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:
-
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.
Work Procedure
PERFORM ECM RECOMMUNICATING FUNCTION
-
Install ECM.
-
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
U1232
ST ANGLE SEN CALIB
(Steering angle sensor calibration)
Diagnosis condition
When ignition switch is ON
Signal (terminal)
—
Threshold
—
Diagnosis delay time
—
POSSIBLE CAUSE
Neutral position adjustment of the steering angle sensor is incomplete
Steering angle sensor
FAIL-SAFEPredictive course line is not displayed
DTC Confirmation Procedure
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON...
WARNING
Listed below are the system limitations
for the RAB system. Failure to follow the
warnings and instructions for proper
use of the RAB system could result in
serious injury or death.
When the vehicle approaches an obstacle
while the accelerator or brake
pedal is depressed, the function may
not operate or the start of operation
may be delayed...