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 ...

AV control unit

Reference Value VALUES ON THE DIAGNOSIS TOOL TERMINAL LAYOUT PHYSICAL VALUES DTC Index Self-diagnosis results display item ...

Other materials:

Diagnosis system (bluetooth control unit)
Diagnosis Description The Bluetooth control unit has two diagnostic checks. The first diagnostic check is performed automatically every ignition cycle during control unit initialization. The second diagnostic check is performed by the technician using the steering wheel audio control switches ...

Power supply and ground circuit
AUDIO UNIT AUDIO UNIT : Diagnosis Procedure 1.CHECK FUSES 2.POWER SUPPLY CIRCUIT CHECK Disconnect audio unit connector M132. Check voltage between the audio unit connector M132 and ground. 3.GROUND CIRCUIT CHECK Inspect audio unit case ground. DISPLAY UNIT DISPLAY UNIT : Dia ...

Preparation
Special Service Tools The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here. Commercial Service Tools ...