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.
-
Maintain ignition switch in the ON position for at least 5 seconds.
-
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 item
(Trouble diagnosis content) DTC detected condition
C1154
PNP POSI SIG
(PNP position signal)
Diagnosis condition
When ignition switch ON.
Signal (terminal)
Shift position signal
Threshold
When a malfunction is detected in TCM system...
Reference Value
TERMINAL LAYOUTPHYSICAL VALUES
Terminal No.
(wire color) Description Condition
Voltage
(Approx.)
+ - Signal name Input/Output
1
(LG)
Ground
Tilt switch up signal
Input
Tilt switch
Operate
(up)
0V
Other than above
5V
2
(GR)
Ground
Select switch RH signal
Input
Select switch position
RH
0V
Neutral or LH
5V
3
(G)
Ground
Mirror switch up signal
Input
Mirror switch
Operated
(up)
0V
Other than above
5V
4
(P)
Ground
Mirror switch left signal
Input
Mirror switch
Operated
(left)
0V
Other than above
5V
5
(W)
Ground
Door mirror sensor RH up/down signal
Input
Door mirror RH position
Change between 3...