Testing For Fuel System Leaks
TESTING THE FUEL SYSTEM FOR LEAKSNOTICE: Check that there are no fuel leaks after performing maintenance anywhere on the fuel system.
- Remove the fuse cover on the instrument panel.
DLC3 Is Located Inside Of The Fuse Panel:
- Connect the TOYOTA hand-held tester to the DLC3.
- Turn the ignition switch ON and TOYOTA hand-held tester main switch ON.
NOTICE: DO NOT start the engine.
- Select the active test mode on the TOYOTA hand-held tester.
- Please refer to the TOYOTA hand - held tester operator's manual for further details.
- If you have no TOYOTA hand-held tester, connect the positive (+) and negative (-) leads from the battery to the fuel pump connector.
- Pinch the fuel return hose.
- The pressure in the high pressure line will rise to approximately 392 kPa (4 kgf/cm2; 57 psi).
- In this state, check to see that there are no leaks from any part of the fuel system.
NOTICE: Always pinch the hose. Avoid bending as it may cause the hose to crack.
- Turn the ignition switch to LOCK.
- Disconnect the TOYOTA hand-held tester from the DLC3.
- Install the fuse cover on the instrument panel.