Operation CHARM: Car repair manuals for everyone.

Fuel Pump Control Inspection




1. Connect the SSTs (NGS tester) to DLC-2.
2. Turn the ignition switch to ON.
3. Select "SIMULATION TEST" and press TRIGGER.
4. Select "IG ON TEST" and press TRIGGER.
5. Select "FP RLY" and press TRIGGER.
6. Press START.

7. Turn the fuel pump relay from off to on and inspect if operation sound of the fuel pump relay is heard.
- If the operation sound is not 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).