Fuel Pump Operation Inspection
- Remove the fuel-filler cap.
- Switch the ignition to ON.
- Turn the fuel pump relay from off to on using the FP PID and inspect if the operation sound is heard.
- If no operation sounds is heard, proceed to next step.
- Measure the voltage at wiring harness side fuel pump connector terminal B.
Specification
B+ (Ignition at on)
- If the voltage is as specified, inspect the following:
- Fuel pump continuity
- Fuel pump GND
- Wiring harness between fuel pump relay terminal E and PCM terminal 1BG
- If not as specified, inspect the following:
- Fuel pump relay (See RELAY INSPECTION .)
- Wiring harness connector (Battery-Fuel pump relay-Fuel pump)