Nissan Altima 2007-2012 Service Manual: On-vehicle repair
On-vehicle maintenance
ENGINE COOLANT
System Inspection
• Never remove the radiator cap when the engine is hot. Serious burns
could occur from high pressure
fluid escaping from the radiator.
• Wrap a thick clot ...
Radiator
Removal and Installation
1. Radiator
2. CVT oil cooler hose (if equipped)
3. Radiator hose (upper)
4. Radiator hose (lower)
5. Cooling fan
6. Reservoir tank
7. Reservoir hose
8. Radiator fil ...
Other materials:
P0043, P0044 HO2S3 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 3 heater
corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC C ...
Electrical load signal
Description
The electrical load signal (Headlamp switch signal, rear window defogger
switch signal, etc.) is transferred
through the CAN communication line.
Component Function Check
1.CHECK REAR WINDOW DEFOGGER SWITCH FUNCTION
1. Turn ignition switch ON.
2. Connect CONSULT-III and select ...
Fuel gauge
System Diagram
System Description
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable
resistor signal supplied by the fuel
level sensor unit.
Component Parts Location
1. Combination ...
