Nissan Maxima Service and Repair Manual: Wiring diagram 

S connector circuit 

Description  The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position. Diagnosis ...

Symptom diagnosis

STARTING SYSTEM Symptom Table ...

Other materials:

P0139, P0159 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 ...

Precaution
PRECAUTIONS Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to t ...

Insufficient heating
Component Function Check Symptom Insufficient heating No warm air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE INCREASE Press the AUTO switch. Turn temperature control dial (driver side) clockwise until 32C ...