Nissan Maxima Service and Repair Manual: ECU diagnosis information

Power supply and ground circuit

BCM BCM : Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blown. 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnec ...

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 displ ...

Other materials:

CAN communication circuit
Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. 2.CHECK HARNESS CON ...

Intelligent key system symptoms
Symptom Table ALL FUNCTIONS OF INTELLIGENT KEY SYSTEM DO NOT OPERATE 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 "Conditions of vehicle" before starting diagn ...

The low washer fluid warning continues displaying, or does not display
Description  The warning is still displayed even after washer fluid is added.  The warning is not displayed even though the washer tank is empty. Diagnosis Procedure 1.CHECK WASHER FLUID LEVEL SWITCH SIGNAL CIRCUIT Check the washer fluid level switch signal cir ...