Nissan Maxima Service and Repair Manual: Symptom diagnosis

Wiring diagram

AIR CONDITIONER CONTROL Wiring Diagram - With Monochrome 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:

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 switch (driver side) clockwise until 32C ...

HVAC branch line circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the A/C auto amp. for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRCUI ...

Heating (A/C OFF)
The air conditioner does not activate. When you need to heat only, use this mode. 1. Press the AUTO button. 2. Turn the temperature control dial to set the desired temperature. The temperature of the passenger compartment will be maintained automatically. Air flow distribution and fa ...