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 ...

Audio unit

Reference Value TERMINAL LAYOUT PHYSICAL VALUES ...

Other materials:

B2192 ID discord, IMMU-ECM
Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGIC ...

Oil pressure switch signal circuit
Description Detects the engine oil pressure and transmits the oil pressure switch signal to the IPDM E/R. Component Function Check 1.COMBINATION METER INPUT SIGNAL  Select "METER/M&A" on CONSULT.  Monitor "OIL W/L" of "DATA MONITOR" while operating ignition switc ...

P1572 ASCD brake switch
Description When the brake pedal is depressed, ASCD brake switch is turned OFF and stop lamp switch is turned ON. ECM detects the state of the brake pedal by those two types of input (ON/OFF signal). Refer to EC-68, "System Diagram" for the ASCD function. DTC Logic DTC DETECTI ...