Nissan Murano: Security Control System :: Dtc/circuit Diagnosis / P1612 Chain of Ecm-Immu
DTC DETECTION LOGIC
NOTE:
-
If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description.
-
If DTC P1612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description.
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| P1612 |
CHAIN OF ECM-IMMU (Chain of engine control module - immobilizer unit) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | — | ||
| Threshold | Inactive communication between BCM and ECM | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
-
ECM
-
Harness or connector
(The CAN communication line is open or shorted.)
-
BCM
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.
NOTE:
-
If DTC P1612 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to DTC Description.
-
If DTC P1612 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to DTC Description.
CHECK BCM POWER SUPPLY AND GROUND CIRCUIT.
Check BCM power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 2.
NO>>Repair or replace the harness.
CHECK ECM POWER SUPPLY AND GROUND CIRCUIT.
Check ECM power supply and ground circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace the harness.
PERFORM DTC CONFIRMATION PROCEDURE.
Perform the DTC confirmation procedure. Refer to DTC Confirmation Procedure.
Does the DTC return?
YES>>Replace BCM. Refer to Removal and Installation.
NO>>Inspection End.
P1611 Id Discord, Immu-Ecm
DTC Description
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...
P1614 Chain of Immu-Key
DTC Description
DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC Detection Condition
P1614
CHAIN OF IMMU-KEY
(Chain of immobilizer-key)
Diagnosis condition
When ignition switch ON...
Other information:
Nissan Murano (Z52) 2015-2024 Service Manual: Warning Chime System Symptoms
Symptom Table CAUTION: Perform the self-diagnosis with CONSULT before the symptom diagnosis. Perform the trouble diagnosis if any DTC is detected. Symptom Possible cause Inspection item The light reminder warning does not sound. Harness between BCM and front door switch LH...
Nissan Murano (Z52) 2015-2024 Service Manual: Door Lock
Exploded View 1. Outside handle escutcheon 2. Rear gasket 3. Outside handle bracket 4. Outside handle 5. Front gasket 6. Inside door handle 7. Rear door lock Front Clip Removal and Installation REMOVALRemove the rear door outside handle...
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Luggage hooks
When securing items using luggage hooks located on the back of the seat or side finisher do not apply a load over more than 6.5 lbs. (29 N) to a single hook.
The luggage hooks that are located on the floor should have loads less than 110 lbs. (490 N) to a single hook.
