SC 300 L6-3.0L (2JZ-GE) (1992)
Fuel Pressure: Testing and Inspection
Installing Jumper Wire
Functional Inspection
- Turn ignition on, do not start.
- Using a jumper wire, short check connector terminals FP and +B together.
Checking For Fuel Pressure
- Fuel pump pulsations should be able to be felt by grasping the fuel inlet hose.
- If no pressure is present, check the following
^
Fuses
^
SFI main relay
^
Fuel pump
^
Fuel pump ECU
^
ECM
^
Wiring connections
Union Bolt
Fuel Pressure Inspection
- Turn ignition OFF.
- Disconnect negative battery terminal.
- Remove union bolt from cold start injector supply line.