Nissan Altima 2007-2012 Service Manual: Ecu diagnosis

Vehicle security indicator
Description • Vehicle security indicator is built in combination meter. • NVIS (Nissan Vehicle Immobilizer System-NATS) and vehicle security system conditions are indicated by blink or illu ...

BCM (Body control module)
Reference Value VALUES ON THE DIAGNOSIS TOOL Terminal Layout Physical Values 1: Sedan only 2: With LH front window anti-pinch 3: With LH and RH ...

Other materials:

P0420, P0430 Three way catalyst function
DTC Logic DTC DETECTION LOGIC The ECM monitors the switching frequency ratio of air fuel ratio (A/F) sensor 1 and heated oxygen sensor 2. A three way catalyst (manifold) with high oxygen storage capacity will indicate a low switching frequency of heated oxygen sensor 2. As oxygen storage c ...

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 EC-563, "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement&qu ...

P2014 tumble control valve position sensor
Description Tumble control valve position sensor is built into the tumble control valve actuator (2). 1 : Intake manifold adapter 3 : Tumble control valve The sensor consists of a permanent magnet and Hall IC. It senses the valve shaft movement and feeds the voltage signals to the ECM. DTC ...