TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SFTE/SFI System 2JZ-GTE41 / 71
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IAC VALVE INSTALLATION — MK4 Supra SFI System 2JZ-GTE, page 41
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EG–298 ENGINE – SFI SYSTEM (2JZ–GTE) Check Valve Inside Seal Washer P11367 IAC VALVE INSTALLATION 1. INSTALL IAC VALVE (a) Install the check valve and seal washer. NOTICE: Be careful of the check valve and seal washer installation direction. (b) Connect these hoses: • Air hose • Water bypass hose (from No.2 water bypass pipe) • Water bypass hose (from No.4 water bypass pipe) (c) Install a new gasket and the IAC valve with the 2 bolts. Torque: 21 N·m (210 kgf·cm, 15 ft·lbf) 2. CONNECT IAC VALVE CONNECTOR 3. FILL WITH ENGINE COOLANT EFI Main Relay P11276 EFI MAIN RELAY EFI MAIN RELAY INSPECTION 1. REMOVE EFI MAIN RELAY LOCATION: In the engine compartment relay box. Ohmmeter Continuity No Continuity 1 5 3 Ohmmeter 2 P07170 2. INSPECT EFI MAIN RELAY A. Inspect relay continuity (a) Using an ohmmeter, check that there is continuity between terminals 1 and 2. (b) Check that there is no continuity between terminals 3 and 5. If continuity is not as specified, replace the relay. Ohmmeter Continuity 1 5 3 2 Battery P07171 B. Inspect relay operation (a) Apply battery voltage across terminals 1 and 2. (b) Using an ohmmeter, check that there is continuity between terminals 3 and 5. If operation is not as specified, replace the relay. 3. REINSTALL EFI MAIN RELAY