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:

U1243 display unit
DTC Logic Diagnosis Procedure 1.CHECK DISPLAY UNIT POWER SUPPLY AND GROUND CIRCUIT Check display unit power supply and ground circuit 2.CHECK CONTINUITY OF COMMUNICATION CIRCUIT Turn ignition switch OFF. Disconnect display unit connector M142 and AV control unit connector M163. ...

Power steering oil pump
Inspection CAUTION: Make sure that belt tension is normal before starting the following procedure. Connect the Tool between oil pump discharge connector and high-pressure hose. Bleed air from the hydraulic circuit while opening the shut-off valve fully. Refer to ST-12, "Inspection". ...

Insufficient cooling
Component Function Check Symptom Insufficient cooling No cool air comes out. (Airflow volume is normal.) INSPECTION FLOW 1. CONFIRM SYMPTOM BY PERFORMING OPERATION CHECK - TEMPERATURE DECREASE Press the AUTO switch. Turn temperature control switch (driver side) counterclockwise u ...