EG–520 ENGINE – 2JZ–GTE ENGINE TROUBLESHOOTING INSPECTION PROCEDURE 1 Check for spark. P (1) Remove ignition coil. (See page IG–26) (2) Remove spark plug. (3) Install the spark plug to the ignition coil, and connect the ignition coil connector. (4) Ground the spark plug. C Check if spark occurs while engine is being cranked. Hint To prevent excess fuel being injected from injectors dur- ing this test, don't crank the engine for more than 1—2 seconds at a time. P11799 OK NG Go to step 4 . 2 Check for open and short in harness and connector in IGF signal circuit between engine control module and igniter (See page IN–30). OK NG Repair or replace harness or connector. 3 Disconnect igniter connector and check voltage between terminal IGF of engine control module connector and body ground. ON SST ECM V B 58 IGF BE6653 FI6621 P (1) Disconnect igniter connector. (2) Connect SST (check harness "A"). (See page EG–510) SST 09990–01000 (3) Turn ignition switch ON. C Measure voltage between terminal IGF of engine con- trol module connector and body ground. OK Voltage: 4.5 — 5.5 V NG OK Replace igniter. Check and replace engine control module.