Fuel Pump Operation Inspection
- Remove the fuel-filler cap.
- Turn the ignition switch to the ON position.
- 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 voltage at wiring harness side fuel pump connector terminal C (California emission regulation applicable model), A (except for California emission regulation applicable model).
Specification
B+ (Ignition switch at on)
- If the voltage is as specified, inspect the following:
- Fuel pump continuity
- Fuel pump GND
- Wiring harness between fuel pump relay and PCM terminal 1AR (with immobilizer system), 1AQ (without immobilizer system)
- If not as specified, inspect the following:
- Fuel pump relay
- Wiring harness connector (Main relay - fuel pump relay - fuel pump).
- If the voltage is as specified, inspect the following: