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:

Optical sensor 
Description  The optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to the BCM. Component Function Check  1.CHECK OPTICAL SENSOR SIGNAL BY CONSULT CONSULT Turn the ignition switch ON. Select "OPTICAL SENSOR" of BCM (HEAD LAMP ...

Removal and installation
BCM (BODY CONTROL MODULE) Removal and Installation For removal and installation of the BCM. PUSH BUTTON IGNITION SWITCH Removal and Installation REMOVAL Remove push-button ignition switch from cluster lid A using a suitable tool. Disconnect harness connector from push-button ignition s ...

Main line between A-bag and ABS circuit
Diagnosis Procedure 1.CHECK CONNECTOR Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). Harness connector M1 Harness connect ...