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:

Electric ignition system
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: This signal is sent to the ECM via the CAN communication line. *2: ECM determines the start signal status by the signals of engine speed and battery voltage. SYSTEM DESCRIPTION Ignition order: 1 - 2 - 3 - 4 - 5 - 6 The ...

B260A ignition relay
Description BCM turns ON the following relays to ignition power supply to each ECU when the ignition switch is turned ON. Ignition relay-1 (inside IPDM E/R) Ignition relay-2 (inside fuse block (J/B)) Front blower motor relay BCM checks any ignition relay ON request for consistency wi ...

Door lock function symptoms
DOOR LOCK AND UNLOCK SWITCH DOOR LOCK AND UNLOCK SWITCH : Symptom Table DOOR LOCK/UNLOCK FUNCTION MALFUNCTION NOTE: Before performing the diagnosis in the following table, check "WORK FLOW". Refer to DLK-9, "Work Flow". Check that vehicle is under the condition shown in "Condi ...