Nissan Maxima Service and Repair Manual: Overheating cause analysis

System description

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Cooling system

Cooling Circuit Cylinder block (RH) Oil cooler Cylinder head (RH) Water pump Radiator Water inlet Thermostat Cylinder head (LH) Cylinder block (LH)  To heater T ...

Other materials:

P0137, P0157 HO2S2
Description The heated oxygen sensor 2, after three way catalyst (manifold), monitors the oxygen level in the exhaust gas on each bank. Even if switching characteristics of the air fuel ratio (A/F) sensor 1 are shifted, the air-fuel ratio is controlled to stoichiometric, by the signal ...

Cooling and/or dehumidified heating (AUTO)
This mode may be used all year round as the system automatically works to keep a constant temperature. Air flow distribution and fan speed are also controlled automatically. 1. Press the AUTO button on. 2. Turn the temperature control dial to the left or right to set the desired temperatur ...

Mode door control system
System Diagram System Description The mode door is automatically controlled by the temperature setting, ambient temperature, in-vehicle temperature, intake temperature and amount of sunload. SYSTEM OPERATION The A/C auto amp. receives data from each of the sensors. The A/C auto amp. ...