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:
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen terms
(Trouble diagnosis content) DTC detection condition
U1A0E
SOS SWITCH ON STUCK
(SOS switch ON stuck)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
SOS switch signal
Threshold
Continue being turned ON
Diagnosis delay time
10 seconds or more
POSSIBLE CAUSE
Harness or connectors
Telematics switch
TCU
FAIL-SAFE
Telematics system does not function (Only SOS call does not operate)
Telematics switch LED indicator is turned OFF
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
Children should remain in a forward-facing
child restraint with a harness until they
reach the maximum height or weight limit
allowed by the child restraint manufacturer.
Once a child outgrows the height or weight
limit of the harness-equipped forwardfacing
child restraint, NISSAN recommends
that the child be placed in a commercially
available booster seat to obtain proper
seat belt fit...