Nissan Murano: Security Control System :: Dtc/circuit Diagnosis / 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. |
| Signal (terminal) |
— |
| Threshold |
The ID verification results between BCM and ECM are not good |
| Diagnosis delay time |
— |
POSSIBLE CAUSE
FAIL-SAFE
—
DTC Confirmation Procedure
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.
Diagnosis Procedure
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.
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...
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:
WARNING
Overloading or improper loading of a
trailer and its cargo can adversely affect
vehicle handling, braking and performance
and may lead to accidents.
CAUTION
Do not tow a trailer or haul a heavy
load for the first 500 miles (805 km).
Your engine, axle or other parts could
be damaged...
Symptom Table
SYSTEM — BASIC ENGINE CONTROL SYSTEM SYMPTOM Reference page
HARD/NO START/RESTART (EXCP. HA) ENGINE STALL HESITATION/SURGING/FLAT SPOT SPARK KNOCK/DETONATION LACK OF POWER/POOR ACCELERATION HIGH IDLE/LOW IDLE ROUGH IDLE/HUNTING IDLING VIBRATION SLOW/NO RETURN TO IDLE OVERHEATS/WATER TEMPERATURE HIGH EXCESSIVE FUEL CONSUMPTION EXCESSIVE OIL CONSUMPTION BATTERY DEAD (UNDER CHARGE)
Warranty symptom code AA AB AC AD AE AF AG AH AJ AK AL AM HA
Fuel
Fuel pump circuit
1
1
2
3
2
2
2
3
2
Diagnosis Procedure
Fuel pressure regulator system
3
3
4
4
4
4
4
4
4
4
Work Procedure
Fuel injector circuit
1
1
2
3
2
2
2
2
Component Function Check
Evaporative emission system
3
3
4
4
4
4
4
4
4
4
System Description
Air
Positive crankcase ventilation system
3
3
4
4
4
4
4
4
4
4
1
Positive Crankcase Ventilation (PCV)
Incorrect idle speed adjustment
1
1
1
1
1
Work Procedure
Electric throttle control actuator
1
1
2
3
3
2
2
2
2
2
2
DTC Description, DTC Description
Ignition
Incorrect ignition timing adjustment
3
3
1
1
1
1
1
1
Work Procedure
Ignition circuit
1
1
2
2
2
2
2
2
Component Function Check
Power supply and ground circuit
2
2
3
3
3
3
3
2
3
Diagnosis Procedure
Mass air flow sensor circuit
1
1
2
2
2
2
2
2
DTC Description, DTC Description
Engine coolant temperature sensor circuit
3
3
3
DTC Description, DTC Description
Air fuel ratio (A/F) sensor 1 circuit
DTC Description, DTC Description, DTC Description, DTC Description, DTC Description
Throttle position sensor circuit
2
2
DTC Description, DTC Description, DTC Description, DTC Description, DTC Description
Accelerator pedal position sensor circuit
3
2
1
DTC Description, DTC Description, DTC Description, DTC Description
Knock sensor circuit
2
3
DTC Description
Engine oil temperature sensor
4
2
3
DTC Description, DTC Description
Crankshaft position sensor (POS) circuit
2
2
DTC Description
Camshaft position sensor (PHASE) circuit
3
2
DTC Description
Nissan Murano Vehicle speed signal circuit
2
3
3
3
DTC Description
ECM
2
2
3
3
3
3
3
3
3
3
3
DTC Description, DTC Description
Intake valve timing control solenoid valve circuit
3
2
1
3
2
2
3
3
DTC Description
Intake valve timing intermediate lock control solenoid valve circuit
DTC Description
Exhaust valve timing control solenoid valve
3
2
1
3
2
2
3
3
DTC Description
PNP signal circuit
3
3
3
3
3
DTC Description
VIAS control solenoid valve 1 circuit
1
DTC Description
VIAS control solenoid valve 2 circuit
1
DTC Description
Refrigerant pressure sensor circuit
2
3
3
4
Component Function Check
Electrical load signal circuit
3
Component Function Check
Air conditioner circuit
2
2
3
3
3
3
3
3
3
3
2
Work Flow
ABS actuator and electric unit (control unit)
4
Work Flow
1 - 6: The numbers refer to the order of inspection...