Fuel pump actuation test
1.

Check working sound of the fuel pump by using fuel pump actuation test.

2.

Is there working sound of the fuel pump?

▶ Go to "Fuel pump is OK" as below.

▶ Go to "Fuel pump is bad" as below.

Fuel pump is OK

There are possible causes as below.

Click on each item for more details. "Fuel", "Compression pressure", "Air cleaner ", "Catalytic converter" , "Injector ", "ETC "

Fuel pump is bad
3.

Remove "FUEL PUPM RELAY".

4.

Connect jump wire directly to switch terminals to operate a fuel pump and IG key "ON".

5.

Is the fuel pump operated directly?

▶ Click on "Fuel pump relay circuit" item for more details.

▶ Click on "Fuel pump circuit" item for more details.

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