Nissan Sentra Service Manual: Engine mechanical

Engine

Precaution

Other materials:

P1805 Brake switch
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P1805 BRAKE SW/CIRCUIT (Brake switch circuit) Stop lamp signal is not sent to ECM for extremely long time while the vehicle is drivi ...

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 ...

Power supply and ground circuit
Diagnosis procedure Regarding wiring diagram information, refer to bcs-51, "wiring diagram". 1.Check fuses and fusible link Check that the following fuses and fusible link are not blown. Is the fuse blown? YES >> Replace the blown fuse or fusible link after repairing the aff ...