Nissan Murano: Security Control System :: Dtc/circuit Diagnosis / P1611 Id Discord, Immu-Ecm
DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| P1611 |
ID DISCORD, IMMU-ECM (Identification discord immobilizer-engine control unit) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | — | ||
| Threshold | The ID verification results between BCM and ECM are not good | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
BCM
-
Harness or connectors
(The CAN communication line is open or shorted.)
-
ECM
FAIL-SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
-
Ignition switch ON.
-
Select “Self Diagnostic Result” mode of “ENGINE”.
-
Check DTC.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO>>Inspection End.
PERFORM INITIALIZATION
Perform initialization of BCM and reregistration of all Intelligent Keys. Refer to Work Procedure.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES>>Inspection End.
NO>>GO TO 2.
CHECK SELF DIAGNOSTIC RESULT
CONSULT
-
Select “Self Diagnostic Result” mode of “ENGINE”.
-
Erase DTC.
-
Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to DTC Confirmation Procedure.
Is DTC detected?
YES>>GO TO 3.
NO>>Inspection End.
REPLACE BCM
-
Replace BCM. Refer to Removal and Installation.
-
Perform initialization of BCM and registration of all Intelligent Keys. Refer to Work Procedure.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES>>Inspection End.
NO>>GO TO 4.
REPLACE ECM
-
Replace ECM. Refer to Removal and Installation.
-
Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to Work Procedure.
>>
Inspection End.
P1610 Lock Mode
DTC Description
DTC DETECTION LOGICNOTE:
If DTC P1610 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description...
P1612 Chain of Ecm-Immu
DTC Description
DTC DETECTION LOGICNOTE:
If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Adjustment of Steering Angle Sensor Neutral Position
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Nissan Murano (Z52) 2015-2024 Service Manual: High-Pressure Pipe
Removal and Installation REMOVALDischarge the refrigerant. Refer to Recycle Refrigerant. Remove the power steering oil pump assembly. Refer to Removal and Installation. Remove the washer tank. Refer to Removal and Installation. Remove bolt (A) and disconnect the internal heat exchanger (1) from the high-pressure pipe (3)...
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Unfastening the seat belts. Checking seat belt operation
Unfastening the seat belts
To unfasten the seat belt, press the button
on the buckle 
. The seat belt
automatically
retracts.
