Nissan Murano: Sonar System :: Basic Inspection / Additional Service When Replacing Sonar Control Unit
Description
BEFORE REPLACEMENT
When replacing sonar control unit, save or print current vehicle specification with CONSULT configuration before replacement.
NOTE:
If “Before Replace ECU” cannot be used, use the “After Replace ECU” or “Manual Configuration” after replacing sonar control unit.
AFTER REPLACEMENT
CAUTION:
When replacing sonar control unit, you must perform “After Replace ECU” with CONSULT.
-
Complete the procedure of “After Replace ECU” in order.
-
If you set incorrect “After Replace ECU”, incidents might occur.
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Configuration is different for each Nissan Murano vehicle model. Confirm configuration of each vehicle model.
Work Procedure
SAVING VEHICLE SPECIFICATION
CONSULT
Enter “Re/Programming, Configuration” and perform “Before Replace ECU” to save or print current Nissan Murano vehicle specification.
NOTE:
If “Before Replace ECU” cannot be used, use the “After Replace ECU” or “Manual Configuration” after replacing sonar control unit.
>>
GO TO 2.
REPLACE SONAR CONTROL UNIT
Replace sonar control unit. Refer to Removal and Installation.
>>
GO TO 3.
WRITING Nissan Murano Vehicle SPECIFICATION
CONSULT
-
Enter "Re/Programming, Configuration".
-
If “Before Replace ECU” operation was performed, an "Operation Log Selection" screen will automatically be displayed. Select the applicable file from the "Saved Data List" and press “Confirm” to write Nissan Murano vehicle specification. Refer to Work Procedure.
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If “Before Replace ECU” operation was not performed, select "After Replace ECU" or "Manual Configuration" to write Nissan Murano vehicle specification. Refer to Work Procedure.
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GO TO 4.
OPERATION CHECK
Check that the operation of the sonar control unit is normal.
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Work End.
Work Flow
OVERALL SEQUENCE
Reference 1: Refer to CONSULT Function.
Reference 2: Refer to DTC Index.
Reference 3: Refer to Symptom Table.
DETAILED FLOWINTERVIEW AND SYMPTOM CONFIRMATION
Check the malfunction symptoms by performing the following items:
Interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred)...
Description
Vehicle specification needs to be written with CONSULT. Configuration has three functions as follows: Function Description
"Before Replace ECU"
Reads the Nissan Murano vehicle configuration of current sonar control unit...
Other information:
Diagnosis Procedure
Back door auto closure function does not operate when back door opening and closing operations are performed.CHECK DTC WITH AUTOMATIC BACK DOOR CONTROL MODULE
Check that DTC is not detected with automatic back door control module.
Is the inspection result normal?
YES>>
GO TO 2...
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...
Categories

The autolight system allows the headlights
to turn on and off automatically. The autolight
system can:
Turn on the headlights, front parking,
tail, license plate and instrument panel
lights automatically when it is dark.
Turn off all the lights (except daylight
running lights) when it is light.
Keep all the lights on for a period of time
after you place the ignition switch in the
OFF position and all doors are closed.
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