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
C1B52-17
BSW/BSI IND OPEN CIR
(Blind Spot Warning indicator open circuit)
Diagnosis condition
When ignition switch is ON.
Signal (terminal)
–
Threshold
Open circuit in Blind Spot Warning indicator circuit is detected
Diagnosis delay time
–
POSSIBLE CAUSE
Blind Spot Warning indicator LH circuit
Blind Spot Warning indicator LH
Side radar LH
FAIL-SAFEThe following systems are canceled:
Blind Spot Warning (BSW)
Rear Cross Traffic Alert (RCTA)
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Start the engine...
Diagnosis Procedure
Fuel gauge will not indicate from a certain position.PERFORM COMBINATION METER SELF-DIAGNOSIS MODE
Perform the self-diagnosis mode of combination meter, and then check that the fuel gauge operates normally. Refer to On Board Diagnosis Function...