Ignition Coil Power Source
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Nissan Xterra, 2003 Nissan Sentra, 2003 Nissan Pathfinder, 2003 Nissan Murano, and 2003 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect ignition coil 2-pin harness connector. Turn ignition on. Measure voltage at terminal No. 1 (PU/W) wire at ignition coil harness connector.
- If battery voltage is present, check ignition coil resistance. See IGNITION COIL RESISTANCE . If battery voltage does not exist, check continuity of entire circuit between battery and ignition coil, including fusible link and ignition switch. See appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article.