Reference | INSPECTION USING OSCILLOSCOPE G, NE Signal Waveforms 5 V/Div. G1 G2 NE 20 msec./Division (Idling) FI6519 • During cranking or idling, check waveforms between terminals G1, G2 and G1 ×, G2 ×, NE and NE × of engine control module. HINT: The correct waveforms are as shown. OK NG Replace crankshaft position sensor, camshaft position sensor No.1, No.2. 2 Check for open and short in harness and connector between engine control module and each sensor (See page IN–30). OK NG Repair or replace harness or connector. 3 Inspect sensor installation and teeth of timing rotor. OK NG Tighten the sensor. Replace timing rotor (Intake camshaft, crankshaft timing pulley). Check and replace engine control module.