Operation CHARM: Car repair manuals for everyone.

Fuel Pump Control Inspection




1. Turn the ignition switch to START and inspect for fuel pump relay operating sound.
- If no sound was heard, inspect the fuel pump relay.
- If the fuel pump relay is normal, check voltage at following terminals.
- PCM terminal 1 H (Ignition switch START signal)
- PCM terminal 1 AF (Fuel pump relay)