Nissan Maxima Service and Repair Manual: Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump (fuel level sensor) detects the approximate fuel level in the fuel tank and transmits the fuel level signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
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Select "METER/M&A" on CONSULT.
-
Using "FUEL METER" of "DATA MONITOR", compare the value of DATA MONITOR with fuel gauge pointer of combination meter.
Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-87, "Wiring Diagram".
1.CHECK HARNESS CONNECTOR
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Turn ignition switch OFF.
-
Check combination meter and fuel level sensor unit and fuel pump (fuel level sensor) terminals (meterside and harness-side) for poor connection.
2.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR) CIRCUIT
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Disconnect combination meter connector and fuel level sensor unit and fuel pump (fuel level sensor) connector.
-
Check continuity between combination meter harness connector (A) and fuel level sensor unit and fuel pump (fuel level sensor) harness connector (B).
3. Check continuity between combination meter harness connector (A) and ground.
3.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR) GROUND CIRCUIT
1. Check continuity between combination meter harness connector (A) and fuel level sensor unit and fuel pump (fuel level sensor) harness connector (B).
2. Check continuity between combination meter harness connector (A) and ground.
4.CHECK INSTALLATION CONDITION
Check fuel level sensor unit and fuel pump (fuel level sensor) installation, and check whether the float arm interferes or binds with any of the internal components in the fuel tank.
Component Inspection
1.REMOVE FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR)
Remove the fuel level sensor unit and fuel pump (fuel level sensor). Refer to FL-6, "Removal and Installation".
>> GO TO 2
2.CHECK FUEL LEVEL SENSOR UNIT AND FUEL PUMP (FUEL LEVEL SENSOR)
Check the resistance between terminals 2 and 5.
1* and 2*: When float arm is in contact with stopper.
Power supply and ground circuit
COMBINATION METER
COMBINATION METER : Diagnosis Procedure
Regarding Wiring Diagram information, refer to MWI-87, "Wiring Diagram".
1.CHECK FUSES
Check for blown combination meter fuses.
2.POWER ...
Oil pressure switch signal circuit
Description
Detects the engine oil pressure and transmits the oil
pressure switch signal to the IPDM E/R.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
Select "METER/M&am ...
Other materials:
Remote Engine Start
The button will be on the NISSAN
Intelligent
Key if the vehicle has remote engine start.
This feature allows the engine to start from outside
the vehicle.
The following features may be affected when the
remote start feature is used:
Vehicles with an automatic climate control
sys ...
Vehicle load capacity
Do not exceed the load limit of your vehicle
shown as "The combined weight of
occupants and cargo" on the Tire and
Loading Information label. Do not exceed
the number of occupants shown as
"Seating Capacity" on the Tire and Loading
Information label.
To get "the combined weight of occupants ...
Diagnosis system (ipdm E/R)
Diagnosis Description
AUTO ACTIVE TEST
Description
In auto active test mode, the IPDM E/R sends a drive signal to the following
systems to check their operation.
Oil pressure warning lamp
Front wiper (LO, HI)
Parking lamps
Side marker lamps
License plate lamps
Tail lamps
Front f ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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