Nissan Altima 2007-2012 Service Manual: Function diagnosis

Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW Work Flow OVERALL SEQUENCE DETAILED FLOW 1.GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the enviro ...

Audio system (coupe)
System Diagram System Description AUDIO SYSTEM The audio system consists of the following components • Audio unit • BOSE speaker amp. • Window antenna • Steering wheel audio control ...

Other materials:

Ignition signal
Description The ignition signal from the ECM is sent to and amplified by the power transistor. The power transistor turns ON and OFF the ignition coil primary circuit. This ON/OFF operation induces the proper high voltage in the coil secondary circuit. Component Function Check 1.INSPECTION ...

P1554 battery current sensor
Description The power generation voltage variable control enables fuel consumption to be decreased by reducing the engine load which is caused by the power generation of the generator. The battery current sensor is installed to the battery cable at the negative terminal. The sensor measures t ...

Additional service when replacing control unit
Description When replacing ECM, this procedure must be performed. Special Repair Requirement 1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION KEY IDS Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement" (Coupe) or SEC- 214, &qu ...