Nissan Altima 2007-2012 Service Manual: Overheating cause analysis

Troubleshooting Chart

    Cooling system
    Cooling Circuit 1. Thermostat 2. Water control valve 3. Water control valve housing (Water outlet) 4. Cylinder block (Thermostat housing) 5. Water inlet 6. Radiator 7. Water pump 8. Cylinder ...

    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 ...

    Other materials:

    Intake door motor
    Description SYSTEM DESCRIPTION Component Parts Intake door control system components are: • Front air control • Intake door motor (LCU) System Operation The intake door control determines the intake door position based on the position of the recirculation switch. When the recirculati ...

    Fuel pump
    Description *: ECM determines the start signal status by the signals of engine speed and battery voltage. The ECM activates the fuel pump for several seconds after the ignition switch is turned ON to improve engine start ability. If the ECM receives a engine speed signal from the camshaf ...

    B2617 starter relay circuit
    Description Located in IPDM E/R, it runs the starter motor. The starter relay is turned ON by the BCM when the ignition switch is in START position. IPDM E/R transmits the starter relay ON signal to BCM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2617 is displa ...