DTC Confirmation Test

WARNING: This page is about a different car, the 2002 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Malfunction is detected when PCM does not receive signal from ignition primary circuit during engine cranking or running. Possible causes are:

Ignition primary circuit open or shorted.
Defective power transistor (part of ignition coils).
Faulty Crankshaft Position (CKP) sensor or circuit.
Faulty Camshaft Position (CMP) sensor or circuit.

Connect scan tool to Data Link Connector (DLC). See Figure . Turn ignition on. Using scan tool, select DATA MONITOR. Start engine, or crank engine for at least 5 seconds if engine does not start. If first trip DTC is sets, perform DIAGNOSTIC PROCEDURE . If first trip DTC is not set, problem may be intermittent. See TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM.