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:

Fuel filler cap warning system
System Diagram System Description INPUT/OUTPUT SIGNAL CHART Input *: This signal is sent to the ECM via the CAN communication line. Output *: This signal is sent to the combination meter via the CAN communication line. SYSTEM DESCRIPTION The fuel filler cap warning system alerts th ...

RGB (B: blue) signal circuit
Description Transmit the image displayed with AV control unit with RGB signal to the display unit. Diagnosis Procedure 1.CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT Turn ignition switch OFF. Disconnect display unit connector M141 and AV control unit connector M117. Check contin ...

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Trouble Diagnosis Flow Chart Trouble Diagnosis Procedure INTERVIEW WITH CUSTOMER Interview with the customer is important to detect the root cause of CAN communication system errors and to understand vehicle condition and symptoms for proper trouble diagnosis ...