Nissan Maxima Service and Repair Manual: Symptom diagnosis

Wiring diagram

AIR CONDITIONER CONTROL Wiring Diagram - With Color Display ...

Insufficient cooling

Component Function Check Symptom Insufficient cooling No cool air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECRE ...

Other materials:

Compressor control function
Description PRINCIPLE OF OPERATION A/C compressor is not activated. Functional circuit diagram CAN (1): A/C switch signal : Blower fan motor switch signal CAN (2): A/C compressor request signal RX: A/C switch signal : Fan ON signal : Defroster signal Functional initial inspection chart ...

P0420, P0430 three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen sto ...

U122A AV control unit
DTC Logic Diagnosis Procedure 1.PERFORM THE SELF-DIAGNOSIS When U122A is detected, write configuration data with "MULTI AV" of CONSULT. U122E AV CONTROL UNIT DTC Logic DTC DETECTION LOGIC ...