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Maximum Pressure Test

FUEL PUMP MAXIMUM PRESSURE TEST

WARNING: Fuel line spills and leaks are dangerous. Fuel can ignite and cause serious injuries or death and damage. Always carry out the following procedure with the engine stopped.

1. Complete the "BEFORE REPAIR PROCEDURE". (Refer toSERVICE PRECAUTIONS.)
2. Disconnect the negative battery cable.




3. Connect a fuel pressure gauge to the fuel pump and plug the outlet of the gauge as shown. (Install clamps as shown.)
4. Connect the negative battery cable.

CAUTION: Connecting the wrong data link connector terminals may possibly cause a malfunction. Carefully connect the specified terminals only.




5. Connect data link connector terminals F/P and GND by using a jumper wire.
6. Turn the ignition switch to ON. Measure the fuel pump maximum pressure.

Fuel pump maximum pressure: 450-630 kPa (4.5 - 6.5 kgf/sq.cm, 64 - 92 psi)

7. Turn off the ignition switch and disconnect the jumper wire.
8. If not as specified, carry out the "Fuel Pump Fuel Hold Pressure Test".
9. Complete the "AFTER REPAIR PROCEDURE". (Refer to SERVICE PRECAUTIONS.)