Nissan Sentra Service Manual: Heater and air conditioning system symptoms

Symptom diagnosis

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Refrigeration system symptoms

Trouble diagnosis for unusual pressure Diagnose using a manifold gauge whenever system’s high and/or low side pressure(s) is/are unusual. The marker above the gauge scale in the following ta ...

Other materials:

P0130 A/F Sensor 1
DTC Logic DTC DETECTION LOGIC To judge the malfunction, the diagnosis checks that the A/F signal computed by ECM from the A/F sensor 1 signal fluctuates according to fuel feedback control. DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possi ...

P0139 HO2S2
DTC Logic DTC DETECTION LOGIC The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst 1 causes the longer switching time. To judge the malfunctions of heated oxygen sensor 2, ...

Cargo net (if so equipped)
WARNING Properly secure all cargo with ropes or straps to help prevent it from sliding or shifting. In a sudden stop or collision, unsecured cargo could cause personal injury. Be sure to secure all four hooks into the retainers. The cargo restrained in the net ...