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:

A/C switch assembly signal circuit
Diagnosis Procedure 1.CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT Using CONSULT, perform "SELF-DIAGNOSIS RESULTS" of HVAC. Check if any DTC No. is displayed in the self-diagnosis results. NOTE: If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. ...

Front door speaker 
Description  The audio unit sends audio signals to the front door speakers using the front door speaker circuits. Diagnosis Procedure  1.CONNECTOR CHECK Check the audio unit and speaker connectors for the following: Proper connection Damage Disconnected or loose terminals ...

B2581, B2582 intake sensor
Description Intake Sensor The intake sensor is located on the evaporator. It converts air temperature after it passes through the evaporator into a resistance value which is then input to the A/C auto amp. Intake Sensor Circuit DTC Logic DTC DETECTION LOGIC NOTE: If DTC is di ...