Nissan Murano: Security Control System :: Basic Inspection / Additional Service When Replacing Control Unit. Ecm
Description
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 an ECM that has never been energized on-board.
(In this step, initialization procedure by CONSULT is not necessary)
CAUTION:
When replacing the ECM, a new ECM must be used. The functions controlled by the ECM do not operate properly if a ECM from another Nissan Murano vehicle is used.
NOTE:
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If multiple keys are attached to the key holder, separate them before beginning work.
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Distinguish keys with unregistered key IDs from those with registered IDs.
Work Procedure
PERFORM ECM RECOMMUNICATING FUNCTION
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Install ECM.
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Contact back side of registered Intelligent Key* to push-button ignition switch, then place ignition switch ON.
*: To perform this step, use the key that is used before performing ECM replacement.
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Maintain ignition switch in the ON position for at least 5 seconds.
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Ignition switch OFF.
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Check that the engine starts.
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GO TO 2.
PERFORM ADDITIONAL SERVICE WHEN REPLACING ECM
Perform Work Procedure.
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Work End.
Work Flow
OVERALL SEQUENCEDETAILED FLOWGET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs)...
Other information:
Seat Belt Warning Chime
SYSTEM DIAGRAMWARNING OPERATION CONDITIONSFront Seat BeltsIf all of the following conditions are fulfilled: Operation conditions
Ignition switch
ON
Nissan Murano Vehicle speed
Approximately 9.3 mph (15 km/h) or more.
Front seat belt buckle switch LH
Unfastened (front seat belt buckle switch LH ON)
Front seat belt buckle switch RH
Front passenger seat is occupied, seat belt unfastened (front seat belt buckle switch RH ON)...
System Description
SYSTEM DIAGRAMSignal transmission function list Signal name Input Output Description
Climate controlled seat switch operation signal
Climate controlled seat switch LH
Climate controlled seat switch RH
Climate controlled seat control unit LH
Climate controlled seat control unit RH
Transmits the climate controlled seat switch operation signal to the climate controlled seat control unit...