Fuel Pump

FAULT ID
42

TITLE
Fuel Pump

BACKGROUND
- If the fuel pump is driven, fuel pump drive signal (High) is input to the ECM.
- ECM checks fuel pump drive signal.

RANGE OF CHECK
- Engine speed is approx. 50 RPM or more

SET CONDITIONS
- Fuel pump drive signal is not input for 4 seconds.

EFFECT
- No limp-in

PROBABLE CAUSES
- Open or shorted fuel pump power circuit, or loose connector.
- Multiport fuel injection relay failed.
- Engine control module failed.