Nissan Maxima Service and Repair Manual: ECU diagnosis information

Hazard switch

Component Function Check 1.CHECK HAZARD SWITCH SIGNAL BY CONSULT CONSULT DATA MONITOR Turn ignition switch ON. Select "HAZARD SW" of BCM (FLASHER) DATA MONITOR item. With operating the hazar ...

BCM (body control module)

Reference Value NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Activate and display ...

Other materials:

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 DECREASE Press the AUTO switch. Turn temperature control switch (driver side) counterclockwise u ...

AV 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 AV control unit for damage, bend and loose connection (unit side and connector side). 2.CHECK HARNESS FOR OPEN CIRC ...

B2581, B2582 intake sensor
Description Intake Sensor The intake sensor is located on the evaporator. It converts air temperature after it passes through the evaporator into a resistance value which is then input to the A/C auto amp. Intake Sensor Circuit DTC Logic DTC DETECTION LOGIC NOTE: If DTC is di ...