Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Fuel Pump Control Inspection




1. Connect the SST (NGS tester) to the DLC-2.
2. Turn the ignition switch on.
3. Select the SIMULATION TEST function on the NGS display.
4. Select IG ON TEST mode.
5. Select FP RLY PID.
6. Press START.




7. Turn the fuel pump relay from off to on and inspect if the operation sound of the fuel pump relay is heard.
- If no operation sound is heard, inspect the fuel pump relay.

- If the fuel pump relay is normal, inspect the following:
- Wiring harnesses and connectors (Main relay-fuel pump relay-PCM)