TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
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SFTE/SFI System 2JZ-GTE10 / 71
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FUEL PUMP INSPECTION — MK4 Supra SFI System 2JZ-GTE, page 10
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EG–267 ENGINE – SFI SYSTEM (2JZ–GTE) 5. REMOVE FUEL PUMP AND SENDER GAUGE ASSEMBLY (a) Disconnect the connector and hoses from the fuel pump bracket: (1) Fuel pump connector (2) Fuel outlet hose Remove the union bolt and 2 gaskets, and disconnect the outlet hose. (3) Fuel return hose (4) Fuel breather hose (b) Remove the retainer clamp. (c) Using SST, loosen the retainer. SST 09808–14010 SST Rib (d) Remove the retainer, and disconnect the fuel pump and sender gauge assembly from the fuel tank. (e) Disconnect the fuel return hose from the return port of the fuel pump bracket. (f) Remove the fuel pump, sender gauge assembly and gasket. Fuel Return Hose FUEL PUMP INSPECTION 1. INSPECT FUEL PUMP RESISTANCE Using an ohmmeter, measure the resistance between terminals 4 and 5. Resistance: 0.1–3.0 Ω at 20°C (68°F) If the resistance is not as specified, replace the fuel pump, lead wire or fuel pump bracket. Ohmmeter 2. INSPECT FUEL PUMP OPERATION Connect a tester lead from terminal 4 of the connector to the positive (+) terminal of the battery; connect another tester lead from terminal 5 of the connector to the negative (–) terminal of the battery. NOTICE: • These tests must be performed quickly (within 10 seconds) to prevent the coil from burning out. Battery