Nissan Altima 2007-2012 Service Manual: Component diagnosis

Retained PWR
 CONSULT-III Function (BCM - RETAINED PWR) Data monitor ...

Other materials:

P0420 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 ...

Read first—then drive safely
Before driving your vehicle, please read this Owner’s Manual carefully. This will ensure familiarity with controls and maintenance requirements, assisting you in the safe operation of your vehicle. Warning Important safety information reminders for safety! Follow these important driving ru ...

Diagnosis system (AV control unit)
Diagnosis Description DESCRIPTION • Diagnosis function consists of the self-diagnosis mode performed automatically and the CONFIRMATION/ ADJUSTMENT mode operated manually. • Self-diagnosis mode checks for connections between the units constituting this system, analyzes each individual ...