Nissan Altima 2007-2012 Service Manual: ECU diagnosis

Microphone signal circuit (sedan)
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 UN ...

Audio unit (coupe)
Reference Value TERMINAL LAYOUT PHYSICAL VALUES - WITH BLUETOOTH PHYSICAL VALUES - WITHOUT BLUETOOTH Wiring Diagram - Coupe ...

Other materials:

P0327, P0328 KS
Description The knock sensor is attached to the cylinder block. It senses engine knocking using a piezoelectric element. A knocking vibration from the cylinder block is sensed as vibrational pressure. This pressure is converted into a voltage signal and sent to the ECM. DTC Logic DTC DETEC ...

AV Branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the AV control unit for damage, bend and loose connection (unit side and connector side). I ...

Can communication circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CONNECTOR INSPECTION 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Disconnect all the unit connectors on CAN communication system. 4. Check terminals and connectors for damage, bend and loose con ...