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:

P0171, P0174 fuel injection system function
DTC Logic DTC DETECTION LOGIC With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture ratio can be brought closely to the theoretical mixture ratio based on the mixture ratio feedback signal from A/F sensor 1. The ECM calculates the necessary compensation to correct the o ...

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 ...

Seat belt buckle switch signal circuit
Description Transmits a seat belt buckle switch LH signal to the combination meter. Component Function Check 1. CHECK COMBINATION METER INPUT SIGNAL Start engine. Monitor seat belt warning lamp while fastening and unfastening the driver seat belt. Diagnosis Procedure Regarding Wiring ...