Nissan Altima 2007-2012 Service Manual: ECU diagnosis
- Audio unit (coupe)
- Audio unit (sedan)
- Bose speaker AMP
- Satellite radio tuner (coupe)
- Satellite radio tuner (sedan)
- Bluetooth control unit
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 ...