TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.033
TGE/Troubleshooting 2JZ-GE34 / 105
p.035
INSPECTION PROCEDURE — MK4 Supra Troubleshooting 2JZ-GE, page 34
100%
EG–414 ENGINE – 2JZ–GE ENGINE TROUBLESHOOTING INSPECTION PROCEDURE 1 Check for spark. C Disconnect the high–tension cord from the distributor, hold its end about 12.5 mm (1/2") from the ground, see if spark occurs while the engine is being cranked. OK Spark should be generated. Notice To prevent excess fuel being injected from the injectors during this check. Don't crank the engine for more than 1 — 2 seconds at a time. 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 B 58 IGF BE8653 FI5821 P (1) Disconnect igniter connector. (2) Connect SST (check harness "A"). See page EG–404) SST 09990–01000 (3) Turn ignition switch ON. C Measure voltage between terminal IGF of engine control module connector and body ground. OK Voltage: 4.5 ~ 5.5 V NG OK Replace igniter. Check and replace engine control module.