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:

Communication signal circuit
SATELLITE RADIO TUNER SATELLITE RADIO TUNER : Description Communication signals are exchanged between the AV control unit and satellite radio tuner using the communication circuits. SATELLITE RADIO TUNER : Diagnosis Procedure 1.CHECK HARNESS - 1 Turn ignition switch OFF. Disconnect ...

Power supply and ground circuit
Description EPS system functions by ignition power supply. Diagnosis Procedure 1.CHECK POWER SUPPLY Turn the ignition switch OFF. Disconnect power steering control unit connector. Turn the ignition switch ON. Check voltage between power steering control unit connectorM59 terminal 3 ...

Subwoofer
Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits. Diagnosis Procedure 1.CONNECTOR CHECK Check the audio unit, BOSE speaker amp. and subwoofer connect ...