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:

Door request switch
Description Transmits door lock/unlock operation to BCM. Component Function Check 1. CHECK FUNCTION With CONSULT Check door request switch REQ SW-DR, REQ SW-AS in Data Monitor mode. Diagnosis Procedure 1. CHECK DOOR REQUEST SWITCH OUTPUT SIGNAL Turn ignition switch OFF. Check ...

Engine block heater (if so equipped)
Engine block heaters are used to assist with cold temperature starting. The engine block heater should be used when the outside temperature is 20F (-7C) or lower. WARNING Do not use your engine block heater with an ungrounded electrical system or a 2-pronged adapter. You can be serious ...

P1805 brake switch
Description Brake switch signal is applied to the ECM via the stop lamp switch when the brake pedal is depressed. This signal is used mainly to decrease the engine speed when the vehicle is being driver. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATI ...