Nissan Maxima Service and Repair Manual: ECU diagnosis information

Door switch

Description Detects door open/close condition. Component Function Check 1.CHECK FUNCTION With CONSULT Check door switches DOOR SW-DR, DOOR SW-AS in Data Monitor mode with CONSULT. Diagnosis Pr ...

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:

B2622 inside key antenna 2
Description Detects whether Intelligent Key is inside the vehicle. Installed under the center console. DTC Logic 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. Check Intelli ...

P050A, P050e cold start control
Description ECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P050A or P050E is dis ...

Before starting the engine
Make sure the area around the vehicle is clear. Check fluid levels such as engine oil, coolant, brake fluid, and window washer fluid as frequently as possible, or at least whenever you refuel. Check that all windows and lights are clean. Visually inspect tires for their appearance ...