Nissan Maxima Service and Repair Manual: U0101 can comm circuit

Power supply and ground circuit

Diagnosis Procedure 1.CHECK GROUND CONNECTION-I Turn ignition switch OFF. Check ground connection E9. Refer to Ground Inspection 2.CHECK ECM GROUND CIRCUIT FOR OPEN AND SHORT-I Disconnec ...

U1001 can comm circuit

Description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex communication line with high data communication speed and excelle ...

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Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER" The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for ...

P050A, P050e cold start control
Description ECM controls ignition timing and engine idle speed when engine is started with pre-warming up condition. This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P050A or P050E is dis ...

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 ...