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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Engine Control System Self-Diagnostics - 4 CYL (PZEV)) >> Diagnostic Tests >> DTC P0441, DTC P0442, DTC P0446 & DTC P0456 >> EVAP Leak Test

EVAP Leak Test

WARNING: This page is about a different car, the 2003 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
  1. Connect the hand-held tester to the DLC3. See Figure.
  2. Select the item DIAGNOSIS / ENHANCED OBD II / SYSTEM CHECK / EVAP SYS CHECK (or EVAP LEAK TEST) mode on the hand-held tester.
  3. If any changes do not occur within 1 minute after pressing EVAP LEAK TEST, remove the fuel tank cap, then set the fuel tank cap again. Perform EVAP SYS CHECK (or EVAP LEAK TEST).

    Display On Hand-Held Tester

    • Scan tool detect a leak on the EVAP system.
    • Scan tool does not detect a leak on the EVAP system.
  4. If a leak is detected during this leak test, or if DTCs P0441, P0442 and P0446 were output simultaneously, conduct a leak test again after repair. If no leak is found at this time, the EVAP system is recovered to normal.
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