Power Circuit Test (Tiburon 2.7L)

Turn ignition off. Disconnect ignition coils 4-pin harness connector. Turn ignition on, and measure voltage between ground and harness connector terminal No. 3. See Figure. Voltage should be battery voltage. If voltage is not as specified, repair open circuit between ignition coil and BCM box. For circuits identification, see appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS.