TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.067
SFGE/SFI System 2JZ-GE68 / 71
p.069
ECM INSPECTION — MK4 Supra SFI System 2JZ-GE, page 68
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EG–254 ENGINE – SFI SYSTEM (2JZ–GE) ECM INSPECTION 1. DISCONNECT NEGATIVE (–) TERMINAL CABLE FROM BATTERY 2. REMOVE SCUFF PLATE 3. REMOVE ECM PROTECTOR (a) Take out the front side of the floor carpet. (b) Remove the 2 nuts and ECM protector. P11983 4. REMOVE ECM (a) Remove the nut, and disconnect the ECM from the floor panel. (b) Fully loosen the bolt and disconnect the 2 ECM connectors, and remove the ECM. 5. INSPECT ECM (See standard value of ECM terminals in Engine Troubleshooting) Bolt P11334 (Before Connection) (After Connection) Bolt Collar Stopper Nut Male Connector Female Connector FI6522 less than 1 mm 6. REINSTALL ECM (a) Connect the 2 ECM connectors. • Match the male connector correctly with the female connector, then press them together. • Tighten the bolt. Make sure the connector is completely connected by tightening the bolt until there is a clearance of less than 1 mm (0.04 in.) between the bottom of the male connector and the end of the female connector. FI6523 Z00725 (b) Insert the ECM bracket into the stay on the floor panel. (c) Install the ECM with the nut. 7. REINSTALL ECM PROTECTOR 8. REINSTALL SCUFF PLATE 9. RECONNECT NEGATIVE (–) TERMINAL CABLE TO BATTERY Insert P11335