2AZ-FE IGNITION – IGNITION SYSTEM IG–1 IGNITIONENGINE2AZ-FE IGNITION SYSTEM PARTS LOCATION ECM REPAIRINSTRUMENT PANEL J/B -INJ FUSE IGNITION COIL ASSEMBLY SPARK PLUG TOYOTA IG A137459E01 IG–2 2AZ-FE IGNITION – IGNITION SYSTEM SYSTEM DIAGRAM C11 ECM Ignition Coil (No. 1) 85 +B IGT1 C24 IGT1 13 GND IGF 42 C13 Ignition Coil (No. 2) 84 +B IGT2 C24 IGT2 13 GND IGF 42 INJ C12 Ignition Coil (No. 3) 93 +B IGT3 C24 IGT3 13REPAIR GND IGF 42 From Ignition C14 Switch Ignition Coil (No. 4) 82 +B IGT4 C24 IGT4 1 3 C16 1 Noise Filter (Ignition RH) GND IGF TOYOTA42 81 C24 IGF1 IG A137001 2AZ-FE IGNITION – IGNITION SYSTEM IG–3 ON-VEHICLE INSPECTION 1. CHECK IGNITION COIL ASSEMBLY AND PERFORM SPARK TEST NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately -10 to 50°C (14 to 122°F). "Hot" means approximately 50 to 100°C (122 to 212°F). (a) Check for DTCs. NOTICE: If any DTC is present, perform troubleshooting in accordance with the procedure for that DTC. (b) Check that sparks occur. (1) Remove the No. 1 engine cover. (2) Disconnect the 4 ignition coil connectors and remove the 4 bolts and ignition coils. (3) Using a 16 mm ( in.) spark plug wrench, 16 mm Spark Plug Wrench remove the 4 spark plug
