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:

Communication signal circuit
SATELLITE RADIO TUNER SATELLITE RADIO TUNER : Description Communication signals are exchanged between the AV control unit and satellite radio tuner using the communication circuits. SATELLITE RADIO TUNER : Diagnosis Procedure 1.CHECK HARNESS - 1 Turn ignition switch OFF. Disconnect ...

P0550 PSP sensor
Description Power steering pressure (PSP) sensor is installed to the power steering high-pressure tube and detects a power steering load. This sensor is a potentiometer which transforms the power steering load into output voltage, and emits the voltage signal to the ECM. The ECM controls ...

Tweeter
Description The AV control unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the tweeters using the audio signal circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the AV control unit, BOSE speaker amp. and speaker ...