toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Fuel Pressure|Specifications|Page 502 > < Fuel Pressure|Specifications
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Fuel Pressure: Testing and Inspection

1. CHECK FUEL PUMP OPERATION.

a. Turn the ignition switch to "ON".

NOTE:  Do not start the engine.

b. Short terminals Fp and + B of the check connector with the service wire.

NOTE:  The check connector is located near the No.2 relay block.

c. Check that there is pressure in the fuel inlet hose.

NOTE:  At this time, you will hear fuel pressure noise.

d. Remove the service wire.
e. Turn the ignition switch to "OFF".

If there is no pressure, check the following parts.
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Fusible Link.

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Fuse.

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Electronic Fuel Injection (EFI) Main Relay.

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Circuit Opening Relay.

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Fuel Pump.

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Fuel Pump Relay.

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Fuel Pump Resistor.

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Wiring Connections.

f.

Check that battery voltage is above 11 volts.

g. Disconnect the battery negative cable.

2. REMOVE COLD START INJECTOR TUBE

Fuel Pressure|Specifications|Page 502 > < Fuel Pressure|Specifications