Camry Sedan 4WD L4-2.0L (3S-FE) (1988)
Fuel Pressure: Testing and Inspection
1. INSPECT FUEL PUMP OPERATION.
a. Turn the ignition switch "ON".
NOTE: Do not start the engine.
b. Using a service wire, short terminals +B and FP of the check connector.
c. Check that there is pressure in the hose from the fuel filter.
NOTE: At this time, you will hear fuel return noise.
d. Remove the service wire.
e. Turn the ignition switch "OFF".
If there is no pressure, check the following parts:
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Fusible links.
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Fuses (EFI 15A, IGN 7.5A).
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EFI main relay.
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Circuit opening relay.
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Fuel pump.
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Wiring connections.
2. INSPECT FUEL PRESSURE.
a. Check the battery voltage above 12 volts.
b. Disconnect the cable from the negative (-) terminal of the battery.