Nissan Maxima Service and Repair Manual: DTC/circuit diagnosis

Can communication circuit

Diagnosis Procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication syste ...

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 connector ...

Other materials:

B2191 difference of key
Description Performs ID verification through BCM and Intelligent Key when push-button ignition switch is pressed. Prohibits the start of engine when an unregistered ID of Intelligent Key is used. DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCED ...

Power supply and ground circuit
BCM BCM : Diagnosis Proce 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuses or fusible link are blow 2. CHECK POWER SUPPLY CIRCUIT Turn ignition switch OFF. Disconnect BCM. Check voltage between BCM harness connector and ground. 3. CHECK GROUND CIRCUIT Check con ...

U1000 CAN comm circuit
Description DTC Logic DTC DETECTION LOGIC NOTE: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual CAN diagnostic symptoms and a present DTC by performing the Self Diagnostic Result procedure. Diagnosis Proc ...