Nissan Sentra Service Manual: Ecu diagnosis information

System description

Component parts Component parts location Instrument lower finisher Component description Eco mode switch The ECO mode switch is installed to the instrument lower finisher. When ...

Wiring diagram

Eco mode system Wiring diagram ...

Other materials:

Consult function
FUNCTION Diagnostic test mode Function Self Diagnostic Results Self-diagnostic results such as 1st trip DTC, DTCs and 1st trip freeze frame data or freeze frame data can be read and erased quickly.* Data Monitor Input/Output data in the ECM can be read. ...

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 ...

Rear window defogger and door mirror defoggers do not operate
Diagnosis procedure Regarding Wiring Diagram information, refer to DEF-20, "Wiring Diagram". 1. Check rear window defogger switch Check rear window defogger switch. Refer to def-30, "component function check". Is the inspection result normal? Yes >> go to 2. No ...