(a) Check the fuel pump resistance.

(1) Measure the resistance between terminals 1

If the result is not as specified, replace the fuel pump.

(b) Check fuel pump operation.

(1) Apply battery voltage to terminals 1 and 2.

Check that the pump operates.


• These tests must be completed within 10 seconds to prevent the coil from burning out.

• Keep the fuel pump as far away from the battery as possible.

• Always switch the voltage on and off on the battery side, not on the fuel pump side.

If the pump does not operate, replace the fuel pump.

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Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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