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Home >> Mazda >> 2002 >> Millenia S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics - 2.3L >> Self-Diagnostic System >> Drive Modes >> Mode 4: EVAP System Repair Verification
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Mode 4: EVAP System Repair Verification

NOTE: Performing Drive Mode 1 before Drive Mode 4 is not necessary.
  1. Verify all the following conditions are met. All conditions must be within specification before engine is started to initiate the EVAP system test:

    • Engine Coolant Temperature

      14-X°F (-10-X°C). X = engine coolant temperature upper limit as determined by barometric pressure. See Fig 1 .

    • Intake Air Temperature

      50-131°F (-10-55°C).

    • Barometric Pressure

      72.0 kPa or more.

    • Fuel Tank Level

      0.5-2.5 volts.
  2. Verify all accessory loads (A/C, headlights, blower fan and rear window defroster) are off.
  3. Start engine and race at 3500 RPM to warm completely.
  4. Drive vehicle as specified. See Fig 2 .
  5. Stop vehicle and access on board system readiness menu to check drive mode completion status. See ON-BOARD SYSTEM READINESS TESTS ACCESS PROCEDURE  .
    • If completed, RFC changes from "NO" to "YES".
    • If not completed, Turn ignition off, go back to step  1 .
  6. Access diagnostic monitoring test results menu to check monitor results. See DIAGNOSTIC MONITORING TEST RESULTS  . If measurements are not within specification, repair has not been completed.
  7. Verify no DTCs are available.
Fig 1: Engine Coolant Temperature-To-Barometric Gradient
G00157422Courtesy of MAZDA MOTORS CORP.
Fig 2: Drive Mode 4: EVAP Monitor System Repair Verification, Speed Table
G00157423Courtesy of MAZDA MOTORS CORP.
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