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:

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

Driver side door mirror defogger does not operate
Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER LH Check door mirror defogger LH. PASSENGER SIDE DOOR MIRROR DEFOGGER DOES NOT OPERATE Diagnosis Procedure 1. CHECK DOOR MIRROR DEFOGGER RH Check door mirror defogger RH. REAR WINDOW DEFOGGER SWITCH DOES NOT LIGHT, BUT REAR WINDOW DEFOGGER O ...

Diagnosis system (audio unit)
Diagnosis Description Self-diagnosis mode can perform the following items. Versions display Channel check diagnosis Key check diagnosis AV communication diagnosis VERSIONS DISPLAY FUNCTION Turn ignition switch ON. Turn the audio unit off. While pressing "1" button, turn volume ...