Nissan Maxima Service and Repair Manual: Vehicle security system symptoms

Intelligent key system/engine start function symptoms

Symptom Table Engine cannot be started with all Intelligent Keys. CAUTION: Follow Trouble Diagnosis Flowchart referring to "SEC-4, "Work Flow"". Determine malfunctioning condition befor ...

NISSAN vehicle immobilizer system-nats symptoms

Symptom Table Security indicator does not turn ON or flash. CAUTION:  Follow Trouble Diagnosis Flowchart referring to "SEC-4, "Work Flow"". Determine malfunctioning condition befor ...

Other materials:

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

P1612 chain of ECM-IMMU
Description BCM performs the ID verification with ECM that allows the engine to start. Start the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered. BCM starts the communication with ECM if ignition switch is turned ON. DTC Logic DTC DETECTION LOGIC ...

U1000 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 excellent error detection ability. Many electronic control units are equipped onto a vehicle, and each co ...