012 year). Manual — part 78
INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION
SEC-31
< WIRING DIAGRAM >
[WITH INTELLIGENT KEY SYSTEM]
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JRKWC1068GB
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-32
< WIRING DIAGRAM >
[WITH INTELLIGENT KEY SYSTEM]
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
Wiring Diagram
INFOID:0000000007563240
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRKWC1071GB
Revision: 2013 February
2012 Murano CrossCabriolet
NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS
SEC-33
< WIRING DIAGRAM >
[WITH INTELLIGENT KEY SYSTEM]
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JRKWC1072GB
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-34
< WIRING DIAGRAM >
[WITH INTELLIGENT KEY SYSTEM]
VEHICLE SECURITY SYSTEM
VEHICLE SECURITY SYSTEM
Wiring Diagram
INFOID:0000000007563241
For connector terminal arrangements, harness layouts, and alphabets in a
(option abbreviation; if not
described in wiring diagram), refer to
GI-12, "Connector Information"
JRKWC1069GB
Revision: 2013 February
2012 Murano CrossCabriolet
VEHICLE SECURITY SYSTEM
SEC-35
< WIRING DIAGRAM >
[WITH INTELLIGENT KEY SYSTEM]
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JRKWC1070GB
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-36
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS AND REPAIR WORK FLOW
BASIC INSPECTION
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
INFOID:0000000007827558
OVERALL SEQUENCE
DETAILED FLOW
JMKIA8652GB
Revision: 2013 February
2012 Murano CrossCabriolet
DIAGNOSIS AND REPAIR WORK FLOW
SEC-37
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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1.
GET INFORMATION ABOUT SYMPTOM
1.
Get detailed information from the customer about the symptom (the condition and the environment when
the incident/malfunction occurs).
2.
Check operation condition of the function that is malfunctioning.
>> GO TO 2.
2.
CHECK DTC
1.
Check DTC.
2.
Perform the following procedure if DTC is detected.
-
Record DTC and freeze frame data (Print them out using CONSULT.)
-
Erase DTC.
-
Study the relationship between the cause detected by DTC and the symptom described by the customer.
3.
Check related service bulletins for information.
Are any symptoms described and any DTC detected?
Symptom is described, DTC is detected>>GO TO 3.
Symptom is described, DTC is not detected>>GO TO 4.
Symptom is not described, DTC is detected>>GO TO 5.
3.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Also study the normal operation and fail-safe related to the symptom.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 5.
4.
CONFIRM THE SYMPTOM
Try to confirm the symptom described by the customer.
Verify relation between the symptom and the condition when the symptom is detected.
>> GO TO 6.
5.
PERFORM DTC CONFIRMATION PROCEDURE
Perform DTC CONFIRMATION PROCEDURE for the detected DTC, and then check that DTC is detected
again. At this time, always connect CONSULT to the vehicle, and check diagnostic results in real time.
If two or more DTCs are detected, refer to
BCS-53, "DTC Inspection Priority Chart"
(BCM), and determine
trouble diagnosis order.
NOTE:
• Freeze frame data is useful if the DTC is not detected.
• Perform Component Function Check if DTC CONFIRMATION PROCEDURE is not included on Service
Manual. This simplified check procedure is an effective alternative though DTC cannot be detected during
this check.
If the result of Component Function Check is NG, it is the same as the detection of DTC by DTC CONFIR-
MATION PROCEDURE.
Is DTC detected?
YES
>> GO TO 7.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
6.
DETECT MALFUNCTIONING SYSTEM BY SYMPTOM DIAGNOSIS
Detect malfunctioning system according to SYMPTOM DIAGNOSIS based on the confirmed symptom in step
4, and determine the trouble diagnosis order based on possible causes and symptom.
YES
>> GO TO 7.
NO
>> Monitor input data from related sensors or check voltage of related module terminals using CON-
SULT.
7.
DETECT MALFUNCTIONING PART BY DIAGNOSIS PROCEDURE
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-38
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
DIAGNOSIS AND REPAIR WORK FLOW
Inspect according to Diagnosis Procedure of the system.
Is malfunctioning part detected?
YES
>> GO TO 8.
NO
>> Check according to
GI-40, "Intermittent Incident"
.
8.
REPAIR OR REPLACE THE MALFUNCTIONING PART
1.
Repair or replace the malfunctioning part.
2.
Reconnect parts or connectors disconnected during Diagnosis Procedure again after repair and replace-
ment.
3.
Check DTC. If DTC is detected, erase it.
>> GO TO 9.
9.
FINAL CHECK
When DTC is detected in step 2, perform DTC CONFIRMATION PROCEDURE, and then check that the mal-
function is repaired securely.
When symptom is described from the customer, refer to confirmed symptom in step 3 or 4, and check that the
symptom is not detected.
Is DTC detected and does symptom remain?
YES-1 >> DTC is detected: GO TO 7.
YES-2 >> Symptom remains: GO TO 4.
NO
>> Before returning the vehicle to the customer, always erase DTC.
Revision: 2013 February
2012 Murano CrossCabriolet
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
SEC-39
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
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ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
ECM
ECM : Description
INFOID:0000000007563243
Performing the following procedure can automatically activate recommunication of ECM and BCM, but only
when the ECM is replaced with a new one*.
*: New one means a virgin ECM that has never been energized on-board.
(In this step, initialization procedure using CONSULT is not necessary)
NOTE:
• When the replaced ECM is not a brand new, the specified procedure (Initialization and registration)
using CONSULT is necessary.
• If multiple keys are attached to the key holder, separate them before beginning work.
• Distinguish keys with unregistered key IDs from those with registered IDs.
ECM : Work Procedure
INFOID:0000000007563244
1.
PERFORM ECM RECOMMUNICATING FUNCTION
1.
Install ECM.
2.
Insert the registered Intelligent key* into key slot, then turn ignition switch ON.
*: To perform this step, use the key that is used before performing ECM replacement.
3.
Maintain ignition switch in the ON position for at least 5 seconds.
4.
Turn power supply position to OFF.
5.
Check that the engine starts.
>> GO TO 2.
2.
PERFORM ADDITIONAL SERVICE WHEN REPLACING ECM
Perform the following procedure,
>> END
BCM
BCM : Description
INFOID:0000000007563245
BEFORE REPLACEMENT
When replacing BCM, save or print current vehicle specification with CONSULT configuration before replace-
ment.
NOTE:
If “READ CONFIGURATION” can not be used, use the “WRITE CONFIGURATION - Manual selection” after
replacing BCM.
AFTER REPLACEMENT
CAUTION:
When replacing BCM, always perform “WRITE CONFIGURATION” with CONSULT. Or not doing so,
BCM control function does not operate normally.
• Complete the procedure of “WRITE CONFIGURATION” in order.
• Configuration is different for each vehicle model. Confirm configuration of each vehicle model.
• If you set incorrect “WRITE CONFIGURATION”, incidents might occur.
NOTE:
When replacing BCM, perform the system initialization (NATS) (if equipped).
BCM : Work Procedure
INFOID:0000000007563246
1.
SAVING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “READ CONFIGURATION” to save or print current vehicle specification. Refer to
.
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-40
< BASIC INSPECTION >
[WITH INTELLIGENT KEY SYSTEM]
ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT
NOTE:
If “READ CONFIGURATION” can not be used, use the “WRITE CONFIGURATION - Manual selection” after
replacing BCM.
>> GO TO 2.
2.
REPLACE BCM
Replace BCM. Refer to
BCS-76, "Removal and Installation"
>> GO TO 3.
3.
WRITING VEHICLE SPECIFICATION
CONSULT Configuration
Perform “WRITE CONFIGURATION - Config file” or “WRITE CONFIGURATION - Manual selection” to write
vehicle specification. Refer to
>> GO TO 4.
4.
INITIALIZE BCM (NATS) (IF EQUIPPED)
Perform BCM initialization. (NATS)
>> WORK END
Revision: 2013 February
2012 Murano CrossCabriolet
P1610 LOCK MODE
SEC-41
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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DTC/CIRCUIT DIAGNOSIS
P1610 LOCK MODE
Description
INFOID:0000000007563247
When the starting operation is carried more than five times consecutively under the following conditions, NATS
will shift to the mode which prevents the engine from being started.
• Unregistered Intelligent Key is used.
• BCM or ECM is malfunctioning.
DTC Logic
INFOID:0000000007563248
DTC DETECTION LOGIC
NOTE:
If DTC P1610 is displayed with other DTC (for BCM or ENGINE), first perform the trouble diagnosis for other
DTC.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “BCM” and “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563249
1.
CHECK ENGINE START FUNCTION
1.
Check that DTC except for DTC P1610 is not detected.
If detected, erase DTC after fixing.
2.
Turn ignition switch OFF.
3.
Insert Intelligent Key into key slot.
4.
Turn ignition switch ON and wait 5 seconds.
5.
Turn ignition switch OFF and wait 5 seconds.
6.
Repeat steps 4 and 5 twice (a total of 3 times).
7.
Check that engine can start.
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1610
LOCK MODE
When the starting operation is carried out 5 times or
more consecutively under the following conditions.
• Unregistered Intelligent Key
• BCM or ECM is malfunctioning.
—
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-42
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
P1611 ID DISCORD, IMMU-ECM
P1611 ID DISCORD, IMMU-ECM
DTC Logic
INFOID:0000000007563250
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563251
1.
PERFORM INITIALIZATION
Perform initialization of BCM and registration of all Intelligent Keys 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.
CHECK SELF DIAGNOSTIC RESULT
1.
Select “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
2.
Erase DTC.
3.
Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to
.
Is DTC detected
YES
>> GO TO 3.
NO
>> INSPECTION END
3.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-76, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys 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.
REPLACE ECM
Replace ECM. Refer to
EC-445, "Removal and Installation"
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1611
ID DISCORD, IMMU-ECM
The ID verification result between BCM and ECM is NG.
• BCM
• ECM
Revision: 2013 February
2012 Murano CrossCabriolet
P1612 CHAIN OF ECM-IMMU
SEC-43
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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P1612 CHAIN OF ECM-IMMU
DTC Logic
INFOID:0000000007563252
DTC DETECTION LOGIC
NOTE:
• If DTC P1612 is displayed with DTC U1000 (BCM), first perform the trouble diagnosis for DTC U1000. Refer
.
• If DTC P1612 is displayed with DTC U1010 (BCM), first perform the trouble diagnosis for DTC U1010. Refer
.
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE
1.
Turn ignition switch ON.
2.
Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563253
1.
REPLACE BCM
1.
Replace BCM. Refer to
BCS-76, "Removal and Installation"
.
2.
Perform initialization of BCM and registration of all Intelligent Keys 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 ECM
EC-445, "Removal and Installation"
>> INSPECTION END
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1612
CHAIN OF ECM-IMMU
Inactive communication between ECM
and BCM
• Harness or connectors
(The CAN communication line is open or
shorted.)
• BCM
• ECM
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-44
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
P1614 CHAIN OF IMMU-KEY
P1614 CHAIN OF IMMU-KEY
DTC Logic
INFOID:0000000007563254
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
PERFORM DTC CONFIRMATION PROCEDURE 1
1.
Insert Intelligent Key into key slot.
2.
Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> GO TO 2.
2.
PERFORM DTC CONFIRMATION PROCEDURE 2
1.
Press push-button ignition switch.
2.
Check DTC in “Self Diagnostic Result” mode of “ENGINE” using CONSULT.
Is DTC detected?
YES
>> Go to
NO
>> INSPECTION END
Diagnosis Procedure
INFOID:0000000007563255
1.
INSPECTION START
Perform inspection in accordance with procedure that confirms DTC.
Which procedure confirms DTC?
DTC CONFIRMATION PROCEDURE 1>>GO TO 2.
DTC CONFIRMATION PROCEDURE 2>>GO TO 6.
2.
CHECK PUSH-BUTTON IGNITION SWITCH OPERATION
Press push-button ignition switch and check if it turns ON.
Does ignition switch turn ON?
YES
>> GO TO 3.
NO
>> GO TO 5.
3.
CHECK KEY SLOT COMMUNICATION SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-108, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK KEY SLOT COMMUNICATION SIGNAL CIRCUIT
DTC No.
Trouble diagnosis name
DTC detecting condition
Possible cause
P1614
CHAIN OF IMMU-KEY
Inactive communication between key
slot and BCM.
• Harness or connectors
(The key slot circuit is open or shorted.)
• Key slot
• BCM
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M99
3
Ground
Battery voltage
Revision: 2013 February
2012 Murano CrossCabriolet
P1614 CHAIN OF IMMU-KEY
SEC-45
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
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1.
Disconnect BCM connector.
2.
Check continuity between key slot harness connector and BCM harness connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
5.
CHECK KEY SLOT GROUND CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
6.
CHECK KEY SLOT INPUT SIGNAL
1.
Turn ignition switch OFF.
2.
Disconnect key slot connector.
3.
Check voltage between key slot harness connector and ground.
Is the inspection result normal?
YES
>> Replace key slot. Refer to
SEC-108, "Removal and Installation"
NO
>> GO TO 7.
7.
CHECK KEY SLOT CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between key slot harness connector and BCM harness connector.
3.
Check continuity between key slot harness connector and ground.
Is the inspection result normal?
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M99
3
M122
81
Existed
Key slot
Ground
Continuity
Connector
Terminal
M99
3
Not existed
Key slot
Ground
Continuity
Connector
Terminal
M99
7
Existed
(+)
(–)
Voltage (V)
(Approx.)
Key slot
Connector
Terminal
M99
2
Ground
Battery voltage
Key slot
BCM
Continuity
Connector
Terminal
Connector
Terminal
M99
2
M122
80
Existed
Key slot
Ground
Continuity
Connector
Terminal
M99
2
Not existed
Revision: 2013 February
2012 Murano CrossCabriolet
SEC-46
< DTC/CIRCUIT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
P1614 CHAIN OF IMMU-KEY
YES
>> GO TO 8.
NO
>> Repair or replace harness or connector.
8.
CHECK INTERMITTENT INCIDENT
GI-40, "Intermittent Incident"
>> INSPECTION END
Revision: 2013 February
2012 Murano CrossCabriolet
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