Leak Detection Pump -V144-, Testing For Internal Leaks

If vehicle is not equipped with leak detection monitoring, proceed to EVAP SYSTEM, TESTING .

-- Clamp off LDP outlet (EVAP side) using Hose Clamps Up to 25 mm Dia. :VAS3094 or equivalent.

CAUTION:

Clamp only soft rubber lines when isolating a leak. To avoid risk of damage, never clamp hard plastic lines!

-- Repeat leak test using Vehicle Diagnostic Tester and "Basic Setting" mode.

Vehicle Diagnostic Tester should immediately indicate "System OK".

-- Repeat test several times to verify result.

If test continues to indicate "System OK", remove clamp and proceed to EVAP SYSTEM, TESTING .

If Vehicle Diagnostic Tester indicates "System not OK" :

-- Replace LDP and repeat test.

If Vehicle Diagnostic Tester indicates "System OK" after LDP is replaced and test result is verified:

-- Perform quality check and return vehicle to customer.