Nissan Sentra Service Manual: Ecu diagnosis information

System

System Diagram FRONT POWER WINDOW LH ANTI-PINCH SYSTEM System Description MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH INPUT/OUTPUT SIGNAL CHART Item Input signal to main power win ...

BCM(body control module)

List of ECU Reference WITH INTELLIGENT KEY SYSTEM WITHOUT INTELLIGENT KEY SYSTEM ...

Other materials:

P0300, P0301, P0302, P0303, P0304 Misfire
DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. Sensor Input signal to ECM ECM function ...

Ecm branch line circuit
Diagnosis Procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? YES > ...

Brake warning lamp
Component Function Check 1.CHECK BRAKE WARNING LAMP FUNCTION (1) Check that brake warning lamp in combination meter turns ON for approximately 2 seconds after ignition switch is turned ON. Is the inspection result normal? YES >> GO TO 2. NO >> Proceed to diagnosis procedure. ...