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:

B26e1 no reception of engine status signal
Description BCM receives the engine status signal from ECM via CAN communication. DTC Logic DTC DETECTION LOGIC NOTE: If DTC B26E1 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-29, "DTC Logic". If DTC B26E1 is displayed with D ...

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 ...

Disassembly and assembly
FUEL LEVEL SENSOR UNIT Disassembly and Assembly Fuel Level Sensor Unit Harness connectors Fuel level sensor unit  Fuel tank temperature sensor  Float arm assembly Disassembly NOTE: Before disassembly, note the proper placement of the wires to the correct terminals a ...