Nissan Maxima Service and Repair Manual: ECU diagnosis information

Microphone signal circuit

Description Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal circuits. Diagnosis Procedure 1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNI ...

AV control unit

Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES DTC Index Self-diagnosis results display item ...

Other materials:

B2128 UART communication line
Description Driver seat control unit performs UART communication with the automatic drive positioner control unit using 1 communication line. Driver seat control unit receives the operation signals of ADP steering switch, door mirror remote control switch and the position signals of tilt sens ...

AMP on signal circuit
Description When the audio system is turned on, a voltage signal is supplied from the AV control unit to the BOSE speaker amp. When this signal is received, the BOSE speaker amp. will turn on. Diagnosis Procedure 1.CHECK AMP ON SIGNAL (BOSE SPEAKER AMP) Turn audio system ON. Check v ...

Insufficient heating
Component Function Check Symptom Insufficient heating No warm air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE INCREASE Press the AUTO switch. Turn temperature control switch (driver side) clockwise until 32C ...