... Owner’s Manual in TIS Toyota Engine Control Systems I Course 852 65 Spark Generation and Electronic Spark Advance Ignition Systems Slide Slide74 T874f509, T874f310, T852f130 T874f508 Spark Generation ... the engine is running, the injector may remain off until the next engine start This will set a DTC Toyota Engine Control Systems I Course 852 63 Ignition Advance and Firing Order Ignition Systems ... engines are arranged consecutively 1–4 or 1–6 64 TOYOTA Technical Training Spark Plug Types Ignition Systems Slide Slide73 T874f509, T874f310, T874f508 285EG40 Spark Plug Types It is important...