Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

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 seco ...

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 grou ...

Other materials:

B2623 inside key antenna 3
Description Detects whether Intelligent Key is inside the vehicle. Installed in the trunk room. DTC Logic NOTE: The Signal Tech II Tool (J-50190) can be used to perform the following functions. Refer to the Signal Tech II User Guide for additional information. Check Intelligent Ke ...

Rear door speaker
Description The audio unit sends audio signals to the rear door speakers using the rear 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 2.HARNESS CHEC ...

Main line between DLC and HVAC circuit
Diagnosis Procedure 1.CHECK HARNESS CONTINUITY (OPEN CIRCUIT) Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect the following harness connectors. ECM A/C auto amp. Check the continuity between the data link connector and the A/C ...