Nissan Sentra Service Manual: Dtc/circuit diagnosis

Anti-pinch inspection

Description If any of the following operations are performed, the initialization is necessary for normal operation of antipinch function. Disconnection and connection of battery cable from neg ...

Power supply and ground circuit

BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure Regarding Wiring Diagram information, refer to BCS-51, "Wir ...

Other materials:

Steering wheel switch for audio control (if so equipped)
Tuning switch Power on and SOURCE select switch Volume control button The audio system can be operated using the controls on the steering wheel. POWER on switch With the ignition switch in the ACC or ON position, push the SOURCE switch to turn the audio system on. SOURCE select s ...

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 ...

P0448 EVAP Canister vent control valve
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0448 VENT CONTROL VALVE (Evaporative emission system vent control circuit shorted) EVAP canister vent control valve remains clos ...