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:

Cooling fan control
System Diagram System Description INPUT/OUTPUT SIGNAL CHART *1: The ECM determines the start signal status by the signals of engine speed and battery voltage. *2: This signal is sent to ECM via the CAN communication line. SYSTEM DESCRIPTION The ECM controls the cooling fan correspon ...

U1000 CAN comm circuit
Description DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure. Diagnosis Proc ...

Trunk lamp switch
Description Detects trunk open/close condition. Component Function Check 1. CHECK FUNCTION With CONSULT Check TRNK/HAT MNTR in Data Monitor mode with CONSULT. Diagnosis Procedure 1. CHECK TRUNK LAMP SWITCH INPUT SIGNAL Turn ignit ...