Nissan Maxima Service and Repair Manual: System description

Power control system

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Relay control system

System Diagram System Description IPDM E/R activates the internal control circuit to perform the relay ON-OFF control according to the input signals from various sensors and the request sign ...

Other materials:

P0740 torque converter
Description  The torque converter clutch solenoid valve is activated by the TCM in response to signals sent from the vehicle speed and accelerator pedal position sensors. Lock-up piston operation will then be controlled.  Lock-up operation, however, is prohibited when CVT fl ...

NVIS (NISSAN vehicle immobilizer system-nats)
System Diagram System Description INPUT/OUTPUT SIGNAL CHART SYSTEM DESCRIPTION The NVIS (NATS) is an anti-theft system. By registering an Intelligent Key ID into the vehicle, it prevents the engine being started by an unregistered Intelligent Key. It has a higher protection again ...

Power supply and ground circuit
BCM BCM : 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 Che ...